diff options
98 files changed, 1084 insertions, 1215 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index f049a1ca186f..589f2da5d545 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -282,11 +282,11 @@ tcp_max_ssthresh - INTEGER Default: 0 (off) tcp_max_syn_backlog - INTEGER - Maximal number of remembered connection requests, which are - still did not receive an acknowledgment from connecting client. - Default value is 1024 for systems with more than 128Mb of memory, - and 128 for low memory machines. If server suffers of overload, - try to increase this number. + Maximal number of remembered connection requests, which have not + received an acknowledgment from connecting client. + The minimal value is 128 for low memory machines, and it will + increase in proportion to the memory of machine. + If server suffers from overload, try increasing this number. tcp_max_tw_buckets - INTEGER Maximal number of timewait sockets held by system simultaneously. diff --git a/MAINTAINERS b/MAINTAINERS index 447560284996..b4f18024f4e7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1054,35 +1054,18 @@ ARM/SAMSUNG ARM ARCHITECTURES M: Ben Dooks <ben-linux@fluff.org> M: Kukjin Kim <kgene.kim@samsung.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) W: http://www.fluff.org/ben/linux/ S: Maintained F: arch/arm/plat-samsung/ F: arch/arm/plat-s3c24xx/ F: arch/arm/plat-s5p/ +F: arch/arm/mach-s3c24*/ +F: arch/arm/mach-s3c64xx/ F: drivers/*/*s3c2410* F: drivers/*/*/*s3c2410* - -ARM/S3C2410 ARM ARCHITECTURE -M: Ben Dooks <ben-linux@fluff.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.fluff.org/ben/linux/ -S: Maintained -F: arch/arm/mach-s3c2410/ - -ARM/S3C244x ARM ARCHITECTURE -M: Ben Dooks <ben-linux@fluff.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.fluff.org/ben/linux/ -S: Maintained -F: arch/arm/mach-s3c2440/ -F: arch/arm/mach-s3c2443/ - -ARM/S3C64xx ARM ARCHITECTURE -M: Ben Dooks <ben-linux@fluff.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.fluff.org/ben/linux/ -S: Maintained -F: arch/arm/mach-s3c64xx/ +F: drivers/spi/spi-s3c* +F: sound/soc/samsung/* ARM/S5P EXYNOS ARM ARCHITECTURES M: Kukjin Kim <kgene.kim@samsung.com> diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig index a7e777581378..945a34f2a34d 100644 --- a/arch/arm/configs/omap1_defconfig +++ b/arch/arm/configs/omap1_defconfig @@ -48,12 +48,7 @@ CONFIG_MACH_SX1=y CONFIG_MACH_NOKIA770=y CONFIG_MACH_AMS_DELTA=y CONFIG_MACH_OMAP_GENERIC=y -CONFIG_OMAP_ARM_216MHZ=y -CONFIG_OMAP_ARM_195MHZ=y -CONFIG_OMAP_ARM_192MHZ=y CONFIG_OMAP_ARM_182MHZ=y -CONFIG_OMAP_ARM_168MHZ=y -# CONFIG_OMAP_ARM_60MHZ is not set # CONFIG_ARM_THUMB is not set CONFIG_PCCARD=y CONFIG_OMAP_CF=y diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index 66591fa53e05..ad930688358c 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -83,7 +83,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index b84a9f642f59..0d20677fbef0 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -195,9 +195,9 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), - CLKDEV_CON_DEV_ID("t3_clk", "atmel_tcb.1", &tc3_clk), - CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk), - CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk), + CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk), + CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk), + CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk), /* more usart lookup table for DT entries */ CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck), diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index 25e3464fb07f..629fa9774972 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -84,7 +84,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index ae78f4d03b73..a178b58b0b9c 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -87,7 +87,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index ad017eb1f8df..d5fbac9ff4fa 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -92,7 +92,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#ifdef CONFIG_USB_GADGET_AT91 +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/arch/arm/mach-at91/include/mach/system_rev.h b/arch/arm/mach-at91/include/mach/system_rev.h index 8f4866045b41..ec164a4124c9 100644 --- a/arch/arm/mach-at91/include/mach/system_rev.h +++ b/arch/arm/mach-at91/include/mach/system_rev.h @@ -19,7 +19,7 @@ #define BOARD_HAVE_NAND_16BIT (1 << 31) static inline int board_have_nand_16bit(void) { - return system_rev & BOARD_HAVE_NAND_16BIT; + return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0; } #endif /* __ARCH_SYSTEM_REV_H__ */ diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 1d7d24995226..6659a90dbcad 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -753,7 +753,7 @@ static struct snd_platform_data da850_evm_snd_data = { .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction), .tdm_slots = 2, .serial_dir = da850_iis_serializer_direction, - .asp_chan_q = EVENTQ_1, + .asp_chan_q = EVENTQ_0, .version = MCASP_VERSION_2, .txnumevt = 1, .rxnumevt = 1, diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 1918ae711428..46e1f4173b97 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -107,7 +107,7 @@ static struct mtd_partition davinci_nand_partitions[] = { /* UBL (a few copies) plus U-Boot */ .name = "bootloader", .offset = 0, - .size = 28 * NAND_BLOCK_SIZE, + .size = 30 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { /* U-Boot environment */ diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index e574d7f837a8..635bf7740157 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -564,7 +564,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) int val; u32 value; - if (!vpif_vsclkdis_reg || !cpld_client) + if (!vpif_vidclkctl_reg || !cpld_client) return -ENXIO; val = i2c_smbus_read_byte(cpld_client); @@ -572,7 +572,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) return val; spin_lock_irqsave(&vpif_reg_lock, flags); - value = __raw_readl(vpif_vsclkdis_reg); + value = __raw_readl(vpif_vidclkctl_reg); if (mux_mode) { val &= VPIF_INPUT_TWO_CHANNEL; value |= VIDCH1CLK; @@ -580,7 +580,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) val |= VPIF_INPUT_ONE_CHANNEL; value &= ~VIDCH1CLK; } - __raw_writel(value, vpif_vsclkdis_reg); + __raw_writel(value, vpif_vidclkctl_reg); spin_unlock_irqrestore(&vpif_reg_lock, flags); err = i2c_smbus_write_byte(cpld_client, val); diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 0b68ed534f8e..af27c130595f 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -161,7 +161,6 @@ static struct clk dsp_clk = { .name = "dsp", .parent = &pll1_sysclk1, .lpsc = DM646X_LPSC_C64X_CPU, - .flags = PSC_DSP, .usecount = 1, /* REVISIT how to disable? */ }; diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h index fa59c097223d..8bc3fc256171 100644 --- a/arch/arm/mach-davinci/include/mach/psc.h +++ b/arch/arm/mach-davinci/include/mach/psc.h @@ -233,7 +233,7 @@ #define PTCMD 0x120 #define PTSTAT 0x128 #define PDSTAT 0x200 -#define PDCTL1 0x304 +#define PDCTL 0x300 #define MDSTAT 0x800 #define MDCTL 0xA00 @@ -244,7 +244,10 @@ #define PSC_STATE_ENABLE 3 #define MDSTAT_STATE_MASK 0x3f +#define PDSTAT_STATE_MASK 0x1f #define MDCTL_FORCE BIT(31) +#define PDCTL_NEXT BIT(1) +#define PDCTL_EPCGOOD BIT(8) #ifndef __ASSEMBLER__ diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index 1fb6bdff38c1..d7e210f4b55c 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c @@ -52,7 +52,7 @@ int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id) void davinci_psc_config(unsigned int domain, unsigned int ctlr, unsigned int id, bool enable, u32 flags) { - u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl; + u32 epcpr, ptcmd, ptstat, pdstat, pdctl, mdstat, mdctl; void __iomem *psc_base; struct davinci_soc_info *soc_info = &davinci_soc_info; u32 next_state = PSC_STATE_ENABLE; @@ -79,11 +79,11 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr, mdctl |= MDCTL_FORCE; __raw_writel(mdctl, psc_base + MDCTL + 4 * id); - pdstat = __raw_readl(psc_base + PDSTAT); - if ((pdstat & 0x00000001) == 0) { - pdctl1 = __raw_readl(psc_base + PDCTL1); - pdctl1 |= 0x1; - __raw_writel(pdctl1, psc_base + PDCTL1); + pdstat = __raw_readl(psc_base + PDSTAT + 4 * domain); + if ((pdstat & PDSTAT_STATE_MASK) == 0) { + pdctl = __raw_readl(psc_base + PDCTL + 4 * domain); + pdctl |= PDCTL_NEXT; + __raw_writel(pdctl, psc_base + PDCTL + 4 * domain); ptcmd = 1 << domain; __raw_writel(ptcmd, psc_base + PTCMD); @@ -92,9 +92,9 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr, epcpr = __raw_readl(psc_base + EPCPR); } while ((((epcpr >> domain) & 1) == 0)); - pdctl1 = __raw_readl(psc_base + PDCTL1); - pdctl1 |= 0x100; - __raw_writel(pdctl1, psc_base + PDCTL1); + pdctl = __raw_readl(psc_base + PDCTL + 4 * domain); + pdctl |= PDCTL_EPCGOOD; + __raw_writel(pdctl, psc_base + PDCTL + 4 * domain); } else { ptcmd = 1 << domain; __raw_writel(ptcmd, psc_base + PTCMD); diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 9cd860a27af5..8deb012189b5 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -37,14 +37,15 @@ static void __init imx6q_map_io(void) imx6q_clock_map_io(); } -static void __init imx6q_gpio_add_irq_domain(struct device_node *np, +static int __init imx6q_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 7; /* imx6q gets 7 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx6q_irq_match[] __initconst = { diff --git a/arch/arm/mach-mx5/imx51-dt.c b/arch/arm/mach-mx5/imx51-dt.c index ccc61585659b..596edd967dbf 100644 --- a/arch/arm/mach-mx5/imx51-dt.c +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -44,20 +44,22 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { { /* sentinel */ } }; -static void __init imx51_tzic_add_irq_domain(struct device_node *np, +static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { irq_domain_add_simple(np, 0); + return 0; } -static void __init imx51_gpio_add_irq_domain(struct device_node *np, +static int __init imx51_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 4; /* imx51 gets 4 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx51_irq_match[] __initconst = { diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c index ccaa0b81b768..85bfd5ff21b0 100644 --- a/arch/arm/mach-mx5/imx53-dt.c +++ b/arch/arm/mach-mx5/imx53-dt.c @@ -48,20 +48,22 @@ static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { { /* sentinel */ } }; -static void __init imx53_tzic_add_irq_domain(struct device_node *np, +static int __init imx53_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { irq_domain_add_simple(np, 0); + return 0; } -static void __init imx53_gpio_add_irq_domain(struct device_node *np, +static int __init imx53_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 7; /* imx53 gets 7 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx53_irq_match[] __initconst = { diff --git a/arch/arm/mach-mxs/include/mach/mx28.h b/arch/arm/mach-mxs/include/mach/mx28.h index 75d86118b76a..30c7990f3c01 100644 --- a/arch/arm/mach-mxs/include/mach/mx28.h +++ b/arch/arm/mach-mxs/include/mach/mx28.h @@ -104,8 +104,8 @@ #define MX28_INT_CAN1 9 #define MX28_INT_LRADC_TOUCH 10 #define MX28_INT_HSADC 13 -#define MX28_INT_IRADC_THRESH0 14 -#define MX28_INT_IRADC_THRESH1 15 +#define MX28_INT_LRADC_THRESH0 14 +#define MX28_INT_LRADC_THRESH1 15 #define MX28_INT_LRADC_CH0 16 #define MX28_INT_LRADC_CH1 17 #define MX28_INT_LRADC_CH2 18 diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h index 0d2d2b470998..bde5f6634747 100644 --- a/arch/arm/mach-mxs/include/mach/mxs.h +++ b/arch/arm/mach-mxs/include/mach/mxs.h @@ -30,6 +30,7 @@ */ #define cpu_is_mx23() ( \ machine_is_mx23evk() || \ + machine_is_stmp378x() || \ 0) #define cpu_is_mx28() ( \ machine_is_mx28evk() || \ diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c index 3b1681e4f49a..6b00577b7025 100644 --- a/arch/arm/mach-mxs/mach-m28evk.c +++ b/arch/arm/mach-mxs/mach-m28evk.c @@ -361,6 +361,6 @@ static struct sys_timer m28evk_timer = { MACHINE_START(M28EVK, "DENX M28 EVK") .map_io = mx28_map_io, .init_irq = mx28_init_irq, - .init_machine = m28evk_init, .timer = &m28evk_timer, + .init_machine = m28evk_init, MACHINE_END diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c index 177e53123a02..6834dea38c04 100644 --- a/arch/arm/mach-mxs/mach-stmp378x_devb.c +++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c @@ -115,6 +115,6 @@ static struct sys_timer stmp378x_dvb_timer = { MACHINE_START(STMP378X, "STMP378X") .map_io = mx23_map_io, .init_irq = mx23_init_irq, - .init_machine = stmp378x_dvb_init, .timer = &stmp378x_dvb_timer, + .init_machine = stmp378x_dvb_init, MACHINE_END diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c index 0fcff47009cf..9a7b08b2a925 100644 --- a/arch/arm/mach-mxs/module-tx28.c +++ b/arch/arm/mach-mxs/module-tx28.c @@ -66,11 +66,11 @@ static const iomux_cfg_t tx28_fec1_pads[] __initconst = { MX28_PAD_ENET0_CRS__ENET1_RX_EN, }; -static struct fec_platform_data tx28_fec0_data = { +static const struct fec_platform_data tx28_fec0_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; -static struct fec_platform_data tx28_fec1_data = { +static const struct fec_platform_data tx28_fec1_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 1297bb58869c..9ff90a744a21 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -16,6 +16,8 @@ #include <linux/kernel.h> #include <linux/clk.h> +#include <linux/cpufreq.h> +#include <linux/delay.h> #include <linux/io.h> #include <asm/mach-types.h> /* for machine_is_* */ @@ -927,16 +929,22 @@ int __init omap1_clk_init(void) void __init omap1_clk_late_init(void) { - if (ck_dpll1.rate >= OMAP1_DPLL1_SANE_VALUE) + unsigned long rate = ck_dpll1.rate; + + if (rate >= OMAP1_DPLL1_SANE_VALUE) return; + /* System booting at unusable rate, force reprogramming of DPLL1 */ + ck_dpll1_p->rate = 0; + /* Find the highest supported frequency and enable it */ if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) { pr_err("System frequencies not set, using default. Check your config.\n"); omap_writew(0x2290, DPLL_CTL); - omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL); + omap_writew(cpu_is_omap7xx() ? 0x2005 : 0x0005, ARM_CKCTL); ck_dpll1.rate = OMAP1_DPLL1_SANE_VALUE; } propagate_rate(&ck_dpll1); omap1_show_rates(); + loops_per_jiffy = cpufreq_scale(loops_per_jiffy, rate, ck_dpll1.rate); } diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c index cb53160f6c5d..26ebb57719df 100644 --- a/arch/arm/mach-prima2/pm.c +++ b/arch/arm/mach-prima2/pm.c @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/suspend.h> #include <linux/slab.h> +#include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c index ef555c041962..a12b689a8702 100644 --- a/arch/arm/mach-prima2/prima2.c +++ b/arch/arm/mach-prima2/prima2.c @@ -8,6 +8,7 @@ #include <linux/init.h> #include <linux/kernel.h> +#include <asm/sizes.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <linux/of.h> diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c index 5e6b42089eb4..3341fd118723 100644 --- a/arch/arm/mach-s3c64xx/dev-spi.c +++ b/arch/arm/mach-s3c64xx/dev-spi.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/string.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/gpio.h> diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c index 7a3bc32df425..51c00f2453c6 100644 --- a/arch/arm/mach-s3c64xx/s3c6400.c +++ b/arch/arm/mach-s3c64xx/s3c6400.c @@ -70,7 +70,7 @@ void __init s3c6400_init_irq(void) s3c64xx_init_irq(~0 & ~(0xf << 5), ~0); } -struct sysdev_class s3c6400_sysclass = { +static struct sysdev_class s3c6400_sysclass = { .name = "s3c6400-core", }; diff --git a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c index 83d2afb79e9f..2cf80026c58d 100644 --- a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c +++ b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c @@ -20,7 +20,7 @@ #include <plat/fb.h> #include <plat/gpio-cfg.h> -extern void s3c64xx_fb_gpio_setup_24bpp(void) +void s3c64xx_fb_gpio_setup_24bpp(void) { s3c_gpio_cfgrange_nopull(S3C64XX_GPI(0), 16, S3C_GPIO_SFN(2)); s3c_gpio_cfgrange_nopull(S3C64XX_GPJ(0), 12, S3C_GPIO_SFN(2)); diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot index 5a616f6e5612..f7951aa04562 100644 --- a/arch/arm/mach-sa1100/Makefile.boot +++ b/arch/arm/mach-sa1100/Makefile.boot @@ -1,5 +1,5 @@ -ifeq ($(CONFIG_ARCH_SA1100),y) - zreladdr-$(CONFIG_SA1111) += 0xc0208000 +ifeq ($(CONFIG_SA1111),y) + zreladdr-y += 0xc0208000 else zreladdr-y += 0xc0008000 endif diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 43f984e93970..303192fc9260 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -350,10 +350,12 @@ #define __NR_clock_adjtime 342 #define __NR_syncfs 343 #define __NR_setns 344 +#define __NR_process_vm_readv 345 +#define __NR_process_vm_writev 346 #ifdef __KERNEL__ -#define NR_syscalls 345 +#define NR_syscalls 347 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index c468f2edaa85..ce827b376110 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -365,4 +365,6 @@ ENTRY(sys_call_table) .long sys_clock_adjtime .long sys_syncfs .long sys_setns + .long sys_process_vm_readv /* 345 */ + .long sys_process_vm_writev diff --git a/drivers/base/core.c b/drivers/base/core.c index d8b3d89db043..919daa7cd5b1 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1743,8 +1743,10 @@ void device_shutdown(void) */ list_del_init(&dev->kobj.entry); spin_unlock(&devices_kset->list_lock); - /* Disable all device's runtime power management */ - pm_runtime_disable(dev); + + /* Don't allow any more runtime suspends */ + pm_runtime_get_noresume(dev); + pm_runtime_barrier(dev); if (dev->bus && dev->bus->shutdown) { dev_dbg(dev, "shutdown\n"); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8359dc777041..60ff1b63b568 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2026,8 +2026,13 @@ i915_wait_request(struct intel_ring_buffer *ring, * to handle this, the waiter on a request often wants an associated * buffer to have made it to the inactive list, and we would need * a separate wait queue to handle that. + * + * To avoid a recursion with the ilk VT-d workaround (that calls + * gpu_idle when unbinding objects with interruptible==false) don't + * retire requests in that case (because it might call unbind if the + * active list holds the last reference to the object). */ - if (ret == 0) + if (ret == 0 && dev_priv->mm.interruptible) i915_gem_retire_requests_ring(ring); return ret; diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 06e413e6a920..4b27efa4405b 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -233,13 +233,12 @@ u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_TRAVIS: case ENCODER_OBJECT_ID_NUTMEG: - return true; + return radeon_encoder->encoder_id; default: - return false; + return ENCODER_OBJECT_ID_NONE; } } - - return false; + return ENCODER_OBJECT_ID_NONE; } void radeon_panel_mode_fixup(struct drm_encoder *encoder, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index 3f6343502d1f..5ff561d4e0b4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -140,7 +140,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data, goto out_clips; } - clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); + clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); if (clips == NULL) { DRM_ERROR("Failed to allocate clip rect list.\n"); ret = -ENOMEM; @@ -232,7 +232,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data, goto out_clips; } - clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); + clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); if (clips == NULL) { DRM_ERROR("Failed to allocate clip rect list.\n"); ret = -ENOMEM; diff --git a/drivers/net/ethernet/pasemi/Makefile b/drivers/net/ethernet/pasemi/Makefile index 05db5434bafc..90497ffb1ac3 100644 --- a/drivers/net/ethernet/pasemi/Makefile +++ b/drivers/net/ethernet/pasemi/Makefile @@ -2,4 +2,5 @@ # Makefile for the A Semi network device drivers. # -obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o pasemi_mac_ethtool.o +obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o +pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 6f06aa10f0d7..67bf07819992 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1183,11 +1183,13 @@ static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr) return value; } -static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) +static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp) { - RTL_W16(IntrMask, 0x0000); + void __iomem *ioaddr = tp->mmio_addr; - RTL_W16(IntrStatus, 0xffff); + RTL_W16(IntrMask, 0x0000); + RTL_W16(IntrStatus, tp->intr_event); + RTL_R8(ChipCmd); } static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp) @@ -3933,8 +3935,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp) break; udelay(100); } - - rtl8169_init_ring_indexes(tp); } static int __devinit @@ -4339,7 +4339,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp) void __iomem *ioaddr = tp->mmio_addr; /* Disable interrupts */ - rtl8169_irq_mask_and_ack(ioaddr); + rtl8169_irq_mask_and_ack(tp); rtl_rx_close(tp); @@ -4885,8 +4885,7 @@ static void rtl_hw_start_8168(struct net_device *dev) RTL_W16(IntrMitigate, 0x5151); /* Work around for RxFIFO overflow. */ - if (tp->mac_version == RTL_GIGA_MAC_VER_11 || - tp->mac_version == RTL_GIGA_MAC_VER_22) { + if (tp->mac_version == RTL_GIGA_MAC_VER_11) { tp->intr_event |= RxFIFOOver | PCSTimeout; tp->intr_event &= ~RxOverflow; } @@ -5076,6 +5075,11 @@ static void rtl_hw_start_8101(struct net_device *dev) void __iomem *ioaddr = tp->mmio_addr; struct pci_dev *pdev = tp->pci_dev; + if (tp->mac_version >= RTL_GIGA_MAC_VER_30) { + tp->intr_event &= ~RxFIFOOver; + tp->napi_event &= ~RxFIFOOver; + } + if (tp->mac_version == RTL_GIGA_MAC_VER_13 || tp->mac_version == RTL_GIGA_MAC_VER_16) { int cap = pci_pcie_cap(pdev); @@ -5342,7 +5346,7 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev) /* Wait for any pending NAPI task to complete */ napi_disable(&tp->napi); - rtl8169_irq_mask_and_ack(ioaddr); + rtl8169_irq_mask_and_ack(tp); tp->intr_mask = 0xffff; RTL_W16(IntrMask, tp->intr_event); @@ -5389,14 +5393,16 @@ static void rtl8169_reset_task(struct work_struct *work) if (!netif_running(dev)) goto out_unlock; + rtl8169_hw_reset(tp); + rtl8169_wait_for_quiescence(dev); for (i = 0; i < NUM_RX_DESC; i++) rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz); rtl8169_tx_clear(tp); + rtl8169_init_ring_indexes(tp); - rtl8169_hw_reset(tp); rtl_hw_start(dev); netif_wake_queue(dev); rtl8169_check_link_status(dev, tp, tp->mmio_addr); @@ -5407,11 +5413,6 @@ out_unlock: static void rtl8169_tx_timeout(struct net_device *dev) { - struct rtl8169_private *tp = netdev_priv(dev); - - rtl8169_hw_reset(tp); - - /* Let's wait a bit while any (async) irq lands on */ rtl8169_schedule_work(dev, rtl8169_reset_task); } @@ -5804,6 +5805,10 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) */ status = RTL_R16(IntrStatus); while (status && status != 0xffff) { + status &= tp->intr_event; + if (!status) + break; + handled = 1; /* Handle all of the error cases first. These will reset @@ -5818,27 +5823,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) switch (tp->mac_version) { /* Work around for rx fifo overflow */ case RTL_GIGA_MAC_VER_11: - case RTL_GIGA_MAC_VER_22: - case RTL_GIGA_MAC_VER_26: netif_stop_queue(dev); rtl8169_tx_timeout(dev); goto done; - /* Testers needed. */ - case RTL_GIGA_MAC_VER_17: - case RTL_GIGA_MAC_VER_19: - case RTL_GIGA_MAC_VER_20: - case RTL_GIGA_MAC_VER_21: - case RTL_GIGA_MAC_VER_23: - case RTL_GIGA_MAC_VER_24: - case RTL_GIGA_MAC_VER_27: - case RTL_GIGA_MAC_VER_28: - case RTL_GIGA_MAC_VER_31: - /* Experimental science. Pktgen proof. */ - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_25: - if (status == RxFIFOOver) - goto done; - break; default: break; } diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index e12b48c2cff6..dd008b0e6417 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -191,6 +191,7 @@ static struct iwl_base_params iwl1000_base_params = { .chain_noise_scale = 1000, .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 128, + .wd_disable = true, }; static struct iwl_ht_params iwl1000_ht_params = { .ht_greenfield_support = true, diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index c511c98a89a8..f55fb2d1af52 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -364,6 +364,7 @@ static struct iwl_base_params iwl5000_base_params = { .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .no_idle_support = true, + .wd_disable = true, }; static struct iwl_ht_params iwl5000_ht_params = { .ht_greenfield_support = true, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 58a381c01c89..a7a6def40d05 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -528,6 +528,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) return 0; } +void iwlagn_config_ht40(struct ieee80211_conf *conf, + struct iwl_rxon_context *ctx) +{ + if (conf_is_ht40_minus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ctx->ht.is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ctx->ht.is_40mhz = true; + } else { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ctx->ht.is_40mhz = false; + } +} + int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) { struct iwl_priv *priv = hw->priv; @@ -586,19 +604,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) ctx->ht.enabled = conf_is_ht(conf); if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } + /* if HT40 is used, it should not change + * after associated except channel switch */ + if (iwl_is_associated_ctx(ctx) && + !ctx->ht.is_40mhz) + iwlagn_config_ht40(conf, ctx); } else ctx->ht.is_40mhz = false; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index ed6283623932..4b2aa1da0953 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -1268,9 +1268,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv, switch (keyconf->cipher) { case WLAN_CIPHER_SUITE_TKIP: - keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; - keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - if (sta) addr = sta->addr; else /* station mode case only */ @@ -1283,8 +1280,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv, seq.tkip.iv32, p1k, CMD_SYNC); break; case WLAN_CIPHER_SUITE_CCMP: - keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - /* fall through */ case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: ret = iwlagn_send_sta_key(priv, keyconf, sta_id, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index ccba69b7f8a7..bacc06c95e7a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2316,6 +2316,17 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -EOPNOTSUPP; } + switch (key->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; + /* fall through */ + case WLAN_CIPHER_SUITE_CCMP: + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; + break; + default: + break; + } + /* * We could program these keys into the hardware as well, but we * don't expect much multicast traffic in IBSS and having keys @@ -2599,21 +2610,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, /* Configure HT40 channels */ ctx->ht.enabled = conf_is_ht(conf); - if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } - } else + if (ctx->ht.enabled) + iwlagn_config_ht40(conf, ctx); + else ctx->ht.is_40mhz = false; if ((le16_to_cpu(ctx->staging.channel) != ch)) @@ -3499,9 +3498,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); -module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); +module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO); MODULE_PARM_DESC(wd_disable, - "Disable stuck queue watchdog timer (default: 0 [enabled])"); + "Disable stuck queue watchdog timer 0=system default, " + "1=disable, 2=enable (default: 0)"); /* * set bt_coex_active to true, uCode will do kill/defer diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index 5b936ec1a541..3856abaea507 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -86,6 +86,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, u32 changes); +void iwlagn_config_ht40(struct ieee80211_conf *conf, + struct iwl_rxon_context *ctx); /* uCode */ int iwlagn_rx_calib_result(struct iwl_priv *priv, diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 001fdf140abb..fcf54160e4ed 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1810,11 +1810,23 @@ void iwl_setup_watchdog(struct iwl_priv *priv) { unsigned int timeout = priv->cfg->base_params->wd_timeout; - if (timeout && !iwlagn_mod_params.wd_disable) - mod_timer(&priv->watchdog, - jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout))); - else - del_timer(&priv->watchdog); + if (!iwlagn_mod_params.wd_disable) { + /* use system default */ + if (timeout && !priv->cfg->base_params->wd_disable) + mod_timer(&priv->watchdog, + jiffies + + msecs_to_jiffies(IWL_WD_TICK(timeout))); + else + del_timer(&priv->watchdog); + } else { + /* module parameter overwrite default configuration */ + if (timeout && iwlagn_mod_params.wd_disable == 2) + mod_timer(&priv->watchdog, + jiffies + + msecs_to_jiffies(IWL_WD_TICK(timeout))); + else + del_timer(&priv->watchdog); + } } /** diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 137da3380704..f2fc288f3dd3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -113,6 +113,7 @@ struct iwl_lib_ops { * @shadow_reg_enable: HW shadhow register bit * @no_idle_support: do not support idle mode * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up + * wd_disable: disable watchdog timer */ struct iwl_base_params { int eeprom_size; @@ -134,6 +135,7 @@ struct iwl_base_params { const bool shadow_reg_enable; const bool no_idle_support; const bool hd_v2; + const bool wd_disable; }; /* * @advanced_bt_coexist: support advanced bt coexist diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index 1f7a93c67c45..14eaf37ce3b1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -120,7 +120,7 @@ extern struct iwl_mod_params iwlagn_mod_params; * @restart_fw: restart firmware, default = 1 * @plcp_check: enable plcp health check, default = true * @ack_check: disable ack health check, default = false - * @wd_disable: enable stuck queue check, default = false + * @wd_disable: enable stuck queue check, default = 0 * @bt_coex_active: enable bt coex, default = true * @led_mode: system default, default = 0 * @no_sleep_autoadjust: disable autoadjust, default = true @@ -141,7 +141,7 @@ struct iwl_mod_params { int restart_fw; bool plcp_check; bool ack_check; - bool wd_disable; + int wd_disable; bool bt_coex_active; int led_mode; bool no_sleep_autoadjust; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 1ae270eed51a..15e332d08c8d 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1668,7 +1668,7 @@ static int __init netback_init(void) "netback/%u", group); if (IS_ERR(netbk->task)) { - printk(KERN_ALERT "kthread_run() fails at netback\n"); + printk(KERN_ALERT "kthread_create() fails at netback\n"); del_timer(&netbk->net_timer); rc = PTR_ERR(netbk->task); goto failed_init; diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 19c0115092dd..0f0cfa3bca30 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -26,11 +26,6 @@ #include <linux/string.h> #include <linux/slab.h> -/* For archs that don't support NO_IRQ (such as x86), provide a dummy value */ -#ifndef NO_IRQ -#define NO_IRQ 0 -#endif - /** * irq_of_parse_and_map - Parse and map an interrupt into linux virq space * @device: Device node of the device whose interrupt is to be mapped @@ -44,7 +39,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index) struct of_irq oirq; if (of_irq_map_one(dev, index, &oirq)) - return NO_IRQ; + return 0; return irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size); @@ -345,7 +340,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) /* Only dereference the resource if both the * resource and the irq are valid. */ - if (r && irq != NO_IRQ) { + if (r && irq) { r->start = r->end = irq; r->flags = IORESOURCE_IRQ; r->name = dev->full_name; @@ -363,7 +358,7 @@ int of_irq_count(struct device_node *dev) { int nr = 0; - while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ) + while (of_irq_to_resource(dev, nr, NULL)) nr++; return nr; @@ -383,7 +378,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int i; for (i = 0; i < nr_irqs; i++, res++) - if (of_irq_to_resource(dev, i, res) == NO_IRQ) + if (!of_irq_to_resource(dev, i, res)) break; return i; diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 13ef8c37471d..dcdc1f4a4624 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -121,6 +121,7 @@ struct toshiba_acpi_dev { int illumination_supported:1; int video_supported:1; int fan_supported:1; + int system_event_supported:1; struct mutex mutex; }; @@ -724,7 +725,7 @@ static int keys_proc_show(struct seq_file *m, void *v) u32 hci_result; u32 value; - if (!dev->key_event_valid) { + if (!dev->key_event_valid && dev->system_event_supported) { hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result); if (hci_result == HCI_SUCCESS) { dev->key_event_valid = 1; @@ -964,6 +965,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev) /* enable event fifo */ hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result); + if (hci_result == HCI_SUCCESS) + dev->system_event_supported = 1; props.type = BACKLIGHT_PLATFORM; props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; @@ -1032,12 +1035,15 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) { struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); u32 hci_result, value; + int retries = 3; - if (event != 0x80) + if (!dev->system_event_supported || event != 0x80) return; + do { hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result); - if (hci_result == HCI_SUCCESS) { + switch (hci_result) { + case HCI_SUCCESS: if (value == 0x100) continue; /* act on key press; ignore key release */ @@ -1049,14 +1055,19 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) pr_info("Unknown key %x\n", value); } - } else if (hci_result == HCI_NOT_SUPPORTED) { + break; + case HCI_NOT_SUPPORTED: /* This is a workaround for an unresolved issue on * some machines where system events sporadically * become disabled. */ hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result); pr_notice("Re-enabled hotkeys\n"); + /* fall through */ + default: + retries--; + break; } - } while (hci_result != HCI_EMPTY); + } while (retries && hci_result != HCI_EMPTY); } diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 0fd96c10271d..8599545cdf9e 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -614,13 +614,12 @@ int iscsit_add_reject( hdr = (struct iscsi_reject *) cmd->pdu; hdr->reason = reason; - cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL); + cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL); if (!cmd->buf_ptr) { pr_err("Unable to allocate memory for cmd->buf_ptr\n"); iscsit_release_cmd(cmd); return -1; } - memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN); spin_lock_bh(&conn->cmd_lock); list_add_tail(&cmd->i_list, &conn->conn_cmd_list); @@ -661,13 +660,12 @@ int iscsit_add_reject_from_cmd( hdr = (struct iscsi_reject *) cmd->pdu; hdr->reason = reason; - cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL); + cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL); if (!cmd->buf_ptr) { pr_err("Unable to allocate memory for cmd->buf_ptr\n"); iscsit_release_cmd(cmd); return -1; } - memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN); if (add_to_conn) { spin_lock_bh(&conn->cmd_lock); @@ -1017,11 +1015,6 @@ done: " non-existent or non-exported iSCSI LUN:" " 0x%016Lx\n", get_unaligned_le64(&hdr->lun)); } - if (ret == PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES) - return iscsit_add_reject_from_cmd( - ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); - send_check_condition = 1; goto attach_cmd; } @@ -1044,6 +1037,8 @@ done: */ send_check_condition = 1; } else { + cmd->data_length = cmd->se_cmd.data_length; + if (iscsit_decide_list_to_build(cmd, payload_length) < 0) return iscsit_add_reject_from_cmd( ISCSI_REASON_BOOKMARK_NO_RESOURCES, @@ -1123,7 +1118,7 @@ attach_cmd: * the backend memory allocation. */ ret = transport_generic_new_cmd(&cmd->se_cmd); - if ((ret < 0) || (cmd->se_cmd.se_cmd_flags & SCF_SE_CMD_FAILED)) { + if (ret < 0) { immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION; dump_immediate_data = 1; goto after_immediate_data; @@ -1341,7 +1336,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) spin_lock_irqsave(&se_cmd->t_state_lock, flags); if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) || - (se_cmd->se_cmd_flags & SCF_SE_CMD_FAILED)) + (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION)) dump_unsolicited_data = 1; spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); @@ -2513,10 +2508,10 @@ static int iscsit_send_data_in( if (hdr->flags & ISCSI_FLAG_DATA_STATUS) { if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) { hdr->flags |= ISCSI_FLAG_DATA_OVERFLOW; - hdr->residual_count = cpu_to_be32(cmd->residual_count); + hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count); } else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) { hdr->flags |= ISCSI_FLAG_DATA_UNDERFLOW; - hdr->residual_count = cpu_to_be32(cmd->residual_count); + hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count); } } hton24(hdr->dlength, datain.length); @@ -3018,10 +3013,10 @@ static int iscsit_send_status( hdr->flags |= ISCSI_FLAG_CMD_FINAL; if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) { hdr->flags |= ISCSI_FLAG_CMD_OVERFLOW; - hdr->residual_count = cpu_to_be32(cmd->residual_count); + hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count); } else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) { hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW; - hdr->residual_count = cpu_to_be32(cmd->residual_count); + hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count); } hdr->response = cmd->iscsi_response; hdr->cmd_status = cmd->se_cmd.scsi_status; @@ -3133,6 +3128,7 @@ static int iscsit_send_task_mgt_rsp( hdr = (struct iscsi_tm_rsp *) cmd->pdu; memset(hdr, 0, ISCSI_HDR_LEN); hdr->opcode = ISCSI_OP_SCSI_TMFUNC_RSP; + hdr->flags = ISCSI_FLAG_CMD_FINAL; hdr->response = iscsit_convert_tcm_tmr_rsp(se_tmr); hdr->itt = cpu_to_be32(cmd->init_task_tag); cmd->stat_sn = conn->stat_sn++; diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c index beb39469e7f1..1cd6ce373b83 100644 --- a/drivers/target/iscsi/iscsi_target_auth.c +++ b/drivers/target/iscsi/iscsi_target_auth.c @@ -30,9 +30,11 @@ static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len) { - int j = DIV_ROUND_UP(len, 2); + int j = DIV_ROUND_UP(len, 2), rc; - hex2bin(dst, src, j); + rc = hex2bin(dst, src, j); + if (rc < 0) + pr_debug("CHAP string contains non hex digit symbols\n"); dst[j] = '\0'; return j; diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 3723d90d5ae5..f1a02dad05a0 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -398,7 +398,6 @@ struct iscsi_cmd { u32 pdu_send_order; /* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */ u32 pdu_start; - u32 residual_count; /* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */ u32 seq_send_order; /* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */ @@ -535,7 +534,6 @@ struct iscsi_conn { atomic_t connection_exit; atomic_t connection_recovery; atomic_t connection_reinstatement; - atomic_t connection_wait; atomic_t connection_wait_rcfr; atomic_t sleep_on_conn_wait_comp; atomic_t transport_failed; @@ -643,7 +641,6 @@ struct iscsi_session { atomic_t session_reinstatement; atomic_t session_stop_active; atomic_t sleep_on_sess_wait_comp; - atomic_t transport_wait_cmds; /* connection list */ struct list_head sess_conn_list; struct list_head cr_active_list; diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index c4c68da3e500..101b1beb3bca 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -938,8 +938,7 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo) * handle the SCF_SCSI_RESERVATION_CONFLICT case here as well. */ if (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION) { - if (se_cmd->se_cmd_flags & - SCF_SCSI_RESERVATION_CONFLICT) { + if (se_cmd->scsi_sense_reason == TCM_RESERVATION_CONFLICT) { cmd->i_state = ISTATE_SEND_STATUS; spin_unlock_bh(&cmd->istate_lock); iscsit_add_cmd_to_response_queue(cmd, cmd->conn, diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index daad362a93ce..d734bdec24f9 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -224,7 +224,7 @@ static int iscsi_login_zero_tsih_s1( iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, ISCSI_LOGIN_STATUS_NO_RESOURCES); pr_err("Could not allocate memory for session\n"); - return -1; + return -ENOMEM; } iscsi_login_set_conn_values(sess, conn, pdu->cid); @@ -250,7 +250,8 @@ static int iscsi_login_zero_tsih_s1( pr_err("idr_pre_get() for sess_idr failed\n"); iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, ISCSI_LOGIN_STATUS_NO_RESOURCES); - return -1; + kfree(sess); + return -ENOMEM; } spin_lock(&sess_idr_lock); idr_get_new(&sess_idr, NULL, &sess->session_index); @@ -270,14 +271,16 @@ static int iscsi_login_zero_tsih_s1( ISCSI_LOGIN_STATUS_NO_RESOURCES); pr_err("Unable to allocate memory for" " struct iscsi_sess_ops.\n"); - return -1; + kfree(sess); + return -ENOMEM; } sess->se_sess = transport_init_session(); - if (!sess->se_sess) { + if (IS_ERR(sess->se_sess)) { iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, ISCSI_LOGIN_STATUS_NO_RESOURCES); - return -1; + kfree(sess); + return -ENOMEM; } return 0; diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 426cd4bf6a9a..98936cb7c294 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -981,14 +981,13 @@ struct iscsi_login *iscsi_target_init_negotiation( return NULL; } - login->req = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL); + login->req = kmemdup(login_pdu, ISCSI_HDR_LEN, GFP_KERNEL); if (!login->req) { pr_err("Unable to allocate memory for Login Request.\n"); iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, ISCSI_LOGIN_STATUS_NO_RESOURCES); goto out; } - memcpy(login->req, login_pdu, ISCSI_HDR_LEN); login->req_buf = kzalloc(MAX_KEY_VALUE_PAIRS, GFP_KERNEL); if (!login->req_buf) { diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 3df1c9b8ae6b..81d5832fbbd5 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd( scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr, &tl_cmd->tl_sense_buf[0]); - /* - * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi - */ if (scsi_bidi_cmnd(sc)) - se_cmd->t_tasks_bidi = 1; + se_cmd->se_cmd_flags |= SCF_BIDI; + /* * Locate the struct se_lun pointer and attach it to struct se_cmd */ @@ -148,27 +146,13 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd) * Allocate the necessary tasks to complete the received CDB+data */ ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd); - if (ret == -ENOMEM) { - /* Out of Resources */ - return PYX_TRANSPORT_LU_COMM_FAILURE; - } else if (ret == -EINVAL) { - /* - * Handle case for SAM_STAT_RESERVATION_CONFLICT - */ - if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT) - return PYX_TRANSPORT_RESERVATION_CONFLICT; - /* - * Otherwise, return SAM_STAT_CHECK_CONDITION and return - * sense data. - */ - return PYX_TRANSPORT_USE_SENSE_REASON; - } - + if (ret != 0) + return ret; /* * For BIDI commands, pass in the extra READ buffer * to transport_generic_map_mem_to_cmd() below.. */ - if (se_cmd->t_tasks_bidi) { + if (se_cmd->se_cmd_flags & SCF_BIDI) { struct scsi_data_buffer *sdb = scsi_in(sc); sgl_bidi = sdb->table.sgl; @@ -194,12 +178,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd) } /* Tell the core about our preallocated memory */ - ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc), + return transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc), scsi_sg_count(sc), sgl_bidi, sgl_bidi_count); - if (ret < 0) - return PYX_TRANSPORT_LU_COMM_FAILURE; - - return 0; } /* @@ -1360,17 +1340,16 @@ void tcm_loop_drop_scsi_hba( { struct tcm_loop_hba *tl_hba = container_of(wwn, struct tcm_loop_hba, tl_hba_wwn); - int host_no = tl_hba->sh->host_no; + + pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target" + " SAS Address: %s at Linux/SCSI Host ID: %d\n", + tl_hba->tl_wwn_address, tl_hba->sh->host_no); /* * Call device_unregister() on the original tl_hba->dev. * tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will * release *tl_hba; */ device_unregister(&tl_hba->dev); - - pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target" - " SAS Address: %s at Linux/SCSI Host ID: %d\n", - config_item_name(&wwn->wwn_group.cg_item), host_no); } /* Start items for tcm_loop_cit */ diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 88f2ad43ec8b..1dcbef499d6a 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -191,9 +191,10 @@ int target_emulate_set_target_port_groups(struct se_task *task) int alua_access_state, primary = 0, rc; u16 tg_pt_id, rtpi; - if (!l_port) - return PYX_TRANSPORT_LU_COMM_FAILURE; - + if (!l_port) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; + } buf = transport_kmap_first_data_page(cmd); /* @@ -203,7 +204,8 @@ int target_emulate_set_target_port_groups(struct se_task *task) l_tg_pt_gp_mem = l_port->sep_alua_tg_pt_gp_mem; if (!l_tg_pt_gp_mem) { pr_err("Unable to access l_port->sep_alua_tg_pt_gp_mem\n"); - rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + rc = -EINVAL; goto out; } spin_lock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock); @@ -211,7 +213,8 @@ int target_emulate_set_target_port_groups(struct se_task *task) if (!l_tg_pt_gp) { spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock); pr_err("Unable to access *l_tg_pt_gp_mem->tg_pt_gp\n"); - rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + rc = -EINVAL; goto out; } rc = (l_tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICT_ALUA); @@ -220,7 +223,8 @@ int target_emulate_set_target_port_groups(struct se_task *task) if (!rc) { pr_debug("Unable to process SET_TARGET_PORT_GROUPS" " while TPGS_EXPLICT_ALUA is disabled\n"); - rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + rc = -EINVAL; goto out; } @@ -245,7 +249,8 @@ int target_emulate_set_target_port_groups(struct se_task *task) * REQUEST, and the additional sense code set to INVALID * FIELD IN PARAMETER LIST. */ - rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + rc = -EINVAL; goto out; } rc = -1; @@ -298,7 +303,8 @@ int target_emulate_set_target_port_groups(struct se_task *task) * throw an exception with ASCQ: INVALID_PARAMETER_LIST */ if (rc != 0) { - rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + rc = -EINVAL; goto out; } } else { @@ -335,7 +341,8 @@ int target_emulate_set_target_port_groups(struct se_task *task) * INVALID_PARAMETER_LIST */ if (rc != 0) { - rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + rc = -EINVAL; goto out; } } @@ -1184,7 +1191,6 @@ void core_alua_free_lu_gp(struct t10_alua_lu_gp *lu_gp) * struct t10_alua_lu_gp. */ spin_lock(&lu_gps_lock); - atomic_set(&lu_gp->lu_gp_shutdown, 1); list_del(&lu_gp->lu_gp_node); alua_lu_gps_count--; spin_unlock(&lu_gps_lock); @@ -1438,7 +1444,6 @@ struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem( tg_pt_gp_mem->tg_pt = port; port->sep_alua_tg_pt_gp_mem = tg_pt_gp_mem; - atomic_set(&port->sep_tg_pt_gp_active, 1); return tg_pt_gp_mem; } diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c index 683ba02b8247..831468b3163d 100644 --- a/drivers/target/target_core_cdb.c +++ b/drivers/target/target_core_cdb.c @@ -478,7 +478,7 @@ target_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf) if (cmd->data_length < 60) return 0; - buf[2] = 0x3c; + buf[3] = 0x3c; /* Set HEADSUP, ORDSUP, SIMPSUP */ buf[5] = 0x07; @@ -703,6 +703,7 @@ int target_emulate_inquiry(struct se_task *task) if (cmd->data_length < 4) { pr_err("SCSI Inquiry payload length: %u" " too small for EVPD=1\n", cmd->data_length); + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; return -EINVAL; } @@ -719,6 +720,7 @@ int target_emulate_inquiry(struct se_task *task) } pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]); + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; ret = -EINVAL; out_unmap: @@ -969,7 +971,8 @@ int target_emulate_modesense(struct se_task *task) default: pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n", cdb[2] & 0x3f, cdb[3]); - return PYX_TRANSPORT_UNKNOWN_MODE_PAGE; + cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE; + return -EINVAL; } offset += length; @@ -1027,7 +1030,8 @@ int target_emulate_request_sense(struct se_task *task) if (cdb[1] & 0x01) { pr_err("REQUEST_SENSE description emulation not" " supported\n"); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -ENOSYS; } buf = transport_kmap_first_data_page(cmd); @@ -1100,7 +1104,8 @@ int target_emulate_unmap(struct se_task *task) if (!dev->transport->do_discard) { pr_err("UNMAP emulation not supported for: %s\n", dev->transport->name); - return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + return -ENOSYS; } /* First UNMAP block descriptor starts at 8 byte offset */ @@ -1157,7 +1162,8 @@ int target_emulate_write_same(struct se_task *task) if (!dev->transport->do_discard) { pr_err("WRITE_SAME emulation not supported" " for: %s\n", dev->transport->name); - return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + return -ENOSYS; } if (cmd->t_task_cdb[0] == WRITE_SAME) @@ -1193,11 +1199,13 @@ int target_emulate_write_same(struct se_task *task) int target_emulate_synchronize_cache(struct se_task *task) { struct se_device *dev = task->task_se_cmd->se_dev; + struct se_cmd *cmd = task->task_se_cmd; if (!dev->transport->do_sync_cache) { pr_err("SYNCHRONIZE_CACHE emulation not supported" " for: %s\n", dev->transport->name); - return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + return -ENOSYS; } dev->transport->do_sync_cache(task); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index e0c1e8a8dd4e..93d4f6a1b798 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -67,9 +67,6 @@ static struct config_group target_core_hbagroup; static struct config_group alua_group; static struct config_group alua_lu_gps_group; -static DEFINE_SPINLOCK(se_device_lock); -static LIST_HEAD(se_dev_list); - static inline struct se_hba * item_to_hba(struct config_item *item) { @@ -2741,7 +2738,6 @@ static struct config_group *target_core_make_subdev( " struct se_subsystem_dev\n"); goto unlock; } - INIT_LIST_HEAD(&se_dev->se_dev_node); INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list); spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock); INIT_LIST_HEAD(&se_dev->t10_pr.registration_list); @@ -2777,9 +2773,6 @@ static struct config_group *target_core_make_subdev( " from allocate_virtdevice()\n"); goto out; } - spin_lock(&se_device_lock); - list_add_tail(&se_dev->se_dev_node, &se_dev_list); - spin_unlock(&se_device_lock); config_group_init_type_name(&se_dev->se_dev_group, name, &target_core_dev_cit); @@ -2874,10 +2867,6 @@ static void target_core_drop_subdev( mutex_lock(&hba->hba_access_mutex); t = hba->transport; - spin_lock(&se_device_lock); - list_del(&se_dev->se_dev_node); - spin_unlock(&se_device_lock); - dev_stat_grp = &se_dev->dev_stat_grps.stat_group; for (i = 0; dev_stat_grp->default_groups[i]; i++) { df_item = &dev_stat_grp->default_groups[i]->cg_item; diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index ba5edec2c5f8..9b8639425472 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -104,7 +104,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun) se_cmd->se_lun = deve->se_lun; se_cmd->pr_res_key = deve->pr_res_key; se_cmd->orig_fe_lun = unpacked_lun; - se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev; se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD; } spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags); @@ -137,7 +136,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun) se_lun = &se_sess->se_tpg->tpg_virt_lun0; se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0; se_cmd->orig_fe_lun = 0; - se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev; se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD; } /* @@ -200,7 +198,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun) se_lun = deve->se_lun; se_cmd->pr_res_key = deve->pr_res_key; se_cmd->orig_fe_lun = unpacked_lun; - se_cmd->se_orig_obj_ptr = se_cmd->se_dev; } spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags); @@ -708,7 +705,7 @@ done: se_task->task_scsi_status = GOOD; transport_complete_task(se_task, 1); - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; } /* se_release_device_for_hba(): @@ -957,8 +954,12 @@ int se_dev_set_emulate_dpo(struct se_device *dev, int flag) return -EINVAL; } - pr_err("dpo_emulated not supported\n"); - return -EINVAL; + if (flag) { + pr_err("dpo_emulated not supported\n"); + return -EINVAL; + } + + return 0; } int se_dev_set_emulate_fua_write(struct se_device *dev, int flag) @@ -968,7 +969,7 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag) return -EINVAL; } - if (dev->transport->fua_write_emulated == 0) { + if (flag && dev->transport->fua_write_emulated == 0) { pr_err("fua_write_emulated not supported\n"); return -EINVAL; } @@ -985,8 +986,12 @@ int se_dev_set_emulate_fua_read(struct se_device *dev, int flag) return -EINVAL; } - pr_err("ua read emulated not supported\n"); - return -EINVAL; + if (flag) { + pr_err("ua read emulated not supported\n"); + return -EINVAL; + } + + return 0; } int se_dev_set_emulate_write_cache(struct se_device *dev, int flag) @@ -995,7 +1000,7 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag) pr_err("Illegal value %d\n", flag); return -EINVAL; } - if (dev->transport->write_cache_emulated == 0) { + if (flag && dev->transport->write_cache_emulated == 0) { pr_err("write_cache_emulated not supported\n"); return -EINVAL; } @@ -1056,7 +1061,7 @@ int se_dev_set_emulate_tpu(struct se_device *dev, int flag) * We expect this value to be non-zero when generic Block Layer * Discard supported is detected iblock_create_virtdevice(). */ - if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) { + if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) { pr_err("Generic Block Discard not supported\n"); return -ENOSYS; } @@ -1077,7 +1082,7 @@ int se_dev_set_emulate_tpws(struct se_device *dev, int flag) * We expect this value to be non-zero when generic Block Layer * Discard supported is detected iblock_create_virtdevice(). */ - if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) { + if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) { pr_err("Generic Block Discard not supported\n"); return -ENOSYS; } @@ -1587,7 +1592,6 @@ int core_dev_setup_virtual_lun0(void) ret = -ENOMEM; goto out; } - INIT_LIST_HEAD(&se_dev->se_dev_node); INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list); spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock); INIT_LIST_HEAD(&se_dev->t10_pr.registration_list); diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index 67cd6fe05bfa..b4864fba4ef0 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -289,9 +289,9 @@ static int fd_do_readv(struct se_task *task) return -ENOMEM; } - for (i = 0; i < task->task_sg_nents; i++) { - iov[i].iov_len = sg[i].length; - iov[i].iov_base = sg_virt(&sg[i]); + for_each_sg(task->task_sg, sg, task->task_sg_nents, i) { + iov[i].iov_len = sg->length; + iov[i].iov_base = sg_virt(sg); } old_fs = get_fs(); @@ -342,9 +342,9 @@ static int fd_do_writev(struct se_task *task) return -ENOMEM; } - for (i = 0; i < task->task_sg_nents; i++) { - iov[i].iov_len = sg[i].length; - iov[i].iov_base = sg_virt(&sg[i]); + for_each_sg(task->task_sg, sg, task->task_sg_nents, i) { + iov[i].iov_len = sg->length; + iov[i].iov_base = sg_virt(sg); } old_fs = get_fs(); @@ -438,7 +438,7 @@ static int fd_do_task(struct se_task *task) if (ret > 0 && dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 && dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 && - cmd->t_tasks_fua) { + (cmd->se_cmd_flags & SCF_FUA)) { /* * We might need to be a bit smarter here * and return some sense data to let the initiator @@ -449,13 +449,15 @@ static int fd_do_task(struct se_task *task) } - if (ret < 0) + if (ret < 0) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; return ret; + } if (ret) { task->task_scsi_status = GOOD; transport_complete_task(task, 1); } - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; } /* fd_free_task(): (Part of se_subsystem_api_t template) diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 7698efe29262..4aa992204438 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -531,7 +531,7 @@ static int iblock_do_task(struct se_task *task) */ if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 || (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 && - task->task_se_cmd->t_tasks_fua)) + (cmd->se_cmd_flags & SCF_FUA))) rw = WRITE_FUA; else rw = WRITE; @@ -554,12 +554,15 @@ static int iblock_do_task(struct se_task *task) else { pr_err("Unsupported SCSI -> BLOCK LBA conversion:" " %u\n", dev->se_sub_dev->se_dev_attrib.block_size); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENOSYS; } bio = iblock_get_bio(task, block_lba, sg_num); - if (!bio) - return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES; + if (!bio) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENOMEM; + } bio_list_init(&list); bio_list_add(&list, bio); @@ -588,12 +591,13 @@ static int iblock_do_task(struct se_task *task) submit_bio(rw, bio); blk_finish_plug(&plug); - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; fail: while ((bio = bio_list_pop(&list))) bio_put(bio); - return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENOMEM; } static u32 iblock_get_device_rev(struct se_device *dev) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 5a4ebfc3a54f..95dee7074aeb 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -191,7 +191,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret) pr_err("Received legacy SPC-2 RESERVE/RELEASE" " while active SPC-3 registrations exist," " returning RESERVATION_CONFLICT\n"); - *ret = PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; return true; } @@ -252,7 +252,8 @@ int target_scsi2_reservation_reserve(struct se_task *task) (cmd->t_task_cdb[1] & 0x02)) { pr_err("LongIO and Obselete Bits set, returning" " ILLEGAL_REQUEST\n"); - ret = PYX_TRANSPORT_ILLEGAL_REQUEST; + cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + ret = -EINVAL; goto out; } /* @@ -277,7 +278,8 @@ int target_scsi2_reservation_reserve(struct se_task *task) " from %s \n", cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun, sess->se_node_acl->initiatorname); - ret = PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + ret = -EINVAL; goto out_unlock; } @@ -1510,7 +1512,8 @@ static int core_scsi3_decode_spec_i_port( tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL); if (!tidh_new) { pr_err("Unable to allocate tidh_new\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } INIT_LIST_HEAD(&tidh_new->dest_list); tidh_new->dest_tpg = tpg; @@ -1522,7 +1525,8 @@ static int core_scsi3_decode_spec_i_port( sa_res_key, all_tg_pt, aptpl); if (!local_pr_reg) { kfree(tidh_new); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENOMEM; } tidh_new->dest_pr_reg = local_pr_reg; /* @@ -1548,7 +1552,8 @@ static int core_scsi3_decode_spec_i_port( pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header" " does not equal CDB data_length: %u\n", tpdl, cmd->data_length); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } /* @@ -1598,7 +1603,9 @@ static int core_scsi3_decode_spec_i_port( " for tmp_tpg\n"); atomic_dec(&tmp_tpg->tpg_pr_ref_count); smp_mb__after_atomic_dec(); - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + ret = -EINVAL; goto out; } /* @@ -1628,7 +1635,9 @@ static int core_scsi3_decode_spec_i_port( atomic_dec(&dest_node_acl->acl_pr_ref_count); smp_mb__after_atomic_dec(); core_scsi3_tpg_undepend_item(tmp_tpg); - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + ret = -EINVAL; goto out; } @@ -1646,7 +1655,8 @@ static int core_scsi3_decode_spec_i_port( if (!dest_tpg) { pr_err("SPC-3 PR SPEC_I_PT: Unable to locate" " dest_tpg\n"); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } #if 0 @@ -1660,7 +1670,8 @@ static int core_scsi3_decode_spec_i_port( " %u for Transport ID: %s\n", tid_len, ptr); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } /* @@ -1678,7 +1689,8 @@ static int core_scsi3_decode_spec_i_port( core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } @@ -1690,7 +1702,9 @@ static int core_scsi3_decode_spec_i_port( smp_mb__after_atomic_dec(); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + ret = -EINVAL; goto out; } #if 0 @@ -1727,7 +1741,9 @@ static int core_scsi3_decode_spec_i_port( core_scsi3_lunacl_undepend_item(dest_se_deve); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + ret = -ENOMEM; goto out; } INIT_LIST_HEAD(&tidh_new->dest_list); @@ -1759,7 +1775,8 @@ static int core_scsi3_decode_spec_i_port( core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); kfree(tidh_new); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } tidh_new->dest_pr_reg = dest_pr_reg; @@ -2098,7 +2115,8 @@ static int core_scsi3_emulate_pro_register( if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } se_tpg = se_sess->se_tpg; se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun]; @@ -2117,13 +2135,14 @@ static int core_scsi3_emulate_pro_register( if (res_key) { pr_warn("SPC-3 PR: Reservation Key non-zero" " for SA REGISTER, returning CONFLICT\n"); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * Do nothing but return GOOD status. */ if (!sa_res_key) - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; if (!spec_i_pt) { /* @@ -2138,7 +2157,8 @@ static int core_scsi3_emulate_pro_register( if (ret != 0) { pr_err("Unable to allocate" " struct t10_pr_registration\n"); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } } else { /* @@ -2197,14 +2217,16 @@ static int core_scsi3_emulate_pro_register( " 0x%016Lx\n", res_key, pr_reg->pr_res_key); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } } if (spec_i_pt) { pr_err("SPC-3 PR UNREGISTER: SPEC_I_PT" " set while sa_res_key=0\n"); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } /* * An existing ALL_TG_PT=1 registration being released @@ -2215,7 +2237,8 @@ static int core_scsi3_emulate_pro_register( " registration exists, but ALL_TG_PT=1 bit not" " present in received PROUT\n"); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } /* * Allocate APTPL metadata buffer used for UNREGISTER ops @@ -2227,7 +2250,9 @@ static int core_scsi3_emulate_pro_register( pr_err("Unable to allocate" " pr_aptpl_buf\n"); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } } /* @@ -2241,7 +2266,8 @@ static int core_scsi3_emulate_pro_register( if (pr_holder < 0) { kfree(pr_aptpl_buf); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } spin_lock(&pr_tmpl->registration_lock); @@ -2405,7 +2431,8 @@ static int core_scsi3_pro_reserve( if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } se_tpg = se_sess->se_tpg; se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun]; @@ -2417,7 +2444,8 @@ static int core_scsi3_pro_reserve( if (!pr_reg) { pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for RESERVE\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } /* * From spc4r17 Section 5.7.9: Reserving: @@ -2433,7 +2461,8 @@ static int core_scsi3_pro_reserve( " does not match existing SA REGISTER res_key:" " 0x%016Lx\n", res_key, pr_reg->pr_res_key); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * From spc4r17 Section 5.7.9: Reserving: @@ -2448,7 +2477,8 @@ static int core_scsi3_pro_reserve( if (scope != PR_SCOPE_LU_SCOPE) { pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } /* * See if we have an existing PR reservation holder pointer at @@ -2480,7 +2510,8 @@ static int core_scsi3_pro_reserve( spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * From spc4r17 Section 5.7.9: Reserving: @@ -2503,7 +2534,8 @@ static int core_scsi3_pro_reserve( spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * From spc4r17 Section 5.7.9: Reserving: @@ -2517,7 +2549,7 @@ static int core_scsi3_pro_reserve( */ spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; } /* * Otherwise, our *pr_reg becomes the PR reservation holder for said @@ -2574,7 +2606,8 @@ static int core_scsi3_emulate_pro_reserve( default: pr_err("SPC-3 PR: Unknown Service Action RESERVE Type:" " 0x%02x\n", type); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } return ret; @@ -2630,7 +2663,8 @@ static int core_scsi3_emulate_pro_release( if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } /* * Locate the existing *pr_reg via struct se_node_acl pointers @@ -2639,7 +2673,8 @@ static int core_scsi3_emulate_pro_release( if (!pr_reg) { pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for RELEASE\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } /* * From spc4r17 Section 5.7.11.2 Releasing: @@ -2661,7 +2696,7 @@ static int core_scsi3_emulate_pro_release( */ spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; } if ((pr_res_holder->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) || (pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG)) @@ -2675,7 +2710,7 @@ static int core_scsi3_emulate_pro_release( */ spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; } /* * From spc4r17 Section 5.7.11.2 Releasing: @@ -2697,7 +2732,8 @@ static int core_scsi3_emulate_pro_release( " 0x%016Lx\n", res_key, pr_reg->pr_res_key); spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * From spc4r17 Section 5.7.11.2 Releasing and above: @@ -2719,7 +2755,8 @@ static int core_scsi3_emulate_pro_release( spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * In response to a persistent reservation release request from the @@ -2802,7 +2839,8 @@ static int core_scsi3_emulate_pro_clear( if (!pr_reg_n) { pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for CLEAR\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } /* * From spc4r17 section 5.7.11.6, Clearing: @@ -2821,7 +2859,8 @@ static int core_scsi3_emulate_pro_clear( " existing SA REGISTER res_key:" " 0x%016Lx\n", res_key, pr_reg_n->pr_res_key); core_scsi3_put_pr_reg(pr_reg_n); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * a) Release the persistent reservation, if any; @@ -2979,8 +3018,10 @@ static int core_scsi3_pro_preempt( int all_reg = 0, calling_it_nexus = 0, released_regs = 0; int prh_type = 0, prh_scope = 0, ret; - if (!se_sess) - return PYX_TRANSPORT_LU_COMM_FAILURE; + if (!se_sess) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; + } se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun]; pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, @@ -2989,16 +3030,19 @@ static int core_scsi3_pro_preempt( pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for PREEMPT%s\n", (abort) ? "_AND_ABORT" : ""); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } if (pr_reg_n->pr_res_key != res_key) { core_scsi3_put_pr_reg(pr_reg_n); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } if (scope != PR_SCOPE_LU_SCOPE) { pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope); core_scsi3_put_pr_reg(pr_reg_n); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } INIT_LIST_HEAD(&preempt_and_abort_list); @@ -3012,7 +3056,8 @@ static int core_scsi3_pro_preempt( if (!all_reg && !sa_res_key) { spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg_n); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } /* * From spc4r17, section 5.7.11.4.4 Removing Registrations: @@ -3106,7 +3151,8 @@ static int core_scsi3_pro_preempt( if (!released_regs) { spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg_n); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * For an existing all registrants type reservation @@ -3297,7 +3343,8 @@ static int core_scsi3_emulate_pro_preempt( default: pr_err("SPC-3 PR: Unknown Service Action PREEMPT%s" " Type: 0x%02x\n", (abort) ? "_AND_ABORT" : "", type); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } return ret; @@ -3331,7 +3378,8 @@ static int core_scsi3_emulate_pro_register_and_move( if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } memset(dest_iport, 0, 64); memset(i_buf, 0, PR_REG_ISID_ID_LEN); @@ -3349,7 +3397,8 @@ static int core_scsi3_emulate_pro_register_and_move( if (!pr_reg) { pr_err("SPC-3 PR: Unable to locate PR_REGISTERED" " *pr_reg for REGISTER_AND_MOVE\n"); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } /* * The provided reservation key much match the existing reservation key @@ -3360,7 +3409,8 @@ static int core_scsi3_emulate_pro_register_and_move( " res_key: 0x%016Lx does not match existing SA REGISTER" " res_key: 0x%016Lx\n", res_key, pr_reg->pr_res_key); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } /* * The service active reservation key needs to be non zero @@ -3369,7 +3419,8 @@ static int core_scsi3_emulate_pro_register_and_move( pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received zero" " sa_res_key\n"); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } /* @@ -3392,7 +3443,8 @@ static int core_scsi3_emulate_pro_register_and_move( " does not equal CDB data_length: %u\n", tid_len, cmd->data_length); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } spin_lock(&dev->se_port_lock); @@ -3417,7 +3469,8 @@ static int core_scsi3_emulate_pro_register_and_move( atomic_dec(&dest_se_tpg->tpg_pr_ref_count); smp_mb__after_atomic_dec(); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; } spin_lock(&dev->se_port_lock); @@ -3430,7 +3483,8 @@ static int core_scsi3_emulate_pro_register_and_move( " fabric ops from Relative Target Port Identifier:" " %hu\n", rtpi); core_scsi3_put_pr_reg(pr_reg); - return PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; } buf = transport_kmap_first_data_page(cmd); @@ -3445,14 +3499,16 @@ static int core_scsi3_emulate_pro_register_and_move( " from fabric: %s\n", proto_ident, dest_tf_ops->get_fabric_proto_ident(dest_se_tpg), dest_tf_ops->get_fabric_name()); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) { pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not" " containg a valid tpg_parse_pr_out_transport_id" " function pointer\n"); - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + ret = -EINVAL; goto out; } initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg, @@ -3460,7 +3516,8 @@ static int core_scsi3_emulate_pro_register_and_move( if (!initiator_str) { pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate" " initiator_str from Transport ID\n"); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } @@ -3489,7 +3546,8 @@ static int core_scsi3_emulate_pro_register_and_move( pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s" " matches: %s on received I_T Nexus\n", initiator_str, pr_reg_nacl->initiatorname); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } if (!strcmp(iport_ptr, pr_reg->pr_reg_isid)) { @@ -3497,7 +3555,8 @@ static int core_scsi3_emulate_pro_register_and_move( " matches: %s %s on received I_T Nexus\n", initiator_str, iport_ptr, pr_reg_nacl->initiatorname, pr_reg->pr_reg_isid); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } after_iport_check: @@ -3517,7 +3576,8 @@ after_iport_check: pr_err("Unable to locate %s dest_node_acl for" " TransportID%s\n", dest_tf_ops->get_fabric_name(), initiator_str); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } ret = core_scsi3_nodeacl_depend_item(dest_node_acl); @@ -3527,7 +3587,8 @@ after_iport_check: atomic_dec(&dest_node_acl->acl_pr_ref_count); smp_mb__after_atomic_dec(); dest_node_acl = NULL; - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } #if 0 @@ -3543,7 +3604,8 @@ after_iport_check: if (!dest_se_deve) { pr_err("Unable to locate %s dest_se_deve from RTPI:" " %hu\n", dest_tf_ops->get_fabric_name(), rtpi); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } @@ -3553,7 +3615,8 @@ after_iport_check: atomic_dec(&dest_se_deve->pr_ref_count); smp_mb__after_atomic_dec(); dest_se_deve = NULL; - ret = PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + ret = -EINVAL; goto out; } #if 0 @@ -3572,7 +3635,8 @@ after_iport_check: pr_warn("SPC-3 PR REGISTER_AND_MOVE: No reservation" " currently held\n"); spin_unlock(&dev->dev_reservation_lock); - ret = PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + ret = -EINVAL; goto out; } /* @@ -3585,7 +3649,8 @@ after_iport_check: pr_warn("SPC-3 PR REGISTER_AND_MOVE: Calling I_T" " Nexus is not reservation holder\n"); spin_unlock(&dev->dev_reservation_lock); - ret = PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + ret = -EINVAL; goto out; } /* @@ -3603,7 +3668,8 @@ after_iport_check: " reservation for type: %s\n", core_scsi3_pr_dump_type(pr_res_holder->pr_res_type)); spin_unlock(&dev->dev_reservation_lock); - ret = PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + ret = -EINVAL; goto out; } pr_res_nacl = pr_res_holder->pr_reg_nacl; @@ -3640,7 +3706,8 @@ after_iport_check: sa_res_key, 0, aptpl, 2, 1); if (ret != 0) { spin_unlock(&dev->dev_reservation_lock); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl, @@ -3771,7 +3838,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task) pr_err("Received PERSISTENT_RESERVE CDB while legacy" " SPC-2 reservation is held, returning" " RESERVATION_CONFLICT\n"); - ret = PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + ret = EINVAL; goto out; } @@ -3779,13 +3847,16 @@ int target_scsi3_emulate_pr_out(struct se_task *task) * FIXME: A NULL struct se_session pointer means an this is not coming from * a $FABRIC_MOD's nexus, but from internal passthrough ops. */ - if (!cmd->se_sess) - return PYX_TRANSPORT_LU_COMM_FAILURE; + if (!cmd->se_sess) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -EINVAL; + } if (cmd->data_length < 24) { pr_warn("SPC-PR: Received PR OUT parameter list" " length too small: %u\n", cmd->data_length); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } /* @@ -3820,7 +3891,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task) * SPEC_I_PT=1 is only valid for Service action: REGISTER */ if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER)) { - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } @@ -3837,7 +3909,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task) (cmd->data_length != 24)) { pr_warn("SPC-PR: Received PR OUT illegal parameter" " list length: %u\n", cmd->data_length); - ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; goto out; } /* @@ -3878,7 +3951,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task) default: pr_err("Unknown PERSISTENT_RESERVE_OUT service" " action: 0x%02x\n", cdb[1] & 0x1f); - ret = PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + ret = -EINVAL; break; } @@ -3906,7 +3980,8 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd) if (cmd->data_length < 8) { pr_err("PRIN SA READ_KEYS SCSI Data Length: %u" " too small\n", cmd->data_length); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } buf = transport_kmap_first_data_page(cmd); @@ -3965,7 +4040,8 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) if (cmd->data_length < 8) { pr_err("PRIN SA READ_RESERVATIONS SCSI Data Length: %u" " too small\n", cmd->data_length); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } buf = transport_kmap_first_data_page(cmd); @@ -4047,7 +4123,8 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd) if (cmd->data_length < 6) { pr_err("PRIN SA REPORT_CAPABILITIES SCSI Data Length:" " %u too small\n", cmd->data_length); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } buf = transport_kmap_first_data_page(cmd); @@ -4108,7 +4185,8 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) if (cmd->data_length < 8) { pr_err("PRIN SA READ_FULL_STATUS SCSI Data Length: %u" " too small\n", cmd->data_length); - return PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; } buf = transport_kmap_first_data_page(cmd); @@ -4255,7 +4333,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task) pr_err("Received PERSISTENT_RESERVE CDB while legacy" " SPC-2 reservation is held, returning" " RESERVATION_CONFLICT\n"); - return PYX_TRANSPORT_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EINVAL; } switch (cmd->t_task_cdb[1] & 0x1f) { @@ -4274,7 +4353,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task) default: pr_err("Unknown PERSISTENT_RESERVE_IN service" " action: 0x%02x\n", cmd->t_task_cdb[1] & 0x1f); - ret = PYX_TRANSPORT_INVALID_CDB_FIELD; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + ret = -EINVAL; break; } diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index ed32e1efe429..8b15e56b0384 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -963,6 +963,7 @@ static inline struct bio *pscsi_get_bio(int sg_num) static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg, struct bio **hbio) { + struct se_cmd *cmd = task->task_se_cmd; struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr; u32 task_sg_num = task->task_sg_nents; struct bio *bio = NULL, *tbio = NULL; @@ -971,7 +972,7 @@ static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg, u32 data_len = task->task_size, i, len, bytes, off; int nr_pages = (task->task_size + task_sg[0].offset + PAGE_SIZE - 1) >> PAGE_SHIFT; - int nr_vecs = 0, rc, ret = PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES; + int nr_vecs = 0, rc; int rw = (task->task_data_direction == DMA_TO_DEVICE); *hbio = NULL; @@ -1058,11 +1059,13 @@ fail: bio->bi_next = NULL; bio_endio(bio, 0); /* XXX: should be error */ } - return ret; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENOMEM; } static int pscsi_do_task(struct se_task *task) { + struct se_cmd *cmd = task->task_se_cmd; struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr; struct pscsi_plugin_task *pt = PSCSI_TASK(task); struct request *req; @@ -1078,7 +1081,9 @@ static int pscsi_do_task(struct se_task *task) if (!req || IS_ERR(req)) { pr_err("PSCSI: blk_get_request() failed: %ld\n", req ? IS_ERR(req) : -ENOMEM); - return PYX_TRANSPORT_LU_COMM_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENODEV; } } else { BUG_ON(!task->task_size); @@ -1087,8 +1092,11 @@ static int pscsi_do_task(struct se_task *task) * Setup the main struct request for the task->task_sg[] payload */ ret = pscsi_map_sg(task, task->task_sg, &hbio); - if (ret < 0) - return PYX_TRANSPORT_LU_COMM_FAILURE; + if (ret < 0) { + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return ret; + } req = blk_make_request(pdv->pdv_sd->request_queue, hbio, GFP_KERNEL); @@ -1115,7 +1123,7 @@ static int pscsi_do_task(struct se_task *task) (task->task_se_cmd->sam_task_attr == MSG_HEAD_TAG), pscsi_req_done); - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; fail: while (hbio) { @@ -1124,7 +1132,8 @@ fail: bio->bi_next = NULL; bio_endio(bio, 0); /* XXX: should be error */ } - return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES; + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return -ENOMEM; } /* pscsi_get_sense_buffer(): @@ -1198,9 +1207,8 @@ static inline void pscsi_process_SAM_status( " 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0], pt->pscsi_result); task->task_scsi_status = SAM_STAT_CHECK_CONDITION; - task->task_error_status = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; - task->task_se_cmd->transport_error_status = - PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + task->task_se_cmd->scsi_sense_reason = + TCM_UNSUPPORTED_SCSI_OPCODE; transport_complete_task(task, 0); break; } diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index 5158d3846f19..02e51faa2f4e 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -343,235 +343,74 @@ static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page) return NULL; } -/* rd_MEMCPY_read(): - * - * - */ -static int rd_MEMCPY_read(struct rd_request *req) +static int rd_MEMCPY(struct rd_request *req, u32 read_rd) { struct se_task *task = &req->rd_task; struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr; struct rd_dev_sg_table *table; - struct scatterlist *sg_d, *sg_s; - void *dst, *src; - u32 i = 0, j = 0, dst_offset = 0, src_offset = 0; - u32 length, page_end = 0, table_sg_end; + struct scatterlist *rd_sg; + struct sg_mapping_iter m; u32 rd_offset = req->rd_offset; + u32 src_len; table = rd_get_sg_table(dev, req->rd_page); if (!table) return -EINVAL; - table_sg_end = (table->page_end_offset - req->rd_page); - sg_d = task->task_sg; - sg_s = &table->sg_table[req->rd_page - table->page_start_offset]; + rd_sg = &table->sg_table[req->rd_page - table->page_start_offset]; - pr_debug("RD[%u]: Read LBA: %llu, Size: %u Page: %u, Offset:" - " %u\n", dev->rd_dev_id, task->task_lba, req->rd_size, - req->rd_page, req->rd_offset); - - src_offset = rd_offset; + pr_debug("RD[%u]: %s LBA: %llu, Size: %u Page: %u, Offset: %u\n", + dev->rd_dev_id, read_rd ? "Read" : "Write", + task->task_lba, req->rd_size, req->rd_page, + rd_offset); + src_len = PAGE_SIZE - rd_offset; + sg_miter_start(&m, task->task_sg, task->task_sg_nents, + read_rd ? SG_MITER_TO_SG : SG_MITER_FROM_SG); while (req->rd_size) { - if ((sg_d[i].length - dst_offset) < - (sg_s[j].length - src_offset)) { - length = (sg_d[i].length - dst_offset); - - pr_debug("Step 1 - sg_d[%d]: %p length: %d" - " offset: %u sg_s[%d].length: %u\n", i, - &sg_d[i], sg_d[i].length, sg_d[i].offset, j, - sg_s[j].length); - pr_debug("Step 1 - length: %u dst_offset: %u" - " src_offset: %u\n", length, dst_offset, - src_offset); - - if (length > req->rd_size) - length = req->rd_size; - - dst = sg_virt(&sg_d[i++]) + dst_offset; - BUG_ON(!dst); - - src = sg_virt(&sg_s[j]) + src_offset; - BUG_ON(!src); - - dst_offset = 0; - src_offset = length; - page_end = 0; - } else { - length = (sg_s[j].length - src_offset); - - pr_debug("Step 2 - sg_d[%d]: %p length: %d" - " offset: %u sg_s[%d].length: %u\n", i, - &sg_d[i], sg_d[i].length, sg_d[i].offset, - j, sg_s[j].length); - pr_debug("Step 2 - length: %u dst_offset: %u" - " src_offset: %u\n", length, dst_offset, - src_offset); - - if (length > req->rd_size) - length = req->rd_size; - - dst = sg_virt(&sg_d[i]) + dst_offset; - BUG_ON(!dst); - - if (sg_d[i].length == length) { - i++; - dst_offset = 0; - } else - dst_offset = length; - - src = sg_virt(&sg_s[j++]) + src_offset; - BUG_ON(!src); - - src_offset = 0; - page_end = 1; - } + u32 len; + void *rd_addr; - memcpy(dst, src, length); + sg_miter_next(&m); + len = min((u32)m.length, src_len); + m.consumed = len; - pr_debug("page: %u, remaining size: %u, length: %u," - " i: %u, j: %u\n", req->rd_page, - (req->rd_size - length), length, i, j); + rd_addr = sg_virt(rd_sg) + rd_offset; - req->rd_size -= length; - if (!req->rd_size) - return 0; + if (read_rd) + memcpy(m.addr, rd_addr, len); + else + memcpy(rd_addr, m.addr, len); - if (!page_end) + req->rd_size -= len; + if (!req->rd_size) continue; - if (++req->rd_page <= table->page_end_offset) { - pr_debug("page: %u in same page table\n", - req->rd_page); + src_len -= len; + if (src_len) { + rd_offset += len; continue; } - pr_debug("getting new page table for page: %u\n", - req->rd_page); - - table = rd_get_sg_table(dev, req->rd_page); - if (!table) - return -EINVAL; - - sg_s = &table->sg_table[j = 0]; - } - - return 0; -} - -/* rd_MEMCPY_write(): - * - * - */ -static int rd_MEMCPY_write(struct rd_request *req) -{ - struct se_task *task = &req->rd_task; - struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr; - struct rd_dev_sg_table *table; - struct scatterlist *sg_d, *sg_s; - void *dst, *src; - u32 i = 0, j = 0, dst_offset = 0, src_offset = 0; - u32 length, page_end = 0, table_sg_end; - u32 rd_offset = req->rd_offset; - - table = rd_get_sg_table(dev, req->rd_page); - if (!table) - return -EINVAL; - - table_sg_end = (table->page_end_offset - req->rd_page); - sg_d = &table->sg_table[req->rd_page - table->page_start_offset]; - sg_s = task->task_sg; - - pr_debug("RD[%d] Write LBA: %llu, Size: %u, Page: %u," - " Offset: %u\n", dev->rd_dev_id, task->task_lba, req->rd_size, - req->rd_page, req->rd_offset); - - dst_offset = rd_offset; - - while (req->rd_size) { - if ((sg_s[i].length - src_offset) < - (sg_d[j].length - dst_offset)) { - length = (sg_s[i].length - src_offset); - - pr_debug("Step 1 - sg_s[%d]: %p length: %d" - " offset: %d sg_d[%d].length: %u\n", i, - &sg_s[i], sg_s[i].length, sg_s[i].offset, - j, sg_d[j].length); - pr_debug("Step 1 - length: %u src_offset: %u" - " dst_offset: %u\n", length, src_offset, - dst_offset); - - if (length > req->rd_size) - length = req->rd_size; - - src = sg_virt(&sg_s[i++]) + src_offset; - BUG_ON(!src); - - dst = sg_virt(&sg_d[j]) + dst_offset; - BUG_ON(!dst); - - src_offset = 0; - dst_offset = length; - page_end = 0; - } else { - length = (sg_d[j].length - dst_offset); - - pr_debug("Step 2 - sg_s[%d]: %p length: %d" - " offset: %d sg_d[%d].length: %u\n", i, - &sg_s[i], sg_s[i].length, sg_s[i].offset, - j, sg_d[j].length); - pr_debug("Step 2 - length: %u src_offset: %u" - " dst_offset: %u\n", length, src_offset, - dst_offset); - - if (length > req->rd_size) - length = req->rd_size; - - src = sg_virt(&sg_s[i]) + src_offset; - BUG_ON(!src); - - if (sg_s[i].length == length) { - i++; - src_offset = 0; - } else - src_offset = length; - - dst = sg_virt(&sg_d[j++]) + dst_offset; - BUG_ON(!dst); - - dst_offset = 0; - page_end = 1; - } - - memcpy(dst, src, length); - - pr_debug("page: %u, remaining size: %u, length: %u," - " i: %u, j: %u\n", req->rd_page, - (req->rd_size - length), length, i, j); - - req->rd_size -= length; - if (!req->rd_size) - return 0; - - if (!page_end) - continue; - - if (++req->rd_page <= table->page_end_offset) { - pr_debug("page: %u in same page table\n", - req->rd_page); + /* rd page completed, next one please */ + req->rd_page++; + rd_offset = 0; + src_len = PAGE_SIZE; + if (req->rd_page <= table->page_end_offset) { + rd_sg++; continue; } - pr_debug("getting new page table for page: %u\n", - req->rd_page); - table = rd_get_sg_table(dev, req->rd_page); - if (!table) + if (!table) { + sg_miter_stop(&m); return -EINVAL; + } - sg_d = &table->sg_table[j = 0]; + /* since we increment, the first sg entry is correct */ + rd_sg = table->sg_table; } - + sg_miter_stop(&m); return 0; } @@ -583,28 +422,21 @@ static int rd_MEMCPY_do_task(struct se_task *task) { struct se_device *dev = task->task_se_cmd->se_dev; struct rd_request *req = RD_REQ(task); - unsigned long long lba; + u64 tmp; int ret; - req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE; - lba = task->task_lba; - req->rd_offset = (do_div(lba, - (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) * - dev->se_sub_dev->se_dev_attrib.block_size; + tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size; + req->rd_offset = do_div(tmp, PAGE_SIZE); + req->rd_page = tmp; req->rd_size = task->task_size; - if (task->task_data_direction == DMA_FROM_DEVICE) - ret = rd_MEMCPY_read(req); - else - ret = rd_MEMCPY_write(req); - + ret = rd_MEMCPY(req, task->task_data_direction == DMA_FROM_DEVICE); if (ret != 0) return ret; task->task_scsi_status = GOOD; transport_complete_task(task, 1); - - return PYX_TRANSPORT_SENT_TO_TRANSPORT; + return 0; } /* rd_free_task(): (Part of se_subsystem_api_t template) diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 217e29df6297..684522805a1f 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -345,10 +345,6 @@ static void core_tmr_drain_cmd_list( " %d t_fe_count: %d\n", (preempt_and_abort_list) ? "Preempt" : "", cmd, cmd->t_state, atomic_read(&cmd->t_fe_count)); - /* - * Signal that the command has failed via cmd->se_cmd_flags, - */ - transport_new_cmd_failure(cmd); core_tmr_handle_tas_abort(tmr_nacl, cmd, tas, atomic_read(&cmd->t_fe_count)); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 3400ae6e93f8..0257658e2e3e 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -61,7 +61,6 @@ static int sub_api_initialized; static struct workqueue_struct *target_completion_wq; -static struct kmem_cache *se_cmd_cache; static struct kmem_cache *se_sess_cache; struct kmem_cache *se_tmr_req_cache; struct kmem_cache *se_ua_cache; @@ -82,24 +81,18 @@ static int transport_generic_get_mem(struct se_cmd *cmd); static void transport_put_cmd(struct se_cmd *cmd); static void transport_remove_cmd_from_queue(struct se_cmd *cmd); static int transport_set_sense_codes(struct se_cmd *cmd, u8 asc, u8 ascq); -static void transport_generic_request_failure(struct se_cmd *, int, int); +static void transport_generic_request_failure(struct se_cmd *); static void target_complete_ok_work(struct work_struct *work); int init_se_kmem_caches(void) { - se_cmd_cache = kmem_cache_create("se_cmd_cache", - sizeof(struct se_cmd), __alignof__(struct se_cmd), 0, NULL); - if (!se_cmd_cache) { - pr_err("kmem_cache_create for struct se_cmd failed\n"); - goto out; - } se_tmr_req_cache = kmem_cache_create("se_tmr_cache", sizeof(struct se_tmr_req), __alignof__(struct se_tmr_req), 0, NULL); if (!se_tmr_req_cache) { pr_err("kmem_cache_create() for struct se_tmr_req" " failed\n"); - goto out_free_cmd_cache; + goto out; } se_sess_cache = kmem_cache_create("se_sess_cache", sizeof(struct se_session), __alignof__(struct se_session), @@ -182,8 +175,6 @@ out_free_sess_cache: kmem_cache_destroy(se_sess_cache); out_free_tmr_req_cache: kmem_cache_destroy(se_tmr_req_cache); -out_free_cmd_cache: - kmem_cache_destroy(se_cmd_cache); out: return -ENOMEM; } @@ -191,7 +182,6 @@ out: void release_se_kmem_caches(void) { destroy_workqueue(target_completion_wq); - kmem_cache_destroy(se_cmd_cache); kmem_cache_destroy(se_tmr_req_cache); kmem_cache_destroy(se_sess_cache); kmem_cache_destroy(se_ua_cache); @@ -680,9 +670,9 @@ void transport_complete_sync_cache(struct se_cmd *cmd, int good) task->task_scsi_status = GOOD; } else { task->task_scsi_status = SAM_STAT_CHECK_CONDITION; - task->task_error_status = PYX_TRANSPORT_ILLEGAL_REQUEST; - task->task_se_cmd->transport_error_status = - PYX_TRANSPORT_ILLEGAL_REQUEST; + task->task_se_cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + } transport_complete_task(task, good); @@ -693,7 +683,7 @@ static void target_complete_failure_work(struct work_struct *work) { struct se_cmd *cmd = container_of(work, struct se_cmd, work); - transport_generic_request_failure(cmd, 1, 1); + transport_generic_request_failure(cmd); } /* transport_complete_task(): @@ -755,10 +745,11 @@ void transport_complete_task(struct se_task *task, int success) if (cmd->t_tasks_failed) { if (!task->task_error_status) { task->task_error_status = - PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; - cmd->transport_error_status = - PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } + INIT_WORK(&cmd->work, target_complete_failure_work); } else { atomic_set(&cmd->t_transport_complete, 1); @@ -1335,23 +1326,17 @@ struct se_device *transport_add_device_to_core_hba( dev->se_hba = hba; dev->se_sub_dev = se_dev; dev->transport = transport; - atomic_set(&dev->active_cmds, 0); INIT_LIST_HEAD(&dev->dev_list); INIT_LIST_HEAD(&dev->dev_sep_list); INIT_LIST_HEAD(&dev->dev_tmr_list); INIT_LIST_HEAD(&dev->execute_task_list); INIT_LIST_HEAD(&dev->delayed_cmd_list); - INIT_LIST_HEAD(&dev->ordered_cmd_list); INIT_LIST_HEAD(&dev->state_task_list); INIT_LIST_HEAD(&dev->qf_cmd_list); spin_lock_init(&dev->execute_task_lock); spin_lock_init(&dev->delayed_cmd_lock); - spin_lock_init(&dev->ordered_cmd_lock); - spin_lock_init(&dev->state_task_lock); - spin_lock_init(&dev->dev_alua_lock); spin_lock_init(&dev->dev_reservation_lock); spin_lock_init(&dev->dev_status_lock); - spin_lock_init(&dev->dev_status_thr_lock); spin_lock_init(&dev->se_port_lock); spin_lock_init(&dev->se_tmr_lock); spin_lock_init(&dev->qf_cmd_lock); @@ -1507,7 +1492,6 @@ void transport_init_se_cmd( { INIT_LIST_HEAD(&cmd->se_lun_node); INIT_LIST_HEAD(&cmd->se_delayed_node); - INIT_LIST_HEAD(&cmd->se_ordered_node); INIT_LIST_HEAD(&cmd->se_qf_node); INIT_LIST_HEAD(&cmd->se_queue_node); INIT_LIST_HEAD(&cmd->se_cmd_list); @@ -1573,6 +1557,8 @@ int transport_generic_allocate_tasks( pr_err("Received SCSI CDB with command_size: %d that" " exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n", scsi_command_size(cdb), SCSI_MAX_VARLEN_CDB_SIZE); + cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; return -EINVAL; } /* @@ -1588,6 +1574,9 @@ int transport_generic_allocate_tasks( " %u > sizeof(cmd->__t_task_cdb): %lu ops\n", scsi_command_size(cdb), (unsigned long)sizeof(cmd->__t_task_cdb)); + cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; + cmd->scsi_sense_reason = + TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; return -ENOMEM; } } else @@ -1658,11 +1647,9 @@ int transport_handle_cdb_direct( * and call transport_generic_request_failure() if necessary.. */ ret = transport_generic_new_cmd(cmd); - if (ret < 0) { - cmd->transport_error_status = ret; - transport_generic_request_failure(cmd, 0, - (cmd->data_direction != DMA_TO_DEVICE)); - } + if (ret < 0) + transport_generic_request_failure(cmd); + return 0; } EXPORT_SYMBOL(transport_handle_cdb_direct); @@ -1798,20 +1785,16 @@ static int transport_stop_tasks_for_cmd(struct se_cmd *cmd) /* * Handle SAM-esque emulation for generic transport request failures. */ -static void transport_generic_request_failure( - struct se_cmd *cmd, - int complete, - int sc) +static void transport_generic_request_failure(struct se_cmd *cmd) { int ret = 0; pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08x" " CDB: 0x%02x\n", cmd, cmd->se_tfo->get_task_tag(cmd), cmd->t_task_cdb[0]); - pr_debug("-----[ i_state: %d t_state: %d transport_error_status: %d\n", + pr_debug("-----[ i_state: %d t_state: %d scsi_sense_reason: %d\n", cmd->se_tfo->get_cmd_state(cmd), - cmd->t_state, - cmd->transport_error_status); + cmd->t_state, cmd->scsi_sense_reason); pr_debug("-----[ t_tasks: %d t_task_cdbs_left: %d" " t_task_cdbs_sent: %d t_task_cdbs_ex_left: %d --" " t_transport_active: %d t_transport_stop: %d" @@ -1829,46 +1812,19 @@ static void transport_generic_request_failure( if (cmd->se_dev->dev_task_attr_type == SAM_TASK_ATTR_EMULATED) transport_complete_task_attr(cmd); - if (complete) { - cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE; - } - - switch (cmd->transport_error_status) { - case PYX_TRANSPORT_UNKNOWN_SAM_OPCODE: - cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; - break; - case PYX_TRANSPORT_REQ_TOO_MANY_SECTORS: - cmd->scsi_sense_reason = TCM_SECTOR_COUNT_TOO_MANY; - break; - case PYX_TRANSPORT_INVALID_CDB_FIELD: - cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; - break; - case PYX_TRANSPORT_INVALID_PARAMETER_LIST: - cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; - break; - case PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES: - if (!sc) - transport_new_cmd_failure(cmd); - /* - * Currently for PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES, - * we force this session to fall back to session - * recovery. - */ - cmd->se_tfo->fall_back_to_erl0(cmd->se_sess); - cmd->se_tfo->stop_session(cmd->se_sess, 0, 0); - - goto check_stop; - case PYX_TRANSPORT_LU_COMM_FAILURE: - case PYX_TRANSPORT_ILLEGAL_REQUEST: - cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - break; - case PYX_TRANSPORT_UNKNOWN_MODE_PAGE: - cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE; - break; - case PYX_TRANSPORT_WRITE_PROTECTED: - cmd->scsi_sense_reason = TCM_WRITE_PROTECTED; + switch (cmd->scsi_sense_reason) { + case TCM_NON_EXISTENT_LUN: + case TCM_UNSUPPORTED_SCSI_OPCODE: + case TCM_INVALID_CDB_FIELD: + case TCM_INVALID_PARAMETER_LIST: + case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE: + case TCM_UNKNOWN_MODE_PAGE: + case TCM_WRITE_PROTECTED: + case TCM_CHECK_CONDITION_ABORT_CMD: + case TCM_CHECK_CONDITION_UNIT_ATTENTION: + case TCM_CHECK_CONDITION_NOT_READY: break; - case PYX_TRANSPORT_RESERVATION_CONFLICT: + case TCM_RESERVATION_CONFLICT: /* * No SENSE Data payload for this case, set SCSI Status * and queue the response to $FABRIC_MOD. @@ -1893,15 +1849,9 @@ static void transport_generic_request_failure( if (ret == -EAGAIN || ret == -ENOMEM) goto queue_full; goto check_stop; - case PYX_TRANSPORT_USE_SENSE_REASON: - /* - * struct se_cmd->scsi_sense_reason already set - */ - break; default: pr_err("Unknown transport error for CDB 0x%02x: %d\n", - cmd->t_task_cdb[0], - cmd->transport_error_status); + cmd->t_task_cdb[0], cmd->scsi_sense_reason); cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; break; } @@ -1912,14 +1862,10 @@ static void transport_generic_request_failure( * transport_send_check_condition_and_sense() after handling * possible unsoliticied write data payloads. */ - if (!sc && !cmd->se_tfo->new_cmd_map) - transport_new_cmd_failure(cmd); - else { - ret = transport_send_check_condition_and_sense(cmd, - cmd->scsi_sense_reason, 0); - if (ret == -EAGAIN || ret == -ENOMEM) - goto queue_full; - } + ret = transport_send_check_condition_and_sense(cmd, + cmd->scsi_sense_reason, 0); + if (ret == -EAGAIN || ret == -ENOMEM) + goto queue_full; check_stop: transport_lun_remove_cmd(cmd); @@ -2002,19 +1948,12 @@ static inline int transport_execute_task_attr(struct se_cmd *cmd) * to allow the passed struct se_cmd list of tasks to the front of the list. */ if (cmd->sam_task_attr == MSG_HEAD_TAG) { - atomic_inc(&cmd->se_dev->dev_hoq_count); - smp_mb__after_atomic_inc(); pr_debug("Added HEAD_OF_QUEUE for CDB:" " 0x%02x, se_ordered_id: %u\n", cmd->t_task_cdb[0], cmd->se_ordered_id); return 1; } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) { - spin_lock(&cmd->se_dev->ordered_cmd_lock); - list_add_tail(&cmd->se_ordered_node, - &cmd->se_dev->ordered_cmd_list); - spin_unlock(&cmd->se_dev->ordered_cmd_lock); - atomic_inc(&cmd->se_dev->dev_ordered_sync); smp_mb__after_atomic_inc(); @@ -2076,9 +2015,9 @@ static int transport_execute_tasks(struct se_cmd *cmd) { int add_tasks; - if (se_dev_check_online(cmd->se_orig_obj_ptr) != 0) { - cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE; - transport_generic_request_failure(cmd, 0, 1); + if (se_dev_check_online(cmd->se_dev) != 0) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + transport_generic_request_failure(cmd); return 0; } @@ -2163,14 +2102,13 @@ check_depth: else error = dev->transport->do_task(task); if (error != 0) { - cmd->transport_error_status = error; spin_lock_irqsave(&cmd->t_state_lock, flags); task->task_flags &= ~TF_ACTIVE; spin_unlock_irqrestore(&cmd->t_state_lock, flags); atomic_set(&cmd->t_transport_sent, 0); transport_stop_tasks_for_cmd(cmd); atomic_inc(&dev->depth_left); - transport_generic_request_failure(cmd, 0, 1); + transport_generic_request_failure(cmd); } goto check_depth; @@ -2178,19 +2116,6 @@ check_depth: return 0; } -void transport_new_cmd_failure(struct se_cmd *se_cmd) -{ - unsigned long flags; - /* - * Any unsolicited data will get dumped for failed command inside of - * the fabric plugin - */ - spin_lock_irqsave(&se_cmd->t_state_lock, flags); - se_cmd->se_cmd_flags |= SCF_SE_CMD_FAILED; - se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; - spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); -} - static inline u32 transport_get_sectors_6( unsigned char *cdb, struct se_cmd *cmd, @@ -2213,10 +2138,15 @@ static inline u32 transport_get_sectors_6( /* * Everything else assume TYPE_DISK Sector CDB location. - * Use 8-bit sector value. + * Use 8-bit sector value. SBC-3 says: + * + * A TRANSFER LENGTH field set to zero specifies that 256 + * logical blocks shall be written. Any other value + * specifies the number of logical blocks that shall be + * written. */ type_disk: - return (u32)cdb[4]; + return cdb[4] ? : 256; } static inline u32 transport_get_sectors_10( @@ -2460,27 +2390,6 @@ static int transport_get_sense_data(struct se_cmd *cmd) return -1; } -static int -transport_handle_reservation_conflict(struct se_cmd *cmd) -{ - cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; - cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT; - cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT; - /* - * For UA Interlock Code 11b, a RESERVATION CONFLICT will - * establish a UNIT ATTENTION with PREVIOUS RESERVATION - * CONFLICT STATUS. - * - * See spc4r17, section 7.4.6 Control Mode Page, Table 349 - */ - if (cmd->se_sess && - cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2) - core_scsi3_ua_allocate(cmd->se_sess->se_node_acl, - cmd->orig_fe_lun, 0x2C, - ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS); - return -EINVAL; -} - static inline long long transport_dev_end_lba(struct se_device *dev) { return dev->transport->get_blocks(dev) + 1; @@ -2595,8 +2504,12 @@ static int transport_generic_cmd_sequencer( */ if (su_dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type) != 0) { if (su_dev->t10_pr.pr_ops.t10_seq_non_holder( - cmd, cdb, pr_reg_type) != 0) - return transport_handle_reservation_conflict(cmd); + cmd, cdb, pr_reg_type) != 0) { + cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; + cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT; + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + return -EBUSY; + } /* * This means the CDB is allowed for the SCSI Initiator port * when said port is *NOT* holding the legacy SPC-2 or @@ -2658,7 +2571,8 @@ static int transport_generic_cmd_sequencer( goto out_unsupported_cdb; size = transport_get_size(sectors, cdb, cmd); cmd->t_task_lba = transport_lba_32(cdb); - cmd->t_tasks_fua = (cdb[1] & 0x8); + if (cdb[1] & 0x8) + cmd->se_cmd_flags |= SCF_FUA; cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB; break; case WRITE_12: @@ -2667,7 +2581,8 @@ static int transport_generic_cmd_sequencer( goto out_unsupported_cdb; size = transport_get_size(sectors, cdb, cmd); cmd->t_task_lba = transport_lba_32(cdb); - cmd->t_tasks_fua = (cdb[1] & 0x8); + if (cdb[1] & 0x8) + cmd->se_cmd_flags |= SCF_FUA; cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB; break; case WRITE_16: @@ -2676,12 +2591,13 @@ static int transport_generic_cmd_sequencer( goto out_unsupported_cdb; size = transport_get_size(sectors, cdb, cmd); cmd->t_task_lba = transport_lba_64(cdb); - cmd->t_tasks_fua = (cdb[1] & 0x8); + if (cdb[1] & 0x8) + cmd->se_cmd_flags |= SCF_FUA; cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB; break; case XDWRITEREAD_10: if ((cmd->data_direction != DMA_TO_DEVICE) || - !(cmd->t_tasks_bidi)) + !(cmd->se_cmd_flags & SCF_BIDI)) goto out_invalid_cdb_field; sectors = transport_get_sectors_10(cdb, cmd, §or_ret); if (sector_ret) @@ -2700,7 +2616,8 @@ static int transport_generic_cmd_sequencer( * Setup BIDI XOR callback to be run after I/O completion. */ cmd->transport_complete_callback = &transport_xor_callback; - cmd->t_tasks_fua = (cdb[1] & 0x8); + if (cdb[1] & 0x8) + cmd->se_cmd_flags |= SCF_FUA; break; case VARIABLE_LENGTH_CMD: service_action = get_unaligned_be16(&cdb[8]); @@ -2728,7 +2645,8 @@ static int transport_generic_cmd_sequencer( * completion. */ cmd->transport_complete_callback = &transport_xor_callback; - cmd->t_tasks_fua = (cdb[10] & 0x8); + if (cdb[1] & 0x8) + cmd->se_cmd_flags |= SCF_FUA; break; case WRITE_SAME_32: sectors = transport_get_sectors_32(cdb, cmd, §or_ret); @@ -3171,18 +3089,13 @@ static void transport_complete_task_attr(struct se_cmd *cmd) " SIMPLE: %u\n", dev->dev_cur_ordered_id, cmd->se_ordered_id); } else if (cmd->sam_task_attr == MSG_HEAD_TAG) { - atomic_dec(&dev->dev_hoq_count); - smp_mb__after_atomic_dec(); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for" " HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id, cmd->se_ordered_id); } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) { - spin_lock(&dev->ordered_cmd_lock); - list_del(&cmd->se_ordered_node); atomic_dec(&dev->dev_ordered_sync); smp_mb__after_atomic_dec(); - spin_unlock(&dev->ordered_cmd_lock); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:" @@ -3495,6 +3408,18 @@ int transport_generic_map_mem_to_cmd( if ((cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) || (cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB)) { + /* + * Reject SCSI data overflow with map_mem_to_cmd() as incoming + * scatterlists already have been set to follow what the fabric + * passes for the original expected data transfer length. + */ + if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) { + pr_warn("Rejecting SCSI DATA overflow for fabric using" + " SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC\n"); + cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; + } cmd->t_data_sg = sgl; cmd->t_data_nents = sgl_count; @@ -3813,7 +3738,7 @@ int transport_generic_new_cmd(struct se_cmd *cmd) cmd->data_length) { ret = transport_generic_get_mem(cmd); if (ret < 0) - return ret; + goto out_fail; } /* @@ -3842,8 +3767,15 @@ int transport_generic_new_cmd(struct se_cmd *cmd) task_cdbs = transport_allocate_control_task(cmd); } - if (task_cdbs <= 0) + if (task_cdbs < 0) goto out_fail; + else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) { + cmd->t_state = TRANSPORT_COMPLETE; + atomic_set(&cmd->t_transport_active, 1); + INIT_WORK(&cmd->work, target_complete_ok_work); + queue_work(target_completion_wq, &cmd->work); + return 0; + } if (set_counts) { atomic_inc(&cmd->t_fe_count); @@ -3929,7 +3861,7 @@ static int transport_generic_write_pending(struct se_cmd *cmd) else if (ret < 0) return ret; - return PYX_TRANSPORT_WRITE_PENDING; + return 1; queue_full: pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd); @@ -4602,9 +4534,6 @@ void transport_send_task_abort(struct se_cmd *cmd) if (cmd->se_tfo->write_pending_status(cmd) != 0) { atomic_inc(&cmd->t_transport_aborted); smp_mb__after_atomic_inc(); - cmd->scsi_status = SAM_STAT_TASK_ABORTED; - transport_new_cmd_failure(cmd); - return; } } cmd->scsi_status = SAM_STAT_TASK_ABORTED; @@ -4670,8 +4599,6 @@ static int transport_processing_thread(void *param) struct se_cmd *cmd; struct se_device *dev = (struct se_device *) param; - set_user_nice(current, -20); - while (!kthread_should_stop()) { ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq, atomic_read(&dev->dev_queue_obj.queue_cnt) || @@ -4698,18 +4625,13 @@ get_cmd: } ret = cmd->se_tfo->new_cmd_map(cmd); if (ret < 0) { - cmd->transport_error_status = ret; - transport_generic_request_failure(cmd, - 0, (cmd->data_direction != - DMA_TO_DEVICE)); + transport_generic_request_failure(cmd); break; } ret = transport_generic_new_cmd(cmd); if (ret < 0) { - cmd->transport_error_status = ret; - transport_generic_request_failure(cmd, - 0, (cmd->data_direction != - DMA_TO_DEVICE)); + transport_generic_request_failure(cmd); + break; } break; case TRANSPORT_PROCESS_WRITE: diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 4fac37c4c615..71fc9cea5dc9 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -200,7 +200,7 @@ int ft_write_pending(struct se_cmd *se_cmd) lport = ep->lp; fp = fc_frame_alloc(lport, sizeof(*txrdy)); if (!fp) - return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES; + return -ENOMEM; /* Signal QUEUE_FULL */ txrdy = fc_frame_payload_get(fp, sizeof(*txrdy)); memset(txrdy, 0, sizeof(*txrdy)); diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index 5f770412ca40..9402b7387cac 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -436,8 +436,7 @@ static void ft_del_lport(struct se_wwn *wwn) struct ft_lport_acl *lacl = container_of(wwn, struct ft_lport_acl, fc_lport_wwn); - pr_debug("del lport %s\n", - config_item_name(&wwn->wwn_group.cg_item)); + pr_debug("del lport %s\n", lacl->name); mutex_lock(&ft_lport_lock); list_del(&lacl->list); mutex_unlock(&ft_lport_lock); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index f0d5718d2587..2ad813674d77 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5107,11 +5107,11 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root = orig_root->fs_info->extent_root; struct btrfs_free_cluster *last_ptr = NULL; struct btrfs_block_group_cache *block_group = NULL; + struct btrfs_block_group_cache *used_block_group; int empty_cluster = 2 * 1024 * 1024; int allowed_chunk_alloc = 0; int done_chunk_alloc = 0; struct btrfs_space_info *space_info; - int last_ptr_loop = 0; int loop = 0; int index = 0; int alloc_type = (data & BTRFS_BLOCK_GROUP_DATA) ? @@ -5173,6 +5173,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans, ideal_cache: block_group = btrfs_lookup_block_group(root->fs_info, search_start); + used_block_group = block_group; /* * we don't want to use the block group if it doesn't match our * allocation bits, or if its not cached. @@ -5210,6 +5211,7 @@ search: u64 offset; int cached; + used_block_group = block_group; btrfs_get_block_group(block_group); search_start = block_group->key.objectid; @@ -5286,71 +5288,62 @@ alloc: spin_unlock(&block_group->free_space_ctl->tree_lock); /* - * Ok we want to try and use the cluster allocator, so lets look - * there, unless we are on LOOP_NO_EMPTY_SIZE, since we will - * have tried the cluster allocator plenty of times at this - * point and not have found anything, so we are likely way too - * fragmented for the clustering stuff to find anything, so lets - * just skip it and let the allocator find whatever block it can - * find + * Ok we want to try and use the cluster allocator, so + * lets look there */ - if (last_ptr && loop < LOOP_NO_EMPTY_SIZE) { + if (last_ptr) { /* * the refill lock keeps out other * people trying to start a new cluster */ spin_lock(&last_ptr->refill_lock); - if (!last_ptr->block_group || - last_ptr->block_group->ro || - !block_group_bits(last_ptr->block_group, data)) + used_block_group = last_ptr->block_group; + if (used_block_group != block_group && + (!used_block_group || + used_block_group->ro || + !block_group_bits(used_block_group, data))) { + used_block_group = block_group; goto refill_cluster; + } + + if (used_block_group != block_group) + btrfs_get_block_group(used_block_group); - offset = btrfs_alloc_from_cluster(block_group, last_ptr, - num_bytes, search_start); + offset = btrfs_alloc_from_cluster(used_block_group, + last_ptr, num_bytes, used_block_group->key.objectid); if (offset) { /* we have a block, we're done */ spin_unlock(&last_ptr->refill_lock); goto checks; } - spin_lock(&last_ptr->lock); - /* - * whoops, this cluster doesn't actually point to - * this block group. Get a ref on the block - * group is does point to and try again - */ - if (!last_ptr_loop && last_ptr->block_group && - last_ptr->block_group != block_group && - index <= - get_block_group_index(last_ptr->block_group)) { - - btrfs_put_block_group(block_group); - block_group = last_ptr->block_group; - btrfs_get_block_group(block_group); - spin_unlock(&last_ptr->lock); - spin_unlock(&last_ptr->refill_lock); - - last_ptr_loop = 1; - search_start = block_group->key.objectid; - /* - * we know this block group is properly - * in the list because - * btrfs_remove_block_group, drops the - * cluster before it removes the block - * group from the list - */ - goto have_block_group; + WARN_ON(last_ptr->block_group != used_block_group); + if (used_block_group != block_group) { + btrfs_put_block_group(used_block_group); + used_block_group = block_group; } - spin_unlock(&last_ptr->lock); refill_cluster: + BUG_ON(used_block_group != block_group); + /* If we are on LOOP_NO_EMPTY_SIZE, we can't + * set up a new clusters, so lets just skip it + * and let the allocator find whatever block + * it can find. If we reach this point, we + * will have tried the cluster allocator + * plenty of times and not have found + * anything, so we are likely way too + * fragmented for the clustering stuff to find + * anything. */ + if (loop >= LOOP_NO_EMPTY_SIZE) { + spin_unlock(&last_ptr->refill_lock); + goto unclustered_alloc; + } + /* * this cluster didn't work out, free it and * start over */ btrfs_return_cluster_to_free_space(NULL, last_ptr); - last_ptr_loop = 0; - /* allocate a cluster in this block group */ ret = btrfs_find_space_cluster(trans, root, block_group, last_ptr, @@ -5390,6 +5383,7 @@ refill_cluster: goto loop; } +unclustered_alloc: offset = btrfs_find_space_for_alloc(block_group, search_start, num_bytes, empty_size); /* @@ -5416,14 +5410,14 @@ checks: search_start = stripe_align(root, offset); /* move on to the next group */ if (search_start + num_bytes >= search_end) { - btrfs_add_free_space(block_group, offset, num_bytes); + btrfs_add_free_space(used_block_group, offset, num_bytes); goto loop; } /* move on to the next group */ if (search_start + num_bytes > - block_group->key.objectid + block_group->key.offset) { - btrfs_add_free_space(block_group, offset, num_bytes); + used_block_group->key.objectid + used_block_group->key.offset) { + btrfs_add_free_space(used_block_group, offset, num_bytes); goto loop; } @@ -5431,14 +5425,14 @@ checks: ins->offset = num_bytes; if (offset < search_start) - btrfs_add_free_space(block_group, offset, + btrfs_add_free_space(used_block_group, offset, search_start - offset); BUG_ON(offset > search_start); - ret = btrfs_update_reserved_bytes(block_group, num_bytes, + ret = btrfs_update_reserved_bytes(used_block_group, num_bytes, alloc_type); if (ret == -EAGAIN) { - btrfs_add_free_space(block_group, offset, num_bytes); + btrfs_add_free_space(used_block_group, offset, num_bytes); goto loop; } @@ -5447,15 +5441,19 @@ checks: ins->offset = num_bytes; if (offset < search_start) - btrfs_add_free_space(block_group, offset, + btrfs_add_free_space(used_block_group, offset, search_start - offset); BUG_ON(offset > search_start); + if (used_block_group != block_group) + btrfs_put_block_group(used_block_group); btrfs_put_block_group(block_group); break; loop: failed_cluster_refill = false; failed_alloc = false; BUG_ON(index != get_block_group_index(block_group)); + if (used_block_group != block_group) + btrfs_put_block_group(used_block_group); btrfs_put_block_group(block_group); } up_read(&space_info->groups_sem); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index be1bf627a14b..49f3c9dc09f4 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -935,8 +935,10 @@ again: node = tree_search(tree, start); if (!node) { prealloc = alloc_extent_state_atomic(prealloc); - if (!prealloc) - return -ENOMEM; + if (!prealloc) { + err = -ENOMEM; + goto out; + } err = insert_state(tree, prealloc, start, end, &bits); prealloc = NULL; BUG_ON(err == -EEXIST); @@ -992,8 +994,10 @@ hit_next: */ if (state->start < start) { prealloc = alloc_extent_state_atomic(prealloc); - if (!prealloc) - return -ENOMEM; + if (!prealloc) { + err = -ENOMEM; + goto out; + } err = split_state(tree, state, prealloc, start); BUG_ON(err == -EEXIST); prealloc = NULL; @@ -1024,8 +1028,10 @@ hit_next: this_end = last_start - 1; prealloc = alloc_extent_state_atomic(prealloc); - if (!prealloc) - return -ENOMEM; + if (!prealloc) { + err = -ENOMEM; + goto out; + } /* * Avoid to free 'prealloc' if it can be merged with @@ -1051,8 +1057,10 @@ hit_next: */ if (state->start <= end && state->end > end) { prealloc = alloc_extent_state_atomic(prealloc); - if (!prealloc) - return -ENOMEM; + if (!prealloc) { + err = -ENOMEM; + goto out; + } err = split_state(tree, state, prealloc, end + 1); BUG_ON(err == -EEXIST); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c37433d3cd82..0a8c8f8304b1 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1611,7 +1611,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) if ((sb->s_flags & MS_RDONLY) && !root->fs_info->fs_devices->seeding) return -EINVAL; - bdev = blkdev_get_by_path(device_path, FMODE_EXCL, + bdev = blkdev_get_by_path(device_path, FMODE_WRITE | FMODE_EXCL, root->fs_info->bdev_holder); if (IS_ERR(bdev)) return PTR_ERR(bdev); diff --git a/fs/dcache.c b/fs/dcache.c index 10ba92def3f6..89509b5a090e 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -2439,16 +2439,14 @@ static int prepend_name(char **buffer, int *buflen, struct qstr *name) /** * prepend_path - Prepend path string to a buffer * @path: the dentry/vfsmount to report - * @root: root vfsmnt/dentry (may be modified by this function) + * @root: root vfsmnt/dentry * @buffer: pointer to the end of the buffer * @buflen: pointer to buffer length * * Caller holds the rename_lock. - * - * If path is not reachable from the supplied root, then the value of - * root is changed (without modifying refcounts). */ -static int prepend_path(const struct path *path, struct path *root, +static int prepend_path(const struct path *path, + const struct path *root, char **buffer, int *buflen) { struct dentry *dentry = path->dentry; @@ -2483,10 +2481,10 @@ static int prepend_path(const struct path *path, struct path *root, dentry = parent; } -out: if (!error && !slash) error = prepend(buffer, buflen, "/", 1); +out: br_read_unlock(vfsmount_lock); return error; @@ -2500,15 +2498,17 @@ global_root: WARN(1, "Root dentry has weird name <%.*s>\n", (int) dentry->d_name.len, dentry->d_name.name); } - root->mnt = vfsmnt; - root->dentry = dentry; + if (!slash) + error = prepend(buffer, buflen, "/", 1); + if (!error) + error = vfsmnt->mnt_ns ? 1 : 2; goto out; } /** * __d_path - return the path of a dentry * @path: the dentry/vfsmount to report - * @root: root vfsmnt/dentry (may be modified by this function) + * @root: root vfsmnt/dentry * @buf: buffer to return value in * @buflen: buffer length * @@ -2519,10 +2519,10 @@ global_root: * * "buflen" should be positive. * - * If path is not reachable from the supplied root, then the value of - * root is changed (without modifying refcounts). + * If the path is not reachable from the supplied root, return %NULL. */ -char *__d_path(const struct path *path, struct path *root, +char *__d_path(const struct path *path, + const struct path *root, char *buf, int buflen) { char *res = buf + buflen; @@ -2533,7 +2533,28 @@ char *__d_path(const struct path *path, struct path *root, error = prepend_path(path, root, &res, &buflen); write_sequnlock(&rename_lock); - if (error) + if (error < 0) + return ERR_PTR(error); + if (error > 0) + return NULL; + return res; +} + +char *d_absolute_path(const struct path *path, + char *buf, int buflen) +{ + struct path root = {}; + char *res = buf + buflen; + int error; + + prepend(&res, &buflen, "\0", 1); + write_seqlock(&rename_lock); + error = prepend_path(path, &root, &res, &buflen); + write_sequnlock(&rename_lock); + + if (error > 1) + error = -EINVAL; + if (error < 0) return ERR_PTR(error); return res; } @@ -2541,8 +2562,9 @@ char *__d_path(const struct path *path, struct path *root, /* * same as __d_path but appends "(deleted)" for unlinked files. */ -static int path_with_deleted(const struct path *path, struct path *root, - char **buf, int *buflen) +static int path_with_deleted(const struct path *path, + const struct path *root, + char **buf, int *buflen) { prepend(buf, buflen, "\0", 1); if (d_unlinked(path->dentry)) { @@ -2579,7 +2601,6 @@ char *d_path(const struct path *path, char *buf, int buflen) { char *res = buf + buflen; struct path root; - struct path tmp; int error; /* @@ -2594,9 +2615,8 @@ char *d_path(const struct path *path, char *buf, int buflen) get_fs_root(current->fs, &root); write_seqlock(&rename_lock); - tmp = root; - error = path_with_deleted(path, &tmp, &res, &buflen); - if (error) + error = path_with_deleted(path, &root, &res, &buflen); + if (error < 0) res = ERR_PTR(error); write_sequnlock(&rename_lock); path_put(&root); @@ -2617,7 +2637,6 @@ char *d_path_with_unreachable(const struct path *path, char *buf, int buflen) { char *res = buf + buflen; struct path root; - struct path tmp; int error; if (path->dentry->d_op && path->dentry->d_op->d_dname) @@ -2625,9 +2644,8 @@ char *d_path_with_unreachable(const struct path *path, char *buf, int buflen) get_fs_root(current->fs, &root); write_seqlock(&rename_lock); - tmp = root; - error = path_with_deleted(path, &tmp, &res, &buflen); - if (!error && !path_equal(&tmp, &root)) + error = path_with_deleted(path, &root, &res, &buflen); + if (error > 0) error = prepend_unreachable(&res, &buflen); write_sequnlock(&rename_lock); path_put(&root); @@ -2758,19 +2776,18 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size) write_seqlock(&rename_lock); if (!d_unlinked(pwd.dentry)) { unsigned long len; - struct path tmp = root; char *cwd = page + PAGE_SIZE; int buflen = PAGE_SIZE; prepend(&cwd, &buflen, "\0", 1); - error = prepend_path(&pwd, &tmp, &cwd, &buflen); + error = prepend_path(&pwd, &root, &cwd, &buflen); write_sequnlock(&rename_lock); - if (error) + if (error < 0) goto out; /* Unreachable from current root */ - if (!path_equal(&tmp, &root)) { + if (error > 0) { error = prepend_unreachable(&cwd, &buflen); if (error) goto out; diff --git a/fs/namespace.c b/fs/namespace.c index 6d3a1963879b..cfc6d4448aa5 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1048,15 +1048,12 @@ static int show_mountinfo(struct seq_file *m, void *v) if (err) goto out; seq_putc(m, ' '); - seq_path_root(m, &mnt_path, &root, " \t\n\\"); - if (root.mnt != p->root.mnt || root.dentry != p->root.dentry) { - /* - * Mountpoint is outside root, discard that one. Ugly, - * but less so than trying to do that in iterator in a - * race-free way (due to renames). - */ - return SEQ_SKIP; - } + + /* mountpoints outside of chroot jail will give SEQ_SKIP on this */ + err = seq_path_root(m, &mnt_path, &root, " \t\n\\"); + if (err) + goto out; + seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw"); show_mnt_opts(m, mnt); @@ -2776,3 +2773,8 @@ void kern_unmount(struct vfsmount *mnt) } } EXPORT_SYMBOL(kern_unmount); + +bool our_mnt(struct vfsmount *mnt) +{ + return check_mnt(mnt); +} diff --git a/fs/seq_file.c b/fs/seq_file.c index 05d6b0e78c95..dba43c3ea3af 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -449,8 +449,6 @@ EXPORT_SYMBOL(seq_path); /* * Same as seq_path, but relative to supplied root. - * - * root may be changed, see __d_path(). */ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, char *esc) @@ -463,6 +461,8 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, char *p; p = __d_path(path, root, buf, size); + if (!p) + return SEQ_SKIP; res = PTR_ERR(p); if (!IS_ERR(p)) { char *end = mangle_path(buf, p, esc); @@ -474,7 +474,7 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, } seq_commit(m, res); - return res < 0 ? res : 0; + return res < 0 && res != -ENAMETOOLONG ? res : 0; } /* diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index c68baeb0974a..d0ab78837057 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -2383,6 +2383,8 @@ xfs_bmap_btalloc( int tryagain; int error; + ASSERT(ap->length); + mp = ap->ip->i_mount; align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0; if (unlikely(align)) { @@ -4629,6 +4631,8 @@ xfs_bmapi_allocate( int error; int rt; + ASSERT(bma->length > 0); + rt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(bma->ip); /* @@ -4849,6 +4853,7 @@ xfs_bmapi_write( ASSERT(*nmap <= XFS_BMAP_MAX_NMAP); ASSERT(!(flags & XFS_BMAPI_IGSTATE)); ASSERT(tp != NULL); + ASSERT(len > 0); whichfork = (flags & XFS_BMAPI_ATTRFORK) ? XFS_ATTR_FORK : XFS_DATA_FORK; @@ -4918,9 +4923,22 @@ xfs_bmapi_write( bma.eof = eof; bma.conv = !!(flags & XFS_BMAPI_CONVERT); bma.wasdel = wasdelay; - bma.length = len; bma.offset = bno; + /* + * There's a 32/64 bit type mismatch between the + * allocation length request (which can be 64 bits in + * length) and the bma length request, which is + * xfs_extlen_t and therefore 32 bits. Hence we have to + * check for 32-bit overflows and handle them here. + */ + if (len > (xfs_filblks_t)MAXEXTLEN) + bma.length = MAXEXTLEN; + else + bma.length = len; + + ASSERT(len > 0); + ASSERT(bma.length > 0); error = xfs_bmapi_allocate(&bma, flags); if (error) goto error0; diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c index da108977b21f..558910f5e3c0 100644 --- a/fs/xfs/xfs_export.c +++ b/fs/xfs/xfs_export.c @@ -98,22 +98,22 @@ xfs_fs_encode_fh( switch (fileid_type) { case FILEID_INO32_GEN_PARENT: spin_lock(&dentry->d_lock); - fid->i32.parent_ino = dentry->d_parent->d_inode->i_ino; + fid->i32.parent_ino = XFS_I(dentry->d_parent->d_inode)->i_ino; fid->i32.parent_gen = dentry->d_parent->d_inode->i_generation; spin_unlock(&dentry->d_lock); /*FALLTHRU*/ case FILEID_INO32_GEN: - fid->i32.ino = inode->i_ino; + fid->i32.ino = XFS_I(inode)->i_ino; fid->i32.gen = inode->i_generation; break; case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG: spin_lock(&dentry->d_lock); - fid64->parent_ino = dentry->d_parent->d_inode->i_ino; + fid64->parent_ino = XFS_I(dentry->d_parent->d_inode)->i_ino; fid64->parent_gen = dentry->d_parent->d_inode->i_generation; spin_unlock(&dentry->d_lock); /*FALLTHRU*/ case FILEID_INO32_GEN | XFS_FILEID_TYPE_64FLAG: - fid64->ino = inode->i_ino; + fid64->ino = XFS_I(inode)->i_ino; fid64->gen = inode->i_generation; break; } diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index a14cd89fe465..34817adf4b9e 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -150,6 +150,117 @@ xlog_grant_add_space( } while (head_val != old); } +STATIC bool +xlog_reserveq_wake( + struct log *log, + int *free_bytes) +{ + struct xlog_ticket *tic; + int need_bytes; + + list_for_each_entry(tic, &log->l_reserveq, t_queue) { + if (tic->t_flags & XLOG_TIC_PERM_RESERV) + need_bytes = tic->t_unit_res * tic->t_cnt; + else + need_bytes = tic->t_unit_res; + + if (*free_bytes < need_bytes) + return false; + *free_bytes -= need_bytes; + + trace_xfs_log_grant_wake_up(log, tic); + wake_up(&tic->t_wait); + } + + return true; +} + +STATIC bool +xlog_writeq_wake( + struct log *log, + int *free_bytes) +{ + struct xlog_ticket *tic; + int need_bytes; + + list_for_each_entry(tic, &log->l_writeq, t_queue) { + ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV); + + need_bytes = tic->t_unit_res; + + if (*free_bytes < need_bytes) + return false; + *free_bytes -= need_bytes; + + trace_xfs_log_regrant_write_wake_up(log, tic); + wake_up(&tic->t_wait); + } + + return true; +} + +STATIC int +xlog_reserveq_wait( + struct log *log, + struct xlog_ticket *tic, + int need_bytes) +{ + list_add_tail(&tic->t_queue, &log->l_reserveq); + + do { + if (XLOG_FORCED_SHUTDOWN(log)) + goto shutdown; + xlog_grant_push_ail(log, need_bytes); + + XFS_STATS_INC(xs_sleep_logspace); + trace_xfs_log_grant_sleep(log, tic); + + xlog_wait(&tic->t_wait, &log->l_grant_reserve_lock); + trace_xfs_log_grant_wake(log, tic); + + spin_lock(&log->l_grant_reserve_lock); + if (XLOG_FORCED_SHUTDOWN(log)) + goto shutdown; + } while (xlog_space_left(log, &log->l_grant_reserve_head) < need_bytes); + + list_del_init(&tic->t_queue); + return 0; +shutdown: + list_del_init(&tic->t_queue); + return XFS_ERROR(EIO); +} + +STATIC int +xlog_writeq_wait( + struct log *log, + struct xlog_ticket *tic, + int need_bytes) +{ + list_add_tail(&tic->t_queue, &log->l_writeq); + + do { + if (XLOG_FORCED_SHUTDOWN(log)) + goto shutdown; + xlog_grant_push_ail(log, need_bytes); + + XFS_STATS_INC(xs_sleep_logspace); + trace_xfs_log_regrant_write_sleep(log, tic); + + xlog_wait(&tic->t_wait, &log->l_grant_write_lock); + trace_xfs_log_regrant_write_wake(log, tic); + + spin_lock(&log->l_grant_write_lock); + if (XLOG_FORCED_SHUTDOWN(log)) + goto shutdown; + } while (xlog_space_left(log, &log->l_grant_write_head) < need_bytes); + + list_del_init(&tic->t_queue); + return 0; +shutdown: + list_del_init(&tic->t_queue); + return XFS_ERROR(EIO); +} + static void xlog_tic_reset_res(xlog_ticket_t *tic) { @@ -350,8 +461,19 @@ xfs_log_reserve( retval = xlog_grant_log_space(log, internal_ticket); } + if (unlikely(retval)) { + /* + * If we are failing, make sure the ticket doesn't have any + * current reservations. We don't want to add this back + * when the ticket/ transaction gets cancelled. + */ + internal_ticket->t_curr_res = 0; + /* ungrant will give back unit_res * t_cnt. */ + internal_ticket->t_cnt = 0; + } + return retval; -} /* xfs_log_reserve */ +} /* @@ -2481,8 +2603,8 @@ restart: /* * Atomically get the log space required for a log ticket. * - * Once a ticket gets put onto the reserveq, it will only return after - * the needed reservation is satisfied. + * Once a ticket gets put onto the reserveq, it will only return after the + * needed reservation is satisfied. * * This function is structured so that it has a lock free fast path. This is * necessary because every new transaction reservation will come through this @@ -2490,113 +2612,53 @@ restart: * every pass. * * As tickets are only ever moved on and off the reserveq under the - * l_grant_reserve_lock, we only need to take that lock if we are going - * to add the ticket to the queue and sleep. We can avoid taking the lock if the - * ticket was never added to the reserveq because the t_queue list head will be - * empty and we hold the only reference to it so it can safely be checked - * unlocked. + * l_grant_reserve_lock, we only need to take that lock if we are going to add + * the ticket to the queue and sleep. We can avoid taking the lock if the ticket + * was never added to the reserveq because the t_queue list head will be empty + * and we hold the only reference to it so it can safely be checked unlocked. */ STATIC int -xlog_grant_log_space(xlog_t *log, - xlog_ticket_t *tic) +xlog_grant_log_space( + struct log *log, + struct xlog_ticket *tic) { - int free_bytes; - int need_bytes; + int free_bytes, need_bytes; + int error = 0; -#ifdef DEBUG - if (log->l_flags & XLOG_ACTIVE_RECOVERY) - panic("grant Recovery problem"); -#endif + ASSERT(!(log->l_flags & XLOG_ACTIVE_RECOVERY)); trace_xfs_log_grant_enter(log, tic); + /* + * If there are other waiters on the queue then give them a chance at + * logspace before us. Wake up the first waiters, if we do not wake + * up all the waiters then go to sleep waiting for more free space, + * otherwise try to get some space for this transaction. + */ need_bytes = tic->t_unit_res; if (tic->t_flags & XFS_LOG_PERM_RESERV) need_bytes *= tic->t_ocnt; - - /* something is already sleeping; insert new transaction at end */ - if (!list_empty_careful(&log->l_reserveq)) { - spin_lock(&log->l_grant_reserve_lock); - /* recheck the queue now we are locked */ - if (list_empty(&log->l_reserveq)) { - spin_unlock(&log->l_grant_reserve_lock); - goto redo; - } - list_add_tail(&tic->t_queue, &log->l_reserveq); - - trace_xfs_log_grant_sleep1(log, tic); - - /* - * Gotta check this before going to sleep, while we're - * holding the grant lock. - */ - if (XLOG_FORCED_SHUTDOWN(log)) - goto error_return; - - XFS_STATS_INC(xs_sleep_logspace); - xlog_wait(&tic->t_wait, &log->l_grant_reserve_lock); - - /* - * If we got an error, and the filesystem is shutting down, - * we'll catch it down below. So just continue... - */ - trace_xfs_log_grant_wake1(log, tic); - } - -redo: - if (XLOG_FORCED_SHUTDOWN(log)) - goto error_return_unlocked; - free_bytes = xlog_space_left(log, &log->l_grant_reserve_head); - if (free_bytes < need_bytes) { + if (!list_empty_careful(&log->l_reserveq)) { spin_lock(&log->l_grant_reserve_lock); - if (list_empty(&tic->t_queue)) - list_add_tail(&tic->t_queue, &log->l_reserveq); - - trace_xfs_log_grant_sleep2(log, tic); - - if (XLOG_FORCED_SHUTDOWN(log)) - goto error_return; - - xlog_grant_push_ail(log, need_bytes); - - XFS_STATS_INC(xs_sleep_logspace); - xlog_wait(&tic->t_wait, &log->l_grant_reserve_lock); - - trace_xfs_log_grant_wake2(log, tic); - goto redo; - } - - if (!list_empty(&tic->t_queue)) { + if (!xlog_reserveq_wake(log, &free_bytes) || + free_bytes < need_bytes) + error = xlog_reserveq_wait(log, tic, need_bytes); + spin_unlock(&log->l_grant_reserve_lock); + } else if (free_bytes < need_bytes) { spin_lock(&log->l_grant_reserve_lock); - list_del_init(&tic->t_queue); + error = xlog_reserveq_wait(log, tic, need_bytes); spin_unlock(&log->l_grant_reserve_lock); } + if (error) + return error; - /* we've got enough space */ xlog_grant_add_space(log, &log->l_grant_reserve_head, need_bytes); xlog_grant_add_space(log, &log->l_grant_write_head, need_bytes); trace_xfs_log_grant_exit(log, tic); xlog_verify_grant_tail(log); return 0; - -error_return_unlocked: - spin_lock(&log->l_grant_reserve_lock); -error_return: - list_del_init(&tic->t_queue); - spin_unlock(&log->l_grant_reserve_lock); - trace_xfs_log_grant_error(log, tic); - - /* - * If we are failing, make sure the ticket doesn't have any - * current reservations. We don't want to add this back when - * the ticket/transaction gets cancelled. - */ - tic->t_curr_res = 0; - tic->t_cnt = 0; /* ungrant will give back unit_res * t_cnt. */ - return XFS_ERROR(EIO); -} /* xlog_grant_log_space */ - +} /* * Replenish the byte reservation required by moving the grant write head. @@ -2605,10 +2667,12 @@ error_return: * free fast path. */ STATIC int -xlog_regrant_write_log_space(xlog_t *log, - xlog_ticket_t *tic) +xlog_regrant_write_log_space( + struct log *log, + struct xlog_ticket *tic) { - int free_bytes, need_bytes; + int free_bytes, need_bytes; + int error = 0; tic->t_curr_res = tic->t_unit_res; xlog_tic_reset_res(tic); @@ -2616,104 +2680,38 @@ xlog_regrant_write_log_space(xlog_t *log, if (tic->t_cnt > 0) return 0; -#ifdef DEBUG - if (log->l_flags & XLOG_ACTIVE_RECOVERY) - panic("regrant Recovery problem"); -#endif + ASSERT(!(log->l_flags & XLOG_ACTIVE_RECOVERY)); trace_xfs_log_regrant_write_enter(log, tic); - if (XLOG_FORCED_SHUTDOWN(log)) - goto error_return_unlocked; - /* If there are other waiters on the queue then give them a - * chance at logspace before us. Wake up the first waiters, - * if we do not wake up all the waiters then go to sleep waiting - * for more free space, otherwise try to get some space for - * this transaction. + /* + * If there are other waiters on the queue then give them a chance at + * logspace before us. Wake up the first waiters, if we do not wake + * up all the waiters then go to sleep waiting for more free space, + * otherwise try to get some space for this transaction. */ need_bytes = tic->t_unit_res; - if (!list_empty_careful(&log->l_writeq)) { - struct xlog_ticket *ntic; - - spin_lock(&log->l_grant_write_lock); - free_bytes = xlog_space_left(log, &log->l_grant_write_head); - list_for_each_entry(ntic, &log->l_writeq, t_queue) { - ASSERT(ntic->t_flags & XLOG_TIC_PERM_RESERV); - - if (free_bytes < ntic->t_unit_res) - break; - free_bytes -= ntic->t_unit_res; - wake_up(&ntic->t_wait); - } - - if (ntic != list_first_entry(&log->l_writeq, - struct xlog_ticket, t_queue)) { - if (list_empty(&tic->t_queue)) - list_add_tail(&tic->t_queue, &log->l_writeq); - trace_xfs_log_regrant_write_sleep1(log, tic); - - xlog_grant_push_ail(log, need_bytes); - - XFS_STATS_INC(xs_sleep_logspace); - xlog_wait(&tic->t_wait, &log->l_grant_write_lock); - trace_xfs_log_regrant_write_wake1(log, tic); - } else - spin_unlock(&log->l_grant_write_lock); - } - -redo: - if (XLOG_FORCED_SHUTDOWN(log)) - goto error_return_unlocked; - free_bytes = xlog_space_left(log, &log->l_grant_write_head); - if (free_bytes < need_bytes) { + if (!list_empty_careful(&log->l_writeq)) { spin_lock(&log->l_grant_write_lock); - if (list_empty(&tic->t_queue)) - list_add_tail(&tic->t_queue, &log->l_writeq); - - if (XLOG_FORCED_SHUTDOWN(log)) - goto error_return; - - xlog_grant_push_ail(log, need_bytes); - - XFS_STATS_INC(xs_sleep_logspace); - trace_xfs_log_regrant_write_sleep2(log, tic); - xlog_wait(&tic->t_wait, &log->l_grant_write_lock); - - trace_xfs_log_regrant_write_wake2(log, tic); - goto redo; - } - - if (!list_empty(&tic->t_queue)) { + if (!xlog_writeq_wake(log, &free_bytes) || + free_bytes < need_bytes) + error = xlog_writeq_wait(log, tic, need_bytes); + spin_unlock(&log->l_grant_write_lock); + } else if (free_bytes < need_bytes) { spin_lock(&log->l_grant_write_lock); - list_del_init(&tic->t_queue); + error = xlog_writeq_wait(log, tic, need_bytes); spin_unlock(&log->l_grant_write_lock); } - /* we've got enough space */ + if (error) + return error; + xlog_grant_add_space(log, &log->l_grant_write_head, need_bytes); trace_xfs_log_regrant_write_exit(log, tic); xlog_verify_grant_tail(log); return 0; - - - error_return_unlocked: - spin_lock(&log->l_grant_write_lock); - error_return: - list_del_init(&tic->t_queue); - spin_unlock(&log->l_grant_write_lock); - trace_xfs_log_regrant_write_error(log, tic); - - /* - * If we are failing, make sure the ticket doesn't have any - * current reservations. We don't want to add this back when - * the ticket/transaction gets cancelled. - */ - tic->t_curr_res = 0; - tic->t_cnt = 0; /* ungrant will give back unit_res * t_cnt. */ - return XFS_ERROR(EIO); -} /* xlog_regrant_write_log_space */ - +} /* The first cnt-1 times through here we don't need to * move the grant write head because the permanent diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index f1d2802b2f07..494035798873 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -834,18 +834,14 @@ DEFINE_LOGGRANT_EVENT(xfs_log_umount_write); DEFINE_LOGGRANT_EVENT(xfs_log_grant_enter); DEFINE_LOGGRANT_EVENT(xfs_log_grant_exit); DEFINE_LOGGRANT_EVENT(xfs_log_grant_error); -DEFINE_LOGGRANT_EVENT(xfs_log_grant_sleep1); -DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake1); -DEFINE_LOGGRANT_EVENT(xfs_log_grant_sleep2); -DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake2); +DEFINE_LOGGRANT_EVENT(xfs_log_grant_sleep); +DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake); DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake_up); DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_enter); DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_exit); DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_error); -DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_sleep1); -DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake1); -DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_sleep2); -DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake2); +DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_sleep); +DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake); DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake_up); DEFINE_LOGGRANT_EVENT(xfs_log_regrant_reserve_enter); DEFINE_LOGGRANT_EVENT(xfs_log_regrant_reserve_exit); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 4df926199369..ed9f74f6c519 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -339,7 +339,8 @@ extern int d_validate(struct dentry *, struct dentry *); */ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); -extern char *__d_path(const struct path *path, struct path *root, char *, int); +extern char *__d_path(const struct path *, const struct path *, char *, int); +extern char *d_absolute_path(const struct path *, char *, int); extern char *d_path(const struct path *, char *, int); extern char *d_path_with_unreachable(const struct path *, char *, int); extern char *dentry_path_raw(struct dentry *, char *, int); diff --git a/include/linux/fs.h b/include/linux/fs.h index e3130220ce3e..019dc558df1a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1942,6 +1942,7 @@ extern int fd_statfs(int, struct kstatfs *); extern int statfs_by_dentry(struct dentry *, struct kstatfs *); extern int freeze_super(struct super_block *super); extern int thaw_super(struct super_block *super); +extern bool our_mnt(struct vfsmount *mnt); extern int current_umask(void); diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 96efa6794ea5..c3da42dd22ba 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -172,6 +172,7 @@ enum { TRACE_EVENT_FL_FILTERED_BIT, TRACE_EVENT_FL_RECORDED_CMD_BIT, TRACE_EVENT_FL_CAP_ANY_BIT, + TRACE_EVENT_FL_NO_SET_FILTER_BIT, }; enum { @@ -179,6 +180,7 @@ enum { TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), TRACE_EVENT_FL_RECORDED_CMD = (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT), TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), + TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), }; struct ftrace_event_call { diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 7f5fed3c89e1..6873c7dd9145 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -103,9 +103,10 @@ enum se_cmd_flags_table { SCF_SCSI_NON_DATA_CDB = 0x00000040, SCF_SCSI_CDB_EXCEPTION = 0x00000080, SCF_SCSI_RESERVATION_CONFLICT = 0x00000100, - SCF_SE_CMD_FAILED = 0x00000400, + SCF_FUA = 0x00000200, SCF_SE_LUN_CMD = 0x00000800, SCF_SE_ALLOW_EOO = 0x00001000, + SCF_BIDI = 0x00002000, SCF_SENT_CHECK_CONDITION = 0x00004000, SCF_OVERFLOW_BIT = 0x00008000, SCF_UNDERFLOW_BIT = 0x00010000, @@ -154,6 +155,7 @@ enum tcm_sense_reason_table { TCM_CHECK_CONDITION_ABORT_CMD = 0x0d, TCM_CHECK_CONDITION_UNIT_ATTENTION = 0x0e, TCM_CHECK_CONDITION_NOT_READY = 0x0f, + TCM_RESERVATION_CONFLICT = 0x10, }; struct se_obj { @@ -211,7 +213,6 @@ struct t10_alua_lu_gp { u16 lu_gp_id; int lu_gp_valid_id; u32 lu_gp_members; - atomic_t lu_gp_shutdown; atomic_t lu_gp_ref_cnt; spinlock_t lu_gp_lock; struct config_group lu_gp_group; @@ -422,11 +423,9 @@ struct se_cmd { int sam_task_attr; /* Transport protocol dependent state, see transport_state_table */ enum transport_state_table t_state; - /* Transport specific error status */ - int transport_error_status; /* Used to signal cmd->se_tfo->check_release_cmd() usage per cmd */ - int check_release:1; - int cmd_wait_set:1; + unsigned check_release:1; + unsigned cmd_wait_set:1; /* See se_cmd_flags_table */ u32 se_cmd_flags; u32 se_ordered_id; @@ -441,13 +440,10 @@ struct se_cmd { /* Used for sense data */ void *sense_buffer; struct list_head se_delayed_node; - struct list_head se_ordered_node; struct list_head se_lun_node; struct list_head se_qf_node; struct se_device *se_dev; struct se_dev_entry *se_deve; - struct se_device *se_obj_ptr; - struct se_device *se_orig_obj_ptr; struct se_lun *se_lun; /* Only used for internal passthrough and legacy TCM fabric modules */ struct se_session *se_sess; @@ -463,8 +459,6 @@ struct se_cmd { unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE]; unsigned long long t_task_lba; int t_tasks_failed; - int t_tasks_fua; - bool t_tasks_bidi; u32 t_tasks_sg_chained_no; atomic_t t_fe_count; atomic_t t_se_count; @@ -489,14 +483,6 @@ struct se_cmd { struct work_struct work; - /* - * Used for pre-registered fabric SGL passthrough WRITE and READ - * with the special SCF_PASSTHROUGH_CONTIG_TO_SG case for TCM_Loop - * and other HW target mode fabric modules. - */ - struct scatterlist *t_task_pt_sgl; - u32 t_task_pt_sgl_num; - struct scatterlist *t_data_sg; unsigned int t_data_nents; struct scatterlist *t_bidi_data_sg; @@ -562,7 +548,7 @@ struct se_node_acl { } ____cacheline_aligned; struct se_session { - int sess_tearing_down:1; + unsigned sess_tearing_down:1; u64 sess_bin_isid; struct se_node_acl *se_node_acl; struct se_portal_group *se_tpg; @@ -683,7 +669,6 @@ struct se_subsystem_dev { struct t10_reservation t10_pr; spinlock_t se_dev_lock; void *se_dev_su_ptr; - struct list_head se_dev_node; struct config_group se_dev_group; /* For T10 Reservations */ struct config_group se_dev_pr_group; @@ -692,9 +677,6 @@ struct se_subsystem_dev { } ____cacheline_aligned; struct se_device { - /* Set to 1 if thread is NOT sleeping on thread_sem */ - u8 thread_active; - u8 dev_status_timer_flags; /* RELATIVE TARGET PORT IDENTIFER Counter */ u16 dev_rpti_counter; /* Used for SAM Task Attribute ordering */ @@ -719,14 +701,10 @@ struct se_device { u64 write_bytes; spinlock_t stats_lock; /* Active commands on this virtual SE device */ - atomic_t active_cmds; atomic_t simple_cmds; atomic_t depth_left; atomic_t dev_ordered_id; - atomic_t dev_tur_active; atomic_t execute_tasks; - atomic_t dev_status_thr_count; - atomic_t dev_hoq_count; atomic_t dev_ordered_sync; atomic_t dev_qf_count; struct se_obj dev_obj; @@ -734,14 +712,9 @@ struct se_device { struct se_obj dev_export_obj; struct se_queue_obj dev_queue_obj; spinlock_t delayed_cmd_lock; - spinlock_t ordered_cmd_lock; spinlock_t execute_task_lock; - spinlock_t state_task_lock; - spinlock_t dev_alua_lock; spinlock_t dev_reservation_lock; - spinlock_t dev_state_lock; spinlock_t dev_status_lock; - spinlock_t dev_status_thr_lock; spinlock_t se_port_lock; spinlock_t se_tmr_lock; spinlock_t qf_cmd_lock; @@ -753,14 +726,10 @@ struct se_device { struct t10_pr_registration *dev_pr_res_holder; struct list_head dev_sep_list; struct list_head dev_tmr_list; - struct timer_list dev_status_timer; /* Pointer to descriptor for processing thread */ struct task_struct *process_thread; - pid_t process_thread_pid; - struct task_struct *dev_mgmt_thread; struct work_struct qf_work_queue; struct list_head delayed_cmd_list; - struct list_head ordered_cmd_list; struct list_head execute_task_list; struct list_head state_task_list; struct list_head qf_cmd_list; @@ -771,8 +740,6 @@ struct se_device { struct se_subsystem_api *transport; /* Linked list for struct se_hba struct se_device list */ struct list_head dev_list; - /* Linked list for struct se_global->g_se_dev_list */ - struct list_head g_se_dev_list; } ____cacheline_aligned; struct se_hba { @@ -834,7 +801,6 @@ struct se_port { u32 sep_index; struct scsi_port_stats sep_stats; /* Used for ALUA Target Port Groups membership */ - atomic_t sep_tg_pt_gp_active; atomic_t sep_tg_pt_secondary_offline; /* Used for PR ALL_TG_PT=1 */ atomic_t sep_tg_pt_ref_cnt; diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h index c16e9431dd01..dac4f2d859fd 100644 --- a/include/target/target_core_transport.h +++ b/include/target/target_core_transport.h @@ -10,29 +10,6 @@ #define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */ -#define PYX_TRANSPORT_SENT_TO_TRANSPORT 0 -#define PYX_TRANSPORT_WRITE_PENDING 1 - -#define PYX_TRANSPORT_UNKNOWN_SAM_OPCODE -1 -#define PYX_TRANSPORT_HBA_QUEUE_FULL -2 -#define PYX_TRANSPORT_REQ_TOO_MANY_SECTORS -3 -#define PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES -4 -#define PYX_TRANSPORT_INVALID_CDB_FIELD -5 -#define PYX_TRANSPORT_INVALID_PARAMETER_LIST -6 -#define PYX_TRANSPORT_LU_COMM_FAILURE -7 -#define PYX_TRANSPORT_UNKNOWN_MODE_PAGE -8 -#define PYX_TRANSPORT_WRITE_PROTECTED -9 -#define PYX_TRANSPORT_RESERVATION_CONFLICT -10 -#define PYX_TRANSPORT_ILLEGAL_REQUEST -11 -#define PYX_TRANSPORT_USE_SENSE_REASON -12 - -#ifndef SAM_STAT_RESERVATION_CONFLICT -#define SAM_STAT_RESERVATION_CONFLICT 0x18 -#endif - -#define TRANSPORT_PLUGIN_FREE 0 -#define TRANSPORT_PLUGIN_REGISTERED 1 - #define TRANSPORT_PLUGIN_PHBA_PDEV 1 #define TRANSPORT_PLUGIN_VHBA_PDEV 2 #define TRANSPORT_PLUGIN_VHBA_VDEV 3 @@ -158,7 +135,6 @@ extern int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *); extern int transport_handle_cdb_direct(struct se_cmd *); extern int transport_generic_handle_cdb_map(struct se_cmd *); extern int transport_generic_handle_data(struct se_cmd *); -extern void transport_new_cmd_failure(struct se_cmd *); extern int transport_generic_handle_tmr(struct se_cmd *); extern bool target_stop_task(struct se_task *task, unsigned long *flags); extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32, diff --git a/kernel/jump_label.c b/kernel/jump_label.c index bbdfe2a462a0..66ff7109f697 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -66,8 +66,9 @@ void jump_label_inc(struct jump_label_key *key) return; jump_label_lock(); - if (atomic_add_return(1, &key->enabled) == 1) + if (atomic_read(&key->enabled) == 0) jump_label_update(key, JUMP_LABEL_ENABLE); + atomic_inc(&key->enabled); jump_label_unlock(); } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 900b409543db..b1e8943fed1d 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -152,7 +152,6 @@ void clear_ftrace_function(void) ftrace_pid_function = ftrace_stub; } -#undef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST #ifndef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST /* * For those archs that do not test ftrace_trace_stop in their @@ -1212,7 +1211,9 @@ ftrace_hash_move(struct ftrace_ops *ops, int enable, if (!src->count) { free_ftrace_hash_rcu(*dst); rcu_assign_pointer(*dst, EMPTY_HASH); - return 0; + /* still need to update the function records */ + ret = 0; + goto out; } /* diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 581876f9f387..c212a7f934ec 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1078,7 +1078,6 @@ event_subsystem_dir(const char *name, struct dentry *d_events) /* First see if we did not already create this dir */ list_for_each_entry(system, &event_subsystems, list) { if (strcmp(system->name, name) == 0) { - __get_system(system); system->nr_events++; return system->entry; } diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index d6e7926dcd26..95dc31efd6dd 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1649,7 +1649,9 @@ static int replace_system_preds(struct event_subsystem *system, */ err = replace_preds(call, NULL, ps, filter_string, true); if (err) - goto fail; + call->flags |= TRACE_EVENT_FL_NO_SET_FILTER; + else + call->flags &= ~TRACE_EVENT_FL_NO_SET_FILTER; } list_for_each_entry(call, &ftrace_events, list) { @@ -1658,6 +1660,9 @@ static int replace_system_preds(struct event_subsystem *system, if (strcmp(call->class->system, system->name) != 0) continue; + if (call->flags & TRACE_EVENT_FL_NO_SET_FILTER) + continue; + filter_item = kzalloc(sizeof(*filter_item), GFP_KERNEL); if (!filter_item) goto fail_mem; diff --git a/net/core/request_sock.c b/net/core/request_sock.c index 182236b2510a..9b570a6a33c5 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -26,10 +26,11 @@ * but then some measure against one socket starving all other sockets * would be needed. * - * It was 128 by default. Experiments with real servers show, that + * The minimum value of it is 128. Experiments with real servers show that * it is absolutely not enough even at 100conn/sec. 256 cures most - * of problems. This value is adjusted to 128 for very small machines - * (<=32Mb of memory) and to 1024 on normal or better ones (>=256Mb). + * of problems. + * This value is adjusted to 128 for low memory machines, + * and it will increase in proportion to the memory of machine. * Note : Dont forget somaxconn that may limit backlog too. */ int sysctl_max_syn_backlog = 256; diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index 025233de25f9..925991ae6f52 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -19,6 +19,7 @@ static int __init net_secret_init(void) } late_initcall(net_secret_init); +#ifdef CONFIG_INET static u32 seq_scale(u32 seq) { /* @@ -33,6 +34,7 @@ static u32 seq_scale(u32 seq) */ return seq + (ktime_to_ns(ktime_get_real()) >> 6); } +#endif #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr, diff --git a/net/ipv4/route.c b/net/ipv4/route.c index ca5e237df029..46af62363b8c 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -112,7 +112,7 @@ #include <net/secure_seq.h> #define RT_FL_TOS(oldflp4) \ - ((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK))) + ((oldflp4)->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)) #define IP_MAX_MTU 0xFFF0 @@ -1310,7 +1310,7 @@ static void rt_del(unsigned hash, struct rtable *rt) spin_unlock_bh(rt_hash_lock_addr(hash)); } -static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) +static void check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) { struct rtable *rt = (struct rtable *) dst; __be32 orig_gw = rt->rt_gateway; @@ -1321,21 +1321,19 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) rt->rt_gateway = peer->redirect_learned.a4; n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); - if (IS_ERR(n)) - return PTR_ERR(n); + if (IS_ERR(n)) { + rt->rt_gateway = orig_gw; + return; + } old_n = xchg(&rt->dst._neighbour, n); if (old_n) neigh_release(old_n); - if (!n || !(n->nud_state & NUD_VALID)) { - if (n) - neigh_event_send(n, NULL); - rt->rt_gateway = orig_gw; - return -EAGAIN; + if (!(n->nud_state & NUD_VALID)) { + neigh_event_send(n, NULL); } else { rt->rt_flags |= RTCF_REDIRECTED; call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); } - return 0; } /* called in rcu_read_lock() section */ @@ -1693,7 +1691,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu) } -static struct rtable *ipv4_validate_peer(struct rtable *rt) +static void ipv4_validate_peer(struct rtable *rt) { if (rt->rt_peer_genid != rt_peer_genid()) { struct inet_peer *peer; @@ -1708,15 +1706,12 @@ static struct rtable *ipv4_validate_peer(struct rtable *rt) if (peer->redirect_genid != redirect_genid) peer->redirect_learned.a4 = 0; if (peer->redirect_learned.a4 && - peer->redirect_learned.a4 != rt->rt_gateway) { - if (check_peer_redir(&rt->dst, peer)) - return NULL; - } + peer->redirect_learned.a4 != rt->rt_gateway) + check_peer_redir(&rt->dst, peer); } rt->rt_peer_genid = rt_peer_genid(); } - return rt; } static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) @@ -1725,7 +1720,7 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) if (rt_is_expired(rt)) return NULL; - dst = (struct dst_entry *) ipv4_validate_peer(rt); + ipv4_validate_peer(rt); return dst; } @@ -2380,9 +2375,7 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr, rth->rt_mark == skb->mark && net_eq(dev_net(rth->dst.dev), net) && !rt_is_expired(rth)) { - rth = ipv4_validate_peer(rth); - if (!rth) - continue; + ipv4_validate_peer(rth); if (noref) { dst_use_noref(&rth->dst, jiffies); skb_dst_set_noref(skb, &rth->dst); @@ -2441,11 +2434,11 @@ EXPORT_SYMBOL(ip_route_input_common); static struct rtable *__mkroute_output(const struct fib_result *res, const struct flowi4 *fl4, __be32 orig_daddr, __be32 orig_saddr, - int orig_oif, struct net_device *dev_out, + int orig_oif, __u8 orig_rtos, + struct net_device *dev_out, unsigned int flags) { struct fib_info *fi = res->fi; - u32 tos = RT_FL_TOS(fl4); struct in_device *in_dev; u16 type = res->type; struct rtable *rth; @@ -2496,7 +2489,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res, rth->rt_genid = rt_genid(dev_net(dev_out)); rth->rt_flags = flags; rth->rt_type = type; - rth->rt_key_tos = tos; + rth->rt_key_tos = orig_rtos; rth->rt_dst = fl4->daddr; rth->rt_src = fl4->saddr; rth->rt_route_iif = 0; @@ -2546,7 +2539,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res, static struct rtable *ip_route_output_slow(struct net *net, struct flowi4 *fl4) { struct net_device *dev_out = NULL; - u32 tos = RT_FL_TOS(fl4); + __u8 tos = RT_FL_TOS(fl4); unsigned int flags = 0; struct fib_result res; struct rtable *rth; @@ -2722,7 +2715,7 @@ static struct rtable *ip_route_output_slow(struct net *net, struct flowi4 *fl4) make_route: rth = __mkroute_output(&res, fl4, orig_daddr, orig_saddr, orig_oif, - dev_out, flags); + tos, dev_out, flags); if (!IS_ERR(rth)) { unsigned int hash; @@ -2758,9 +2751,7 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *flp4) (IPTOS_RT_MASK | RTO_ONLINK)) && net_eq(dev_net(rth->dst.dev), net) && !rt_is_expired(rth)) { - rth = ipv4_validate_peer(rth); - if (!rth) - continue; + ipv4_validate_peer(rth); dst_use(&rth->dst, jiffies); RT_CACHE_STAT_INC(out_hit); rcu_read_unlock_bh(); diff --git a/net/mac80211/main.c b/net/mac80211/main.c index d999bf3b84e1..cae443563ec9 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -757,6 +757,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (!local->int_scan_req) return -ENOMEM; + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + if (!local->hw.wiphy->bands[band]) + continue; + local->int_scan_req->rates[band] = (u32) -1; + } + /* if low-level driver supports AP, we also support VLAN */ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index eca0fad09709..d5230ecc784d 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1039,7 +1039,6 @@ int ieee80211_reconfig(struct ieee80211_local *local) struct ieee80211_sub_if_data, u.ap); - memset(&sta->sta.drv_priv, 0, hw->sta_data_size); WARN_ON(drv_sta_add(local, sdata, &sta->sta)); } } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 77e926738014..3302c56f60d1 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -57,8 +57,17 @@ #define REG_DBG_PRINT(args...) #endif +static struct regulatory_request core_request_world = { + .initiator = NL80211_REGDOM_SET_BY_CORE, + .alpha2[0] = '0', + .alpha2[1] = '0', + .intersect = false, + .processed = true, + .country_ie_env = ENVIRON_ANY, +}; + /* Receipt of information from last regulatory request */ -static struct regulatory_request *last_request; +static struct regulatory_request *last_request = &core_request_world; /* To trigger userspace events */ static struct platform_device *reg_pdev; @@ -150,7 +159,7 @@ static char user_alpha2[2]; module_param(ieee80211_regdom, charp, 0444); MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code"); -static void reset_regdomains(void) +static void reset_regdomains(bool full_reset) { /* avoid freeing static information or freeing something twice */ if (cfg80211_regdomain == cfg80211_world_regdom) @@ -165,6 +174,13 @@ static void reset_regdomains(void) cfg80211_world_regdom = &world_regdom; cfg80211_regdomain = NULL; + + if (!full_reset) + return; + + if (last_request != &core_request_world) + kfree(last_request); + last_request = &core_request_world; } /* @@ -175,7 +191,7 @@ static void update_world_regdomain(const struct ieee80211_regdomain *rd) { BUG_ON(!last_request); - reset_regdomains(); + reset_regdomains(false); cfg80211_world_regdom = rd; cfg80211_regdomain = rd; @@ -1407,7 +1423,8 @@ static int __regulatory_hint(struct wiphy *wiphy, } new_request: - kfree(last_request); + if (last_request != &core_request_world) + kfree(last_request); last_request = pending_request; last_request->intersect = intersect; @@ -1577,9 +1594,6 @@ static int regulatory_hint_core(const char *alpha2) { struct regulatory_request *request; - kfree(last_request); - last_request = NULL; - request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); if (!request) @@ -1777,7 +1791,7 @@ static void restore_regulatory_settings(bool reset_user) mutex_lock(&cfg80211_mutex); mutex_lock(®_mutex); - reset_regdomains(); + reset_regdomains(true); restore_alpha2(alpha2, reset_user); /* @@ -2037,8 +2051,10 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) } request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); - if (!request_wiphy) { - reg_set_request_processed(); + if (!request_wiphy && + (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER || + last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)) { + schedule_delayed_work(®_timeout, 0); return -ENODEV; } @@ -2046,7 +2062,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) int r; if (last_request->initiator != NL80211_REGDOM_SET_BY_DRIVER) { - reset_regdomains(); + reset_regdomains(false); cfg80211_regdomain = rd; return 0; } @@ -2067,7 +2083,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) if (r) return r; - reset_regdomains(); + reset_regdomains(false); cfg80211_regdomain = rd; return 0; } @@ -2092,7 +2108,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) rd = NULL; - reset_regdomains(); + reset_regdomains(false); cfg80211_regdomain = intersected_rd; return 0; @@ -2112,7 +2128,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) kfree(rd); rd = NULL; - reset_regdomains(); + reset_regdomains(false); cfg80211_regdomain = intersected_rd; return 0; @@ -2265,11 +2281,8 @@ void /* __init_or_exit */ regulatory_exit(void) mutex_lock(&cfg80211_mutex); mutex_lock(®_mutex); - reset_regdomains(); - - kfree(last_request); + reset_regdomains(true); - last_request = NULL; dev_set_uevent_suppress(®_pdev->dev, true); platform_device_unregister(reg_pdev); diff --git a/security/apparmor/path.c b/security/apparmor/path.c index 36cc0cc39e78..b566eba4a65c 100644 --- a/security/apparmor/path.c +++ b/security/apparmor/path.c @@ -57,23 +57,44 @@ static int prepend(char **buffer, int buflen, const char *str, int namelen) static int d_namespace_path(struct path *path, char *buf, int buflen, char **name, int flags) { - struct path root, tmp; char *res; - int connected, error = 0; + int error = 0; + int connected = 1; + + if (path->mnt->mnt_flags & MNT_INTERNAL) { + /* it's not mounted anywhere */ + res = dentry_path(path->dentry, buf, buflen); + *name = res; + if (IS_ERR(res)) { + *name = buf; + return PTR_ERR(res); + } + if (path->dentry->d_sb->s_magic == PROC_SUPER_MAGIC && + strncmp(*name, "/sys/", 5) == 0) { + /* TODO: convert over to using a per namespace + * control instead of hard coded /proc + */ + return prepend(name, *name - buf, "/proc", 5); + } + return 0; + } - /* Get the root we want to resolve too, released below */ + /* resolve paths relative to chroot?*/ if (flags & PATH_CHROOT_REL) { - /* resolve paths relative to chroot */ + struct path root; get_fs_root(current->fs, &root); - } else { - /* resolve paths relative to namespace */ - root.mnt = current->nsproxy->mnt_ns->root; - root.dentry = root.mnt->mnt_root; - path_get(&root); + res = __d_path(path, &root, buf, buflen); + if (res && !IS_ERR(res)) { + /* everything's fine */ + *name = res; + path_put(&root); + goto ok; + } + path_put(&root); + connected = 0; } - tmp = root; - res = __d_path(path, &tmp, buf, buflen); + res = d_absolute_path(path, buf, buflen); *name = res; /* handle error conditions - and still allow a partial path to @@ -84,7 +105,10 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, *name = buf; goto out; } + if (!our_mnt(path->mnt)) + connected = 0; +ok: /* Handle two cases: * 1. A deleted dentry && profile is not allowing mediation of deleted * 2. On some filesystems, newly allocated dentries appear to the @@ -97,10 +121,7 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, goto out; } - /* Determine if the path is connected to the expected root */ - connected = tmp.dentry == root.dentry && tmp.mnt == root.mnt; - - /* If the path is not connected, + /* If the path is not connected to the expected root, * check if it is a sysctl and handle specially else remove any * leading / that __d_path may have returned. * Unless @@ -112,17 +133,9 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, * namespace root. */ if (!connected) { - /* is the disconnect path a sysctl? */ - if (tmp.dentry->d_sb->s_magic == PROC_SUPER_MAGIC && - strncmp(*name, "/sys/", 5) == 0) { - /* TODO: convert over to using a per namespace - * control instead of hard coded /proc - */ - error = prepend(name, *name - buf, "/proc", 5); - } else if (!(flags & PATH_CONNECT_PATH) && + if (!(flags & PATH_CONNECT_PATH) && !(((flags & CHROOT_NSCONNECT) == CHROOT_NSCONNECT) && - (tmp.mnt == current->nsproxy->mnt_ns->root && - tmp.dentry == tmp.mnt->mnt_root))) { + our_mnt(path->mnt))) { /* disconnected path, don't return pathname starting * with '/' */ @@ -133,8 +146,6 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, } out: - path_put(&root); - return error; } diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index 738bbdf8d4c7..d9f3ced8756e 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -101,9 +101,8 @@ static char *tomoyo_get_absolute_path(struct path *path, char * const buffer, { char *pos = ERR_PTR(-ENOMEM); if (buflen >= 256) { - struct path ns_root = { }; /* go to whatever namespace root we are under */ - pos = __d_path(path, &ns_root, buffer, buflen - 1); + pos = d_absolute_path(path, buffer, buflen - 1); if (!IS_ERR(pos) && *pos == '/' && pos[1]) { struct inode *inode = path->dentry->d_inode; if (inode && S_ISDIR(inode->i_mode)) { @@ -294,8 +293,16 @@ char *tomoyo_realpath_from_path(struct path *path) pos = tomoyo_get_local_path(path->dentry, buf, buf_len - 1); /* Get absolute name for the rest. */ - else + else { pos = tomoyo_get_absolute_path(path, buf, buf_len - 1); + /* + * Fall back to local name if absolute name is not + * available. + */ + if (pos == ERR_PTR(-EINVAL)) + pos = tomoyo_get_local_path(path->dentry, buf, + buf_len - 1); + } encode: if (IS_ERR(pos)) continue; diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 0a7ed5b5e281..6c164dc9ee95 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1537,6 +1537,8 @@ process_flags(struct event *event, struct print_arg *arg, char **tok) field = malloc_or_die(sizeof(*field)); type = process_arg(event, field, &token); + while (type == EVENT_OP) + type = process_op(event, field, &token); if (test_type_token(type, token, EVENT_DELIM, ",")) goto out_free; |