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-rw-r--r--drivers/block/drbd/drbd_bitmap.c5
-rw-r--r--drivers/block/drbd/drbd_int.h3
-rw-r--r--drivers/block/drbd/drbd_nl.c4
-rw-r--r--drivers/block/rbd.c4
-rw-r--r--drivers/block/virtio_blk.c30
-rw-r--r--drivers/block/xen-blkback/blkback.c2
-rw-r--r--drivers/block/xen-blkback/common.h1
7 files changed, 32 insertions, 17 deletions
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 7b976296b564..912f585a760f 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -378,15 +378,14 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
 	 * thread.  As we have no disk yet, we are not in the IO path,
 	 * not even the IO path of the peer. */
 	bytes = sizeof(struct page *)*want;
-	new_pages = kmalloc(bytes, GFP_KERNEL);
+	new_pages = kzalloc(bytes, GFP_KERNEL);
 	if (!new_pages) {
-		new_pages = vmalloc(bytes);
+		new_pages = vzalloc(bytes);
 		if (!new_pages)
 			return NULL;
 		vmalloced = 1;
 	}
 
-	memset(new_pages, 0, bytes);
 	if (want >= have) {
 		for (i = 0; i < have; i++)
 			new_pages[i] = old_pages[i];
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 36eee3969a98..9cf20355ceec 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -28,7 +28,6 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/list.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
@@ -928,7 +927,7 @@ struct drbd_md {
 #define NL_INT64(pn,pr,member) __u64 member;
 #define NL_BIT(pn,pr,member)   unsigned member:1;
 #define NL_STRING(pn,pr,member,len) unsigned char member[len]; int member ## _len;
-#include "linux/drbd_nl.h"
+#include <linux/drbd_nl.h>
 
 struct drbd_backing_dev {
 	struct block_device *backing_bdev;
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 0feab261e295..af2a25049bce 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -94,7 +94,7 @@ static int name ## _from_tags(struct drbd_conf *mdev, \
 		 arg->member ## _len = dlen; \
 		 memcpy(arg->member, tags, min_t(size_t, dlen, len)); \
 		 break;
-#include "linux/drbd_nl.h"
+#include <linux/drbd_nl.h>
 
 /* Generate the struct to tag_list functions */
 #define NL_PACKET(name, number, fields) \
@@ -129,7 +129,7 @@ name ## _to_tags(struct drbd_conf *mdev, \
 	put_unaligned(arg->member ## _len, tags++);	\
 	memcpy(tags, arg->member, arg->member ## _len); \
 	tags = (unsigned short *)((char *)tags + arg->member ## _len);
-#include "linux/drbd_nl.h"
+#include <linux/drbd_nl.h>
 
 void drbd_bcast_ev_helper(struct drbd_conf *mdev, char *helper_name);
 void drbd_nl_send_reply(struct cn_msg *, int);
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 15f65b5f3fc7..65cc424359b0 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -192,7 +192,7 @@ static ssize_t rbd_snap_add(struct device *dev,
 			    const char *buf,
 			    size_t count);
 static void __rbd_remove_snap_dev(struct rbd_device *rbd_dev,
-				  struct rbd_snap *snap);;
+				  struct rbd_snap *snap);
 
 
 static struct rbd_device *dev_to_rbd(struct device *dev)
@@ -260,7 +260,7 @@ static struct rbd_client *rbd_client_create(struct ceph_options *opt,
 	kref_init(&rbdc->kref);
 	INIT_LIST_HEAD(&rbdc->node);
 
-	rbdc->client = ceph_create_client(opt, rbdc);
+	rbdc->client = ceph_create_client(opt, rbdc, 0, 0);
 	if (IS_ERR(rbdc->client))
 		goto out_rbdc;
 	opt = NULL; /* Now rbdc->client is responsible for opt */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 079c08808d8a..e7a5750a93d9 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -8,10 +8,13 @@
 #include <linux/scatterlist.h>
 #include <linux/string_helpers.h>
 #include <scsi/scsi_cmnd.h>
+#include <linux/idr.h>
 
 #define PART_BITS 4
 
-static int major, index;
+static int major;
+static DEFINE_IDA(vd_index_ida);
+
 struct workqueue_struct *virtblk_wq;
 
 struct virtio_blk
@@ -35,6 +38,9 @@ struct virtio_blk
 	/* What host tells us, plus 2 for header & tailer. */
 	unsigned int sg_elems;
 
+	/* Ida index - used to track minor number allocations. */
+	int index;
+
 	/* Scatterlist: can be too big for stack. */
 	struct scatterlist sg[/*sg_elems*/];
 };
@@ -276,6 +282,11 @@ static int index_to_minor(int index)
 	return index << PART_BITS;
 }
 
+static int minor_to_index(int minor)
+{
+	return minor >> PART_BITS;
+}
+
 static ssize_t virtblk_serial_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
@@ -341,14 +352,17 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
 {
 	struct virtio_blk *vblk;
 	struct request_queue *q;
-	int err;
+	int err, index;
 	u64 cap;
 	u32 v, blk_size, sg_elems, opt_io_size;
 	u16 min_io_size;
 	u8 physical_block_exp, alignment_offset;
 
-	if (index_to_minor(index) >= 1 << MINORBITS)
-		return -ENOSPC;
+	err = ida_simple_get(&vd_index_ida, 0, minor_to_index(1 << MINORBITS),
+			     GFP_KERNEL);
+	if (err < 0)
+		goto out;
+	index = err;
 
 	/* We need to know how many segments before we allocate. */
 	err = virtio_config_val(vdev, VIRTIO_BLK_F_SEG_MAX,
@@ -365,7 +379,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
 				    sizeof(vblk->sg[0]) * sg_elems, GFP_KERNEL);
 	if (!vblk) {
 		err = -ENOMEM;
-		goto out;
+		goto out_free_index;
 	}
 
 	INIT_LIST_HEAD(&vblk->reqs);
@@ -421,7 +435,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
 	vblk->disk->private_data = vblk;
 	vblk->disk->fops = &virtblk_fops;
 	vblk->disk->driverfs_dev = &vdev->dev;
-	index++;
+	vblk->index = index;
 
 	/* configure queue flush support */
 	if (virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH))
@@ -516,6 +530,8 @@ out_free_vq:
 	vdev->config->del_vqs(vdev);
 out_free_vblk:
 	kfree(vblk);
+out_free_index:
+	ida_simple_remove(&vd_index_ida, index);
 out:
 	return err;
 }
@@ -523,6 +539,7 @@ out:
 static void __devexit virtblk_remove(struct virtio_device *vdev)
 {
 	struct virtio_blk *vblk = vdev->priv;
+	int index = vblk->index;
 
 	flush_work(&vblk->config_work);
 
@@ -538,6 +555,7 @@ static void __devexit virtblk_remove(struct virtio_device *vdev)
 	mempool_destroy(vblk->pool);
 	vdev->config->del_vqs(vdev);
 	kfree(vblk);
+	ida_simple_remove(&vd_index_ida, index);
 }
 
 static const struct virtio_device_id id_table[] = {
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 2330a9ad5e95..1540792b1e54 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -396,7 +396,7 @@ static int xen_blkbk_map(struct blkif_request *req,
 			continue;
 
 		ret = m2p_add_override(PFN_DOWN(map[i].dev_bus_addr),
-			blkbk->pending_page(pending_req, i), false);
+			blkbk->pending_page(pending_req, i), NULL);
 		if (ret) {
 			pr_alert(DRV_PFX "Failed to install M2P override for %lx (ret: %d)\n",
 				 (unsigned long)map[i].dev_bus_addr, ret);
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 00c57c90e2d6..c4bd34063ecc 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -27,7 +27,6 @@
 #ifndef __XEN_BLKIF__BACKEND__COMMON_H__
 #define __XEN_BLKIF__BACKEND__COMMON_H__
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/slab.h>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-30 16:19:33 +0000