diff options
Diffstat (limited to 'fs/xfs/xfs_vfsops.c')
| -rw-r--r-- | fs/xfs/xfs_vfsops.c | 181 |
1 files changed, 106 insertions, 75 deletions
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index f1a904e23ade..7bdbd991ab1c 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -1,74 +1,58 @@ /* - * XFS filesystem operations. + * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * All Rights Reserved. * - * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - #include "xfs.h" -#include "xfs_macros.h" +#include "xfs_fs.h" #include "xfs_types.h" -#include "xfs_inum.h" +#include "xfs_bit.h" #include "xfs_log.h" +#include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" +#include "xfs_da_btree.h" #include "xfs_bmap_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_alloc_btree.h" -#include "xfs_btree.h" -#include "xfs_alloc.h" -#include "xfs_ialloc.h" -#include "xfs_attr_sf.h" #include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" +#include "xfs_attr_sf.h" #include "xfs_dinode.h" -#include "xfs_inode_item.h" #include "xfs_inode.h" -#include "xfs_ag.h" +#include "xfs_inode_item.h" +#include "xfs_btree.h" +#include "xfs_alloc.h" +#include "xfs_ialloc.h" +#include "xfs_quota.h" #include "xfs_error.h" #include "xfs_bmap.h" -#include "xfs_da_btree.h" #include "xfs_rw.h" #include "xfs_refcache.h" #include "xfs_buf_item.h" -#include "xfs_extfree_item.h" -#include "xfs_quota.h" +#include "xfs_log_priv.h" #include "xfs_dir2_trace.h" +#include "xfs_extfree_item.h" #include "xfs_acl.h" #include "xfs_attr.h" #include "xfs_clnt.h" -#include "xfs_log_priv.h" STATIC int xfs_sync(bhv_desc_t *, int, cred_t *); @@ -230,9 +214,7 @@ xfs_start_flags( } if (ap->logbufs != -1 && -#if defined(DEBUG) || defined(XLOG_NOLOG) ap->logbufs != 0 && -#endif (ap->logbufs < XLOG_MIN_ICLOGS || ap->logbufs > XLOG_MAX_ICLOGS)) { cmn_err(CE_WARN, @@ -242,6 +224,7 @@ xfs_start_flags( } mp->m_logbufs = ap->logbufs; if (ap->logbufsize != -1 && + ap->logbufsize != 0 && ap->logbufsize != 16 * 1024 && ap->logbufsize != 32 * 1024 && ap->logbufsize != 64 * 1024 && @@ -257,6 +240,14 @@ xfs_start_flags( mp->m_fsname_len = strlen(ap->fsname) + 1; mp->m_fsname = kmem_alloc(mp->m_fsname_len, KM_SLEEP); strcpy(mp->m_fsname, ap->fsname); + if (ap->rtname[0]) { + mp->m_rtname = kmem_alloc(strlen(ap->rtname) + 1, KM_SLEEP); + strcpy(mp->m_rtname, ap->rtname); + } + if (ap->logname[0]) { + mp->m_logname = kmem_alloc(strlen(ap->logname) + 1, KM_SLEEP); + strcpy(mp->m_logname, ap->logname); + } if (ap->flags & XFSMNT_WSYNC) mp->m_flags |= XFS_MOUNT_WSYNC; @@ -268,21 +259,16 @@ xfs_start_flags( #endif if (ap->flags & XFSMNT_NOATIME) mp->m_flags |= XFS_MOUNT_NOATIME; - if (ap->flags & XFSMNT_RETERR) mp->m_flags |= XFS_MOUNT_RETERR; - if (ap->flags & XFSMNT_NOALIGN) mp->m_flags |= XFS_MOUNT_NOALIGN; - if (ap->flags & XFSMNT_SWALLOC) mp->m_flags |= XFS_MOUNT_SWALLOC; - if (ap->flags & XFSMNT_OSYNCISOSYNC) mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC; - if (ap->flags & XFSMNT_32BITINODES) - mp->m_flags |= (XFS_MOUNT_32BITINODES | XFS_MOUNT_32BITINOOPT); + mp->m_flags |= XFS_MOUNT_32BITINODES; if (ap->flags & XFSMNT_IOSIZE) { if (ap->iosizelog > XFS_MAX_IO_LOG || @@ -300,12 +286,15 @@ xfs_start_flags( if (ap->flags & XFSMNT_IHASHSIZE) mp->m_flags |= XFS_MOUNT_IHASHSIZE; - if (ap->flags & XFSMNT_IDELETE) mp->m_flags |= XFS_MOUNT_IDELETE; - if (ap->flags & XFSMNT_DIRSYNC) mp->m_flags |= XFS_MOUNT_DIRSYNC; + if (ap->flags & XFSMNT_COMPAT_ATTR) + mp->m_flags |= XFS_MOUNT_COMPAT_ATTR; + + if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE) + mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; /* * no recovery flag requires a read-only mount @@ -321,8 +310,8 @@ xfs_start_flags( if (ap->flags & XFSMNT_NOUUID) mp->m_flags |= XFS_MOUNT_NOUUID; - if (ap->flags & XFSMNT_NOLOGFLUSH) - mp->m_flags |= XFS_MOUNT_NOLOGFLUSH; + if (ap->flags & XFSMNT_BARRIER) + mp->m_flags |= XFS_MOUNT_BARRIER; return 0; } @@ -393,6 +382,10 @@ xfs_finish_flags( return XFS_ERROR(EINVAL); } + if (XFS_SB_VERSION_HASATTR2(&mp->m_sb)) { + mp->m_flags &= ~XFS_MOUNT_COMPAT_ATTR; + } + return 0; } @@ -512,8 +505,14 @@ xfs_mount( goto error2; error = XFS_IOINIT(vfsp, args, flags); - if (!error) - return 0; + if (error) + goto error2; + + if ((args->flags & XFSMNT_BARRIER) && + !(XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY)) + xfs_mountfs_check_barriers(mp); + return 0; + error2: if (mp->m_sb_bp) xfs_freesb(mp); @@ -656,19 +655,24 @@ xfs_mntupdate( else mp->m_flags &= ~XFS_MOUNT_NOATIME; - if (!(vfsp->vfs_flag & VFS_RDONLY)) { - VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error); + if ((vfsp->vfs_flag & VFS_RDONLY) && + !(*flags & MS_RDONLY)) { + vfsp->vfs_flag &= ~VFS_RDONLY; + + if (args->flags & XFSMNT_BARRIER) + xfs_mountfs_check_barriers(mp); } - if (*flags & MS_RDONLY) { + if (!(vfsp->vfs_flag & VFS_RDONLY) && + (*flags & MS_RDONLY)) { + VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error); + xfs_quiesce_fs(mp); /* Ok now write out an unmount record */ xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); vfsp->vfs_flag |= VFS_RDONLY; - } else { - vfsp->vfs_flag &= ~VFS_RDONLY; } return 0; @@ -892,7 +896,7 @@ xfs_sync( * only available by calling this routine. * */ -STATIC int +int xfs_sync_inodes( xfs_mount_t *mp, int flags, @@ -976,7 +980,7 @@ xfs_sync_inodes( ipointer = (xfs_iptr_t *)kmem_zalloc(sizeof(xfs_iptr_t), KM_SLEEP); fflag = XFS_B_ASYNC; /* default is don't wait */ - if (flags & SYNC_BDFLUSH) + if (flags & (SYNC_BDFLUSH | SYNC_DELWRI)) fflag = XFS_B_DELWRI; if (flags & SYNC_WAIT) fflag = 0; /* synchronous overrides all */ @@ -1628,11 +1632,17 @@ xfs_vget( #define MNTOPT_ALLOCSIZE "allocsize" /* preferred allocation size */ #define MNTOPT_IHASHSIZE "ihashsize" /* size of inode hash table */ #define MNTOPT_NORECOVERY "norecovery" /* don't run XFS recovery */ -#define MNTOPT_NOLOGFLUSH "nologflush" /* don't hard flush on log writes */ +#define MNTOPT_BARRIER "barrier" /* use writer barriers for log write and + * unwritten extent conversion */ #define MNTOPT_OSYNCISOSYNC "osyncisosync" /* o_sync is REALLY o_sync */ #define MNTOPT_64BITINODE "inode64" /* inodes can be allocated anywhere */ #define MNTOPT_IKEEP "ikeep" /* do not free empty inode clusters */ #define MNTOPT_NOIKEEP "noikeep" /* free empty inode clusters */ +#define MNTOPT_LARGEIO "largeio" /* report large I/O sizes in stat() */ +#define MNTOPT_NOLARGEIO "nolargeio" /* do not report large I/O sizes + * in stat(). */ +#define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */ +#define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */ STATIC unsigned long suffix_strtoul(const char *cp, char **endp, unsigned int base) @@ -1669,12 +1679,15 @@ xfs_parseargs( int dsunit, dswidth, vol_dsunit, vol_dswidth; int iosize; + args->flags2 |= XFSMNT2_COMPAT_IOSIZE; + args->flags |= XFSMNT_COMPAT_ATTR; + #if 0 /* XXX: off by default, until some remaining issues ironed out */ args->flags |= XFSMNT_IDELETE; /* default to on */ #endif if (!options) - return 0; + goto done; iosize = dsunit = dswidth = vol_dsunit = vol_dswidth = 0; @@ -1791,12 +1804,20 @@ xfs_parseargs( #endif } else if (!strcmp(this_char, MNTOPT_NOUUID)) { args->flags |= XFSMNT_NOUUID; - } else if (!strcmp(this_char, MNTOPT_NOLOGFLUSH)) { - args->flags |= XFSMNT_NOLOGFLUSH; + } else if (!strcmp(this_char, MNTOPT_BARRIER)) { + args->flags |= XFSMNT_BARRIER; } else if (!strcmp(this_char, MNTOPT_IKEEP)) { args->flags &= ~XFSMNT_IDELETE; } else if (!strcmp(this_char, MNTOPT_NOIKEEP)) { args->flags |= XFSMNT_IDELETE; + } else if (!strcmp(this_char, MNTOPT_LARGEIO)) { + args->flags2 &= ~XFSMNT2_COMPAT_IOSIZE; + } else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) { + args->flags2 |= XFSMNT2_COMPAT_IOSIZE; + } else if (!strcmp(this_char, MNTOPT_ATTR2)) { + args->flags &= ~XFSMNT_COMPAT_ATTR; + } else if (!strcmp(this_char, MNTOPT_NOATTR2)) { + args->flags |= XFSMNT_COMPAT_ATTR; } else if (!strcmp(this_char, "osyncisdsync")) { /* no-op, this is now the default */ printk("XFS: osyncisdsync is now the default, option is deprecated.\n"); @@ -1846,6 +1867,11 @@ printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n"); args->sunit = args->swidth = 0; } +done: + if (args->flags & XFSMNT_32BITINODES) + vfsp->vfs_flag |= VFS_32BITINODES; + if (args->flags2) + args->flags |= XFSMNT_FLAGS2; return 0; } @@ -1866,7 +1892,7 @@ xfs_showargs( { XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID }, { XFS_MOUNT_NORECOVERY, "," MNTOPT_NORECOVERY }, { XFS_MOUNT_OSYNCISOSYNC, "," MNTOPT_OSYNCISOSYNC }, - { XFS_MOUNT_NOLOGFLUSH, "," MNTOPT_NOLOGFLUSH }, + { XFS_MOUNT_BARRIER, "," MNTOPT_BARRIER }, { XFS_MOUNT_IDELETE, "," MNTOPT_NOIKEEP }, { 0, NULL } }; @@ -1883,21 +1909,20 @@ xfs_showargs( seq_printf(m, "," MNTOPT_IHASHSIZE "=%d", mp->m_ihsize); if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) - seq_printf(m, "," MNTOPT_ALLOCSIZE "=%d", 1<<mp->m_writeio_log); + seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk", + (int)(1 << mp->m_writeio_log) >> 10); if (mp->m_logbufs > 0) seq_printf(m, "," MNTOPT_LOGBUFS "=%d", mp->m_logbufs); if (mp->m_logbsize > 0) - seq_printf(m, "," MNTOPT_LOGBSIZE "=%d", mp->m_logbsize); + seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10); - if (mp->m_ddev_targp != mp->m_logdev_targp) - seq_printf(m, "," MNTOPT_LOGDEV "=%s", - XFS_BUFTARG_NAME(mp->m_logdev_targp)); + if (mp->m_logname) + seq_printf(m, "," MNTOPT_LOGDEV "=%s", mp->m_logname); - if (mp->m_rtdev_targp && mp->m_ddev_targp != mp->m_rtdev_targp) - seq_printf(m, "," MNTOPT_RTDEV "=%s", - XFS_BUFTARG_NAME(mp->m_rtdev_targp)); + if (mp->m_rtname) + seq_printf(m, "," MNTOPT_RTDEV "=%s", mp->m_rtname); if (mp->m_dalign > 0) seq_printf(m, "," MNTOPT_SUNIT "=%d", @@ -1907,7 +1932,13 @@ xfs_showargs( seq_printf(m, "," MNTOPT_SWIDTH "=%d", (int)XFS_FSB_TO_BB(mp, mp->m_swidth)); - if (!(mp->m_flags & XFS_MOUNT_32BITINOOPT)) + if (!(mp->m_flags & XFS_MOUNT_COMPAT_ATTR)) + seq_printf(m, "," MNTOPT_ATTR2); + + if (!(mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE)) + seq_printf(m, "," MNTOPT_LARGEIO); + + if (!(vfsp->vfs_flag & VFS_32BITINODES)) seq_printf(m, "," MNTOPT_64BITINODE); if (vfsp->vfs_flag & VFS_GRPID) |