X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_vfsops.c;h=0cbe005916142fa05f60d8b25f804a22bab7d7a3;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=2a343298b8c2e0401d35942f3ae0431e0638ec03;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 2a343298b..0cbe00591 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -1,76 +1,61 @@ /* - * 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" +#include "xfs_fsops.h" -STATIC int xfs_sync(bhv_desc_t *, int, cred_t *); +STATIC int xfs_sync(bhv_desc_t *, int, cred_t *); int xfs_init(void) @@ -92,11 +77,12 @@ xfs_init(void) "xfs_bmap_free_item"); xfs_btree_cur_zone = kmem_zone_init(sizeof(xfs_btree_cur_t), "xfs_btree_cur"); - xfs_inode_zone = kmem_zone_init(sizeof(xfs_inode_t), "xfs_inode"); xfs_trans_zone = kmem_zone_init(sizeof(xfs_trans_t), "xfs_trans"); xfs_da_state_zone = kmem_zone_init(sizeof(xfs_da_state_t), "xfs_da_state"); xfs_dabuf_zone = kmem_zone_init(sizeof(xfs_dabuf_t), "xfs_dabuf"); + xfs_ifork_zone = kmem_zone_init(sizeof(xfs_ifork_t), "xfs_ifork"); + xfs_acl_zone_init(xfs_acl_zone, "xfs_acl"); /* * The size of the zone allocated buf log item is the maximum @@ -108,17 +94,30 @@ xfs_init(void) (((XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK) / NBWORD) * sizeof(int))), "xfs_buf_item"); - xfs_efd_zone = kmem_zone_init((sizeof(xfs_efd_log_item_t) + - ((XFS_EFD_MAX_FAST_EXTENTS - 1) * sizeof(xfs_extent_t))), + xfs_efd_zone = + kmem_zone_init((sizeof(xfs_efd_log_item_t) + + ((XFS_EFD_MAX_FAST_EXTENTS - 1) * + sizeof(xfs_extent_t))), "xfs_efd_item"); - xfs_efi_zone = kmem_zone_init((sizeof(xfs_efi_log_item_t) + - ((XFS_EFI_MAX_FAST_EXTENTS - 1) * sizeof(xfs_extent_t))), + xfs_efi_zone = + kmem_zone_init((sizeof(xfs_efi_log_item_t) + + ((XFS_EFI_MAX_FAST_EXTENTS - 1) * + sizeof(xfs_extent_t))), "xfs_efi_item"); - xfs_ifork_zone = kmem_zone_init(sizeof(xfs_ifork_t), "xfs_ifork"); - xfs_ili_zone = kmem_zone_init(sizeof(xfs_inode_log_item_t), "xfs_ili"); - xfs_chashlist_zone = kmem_zone_init(sizeof(xfs_chashlist_t), - "xfs_chashlist"); - xfs_acl_zone_init(xfs_acl_zone, "xfs_acl"); + + /* + * These zones warrant special memory allocator hints + */ + xfs_inode_zone = + kmem_zone_init_flags(sizeof(xfs_inode_t), "xfs_inode", + KM_ZONE_HWALIGN | KM_ZONE_RECLAIM | + KM_ZONE_SPREAD, NULL); + xfs_ili_zone = + kmem_zone_init_flags(sizeof(xfs_inode_log_item_t), "xfs_ili", + KM_ZONE_SPREAD, NULL); + xfs_chashlist_zone = + kmem_zone_init_flags(sizeof(xfs_chashlist_t), "xfs_chashlist", + KM_ZONE_SPREAD, NULL); /* * Allocate global trace buffers. @@ -191,18 +190,18 @@ xfs_cleanup(void) ktrace_free(xfs_alloc_trace_buf); #endif - kmem_cache_destroy(xfs_bmap_free_item_zone); - kmem_cache_destroy(xfs_btree_cur_zone); - kmem_cache_destroy(xfs_inode_zone); - kmem_cache_destroy(xfs_trans_zone); - kmem_cache_destroy(xfs_da_state_zone); - kmem_cache_destroy(xfs_dabuf_zone); - kmem_cache_destroy(xfs_buf_item_zone); - kmem_cache_destroy(xfs_efd_zone); - kmem_cache_destroy(xfs_efi_zone); - kmem_cache_destroy(xfs_ifork_zone); - kmem_cache_destroy(xfs_ili_zone); - kmem_cache_destroy(xfs_chashlist_zone); + kmem_zone_destroy(xfs_bmap_free_item_zone); + kmem_zone_destroy(xfs_btree_cur_zone); + kmem_zone_destroy(xfs_inode_zone); + kmem_zone_destroy(xfs_trans_zone); + kmem_zone_destroy(xfs_da_state_zone); + kmem_zone_destroy(xfs_dabuf_zone); + kmem_zone_destroy(xfs_buf_item_zone); + kmem_zone_destroy(xfs_efd_zone); + kmem_zone_destroy(xfs_efi_zone); + kmem_zone_destroy(xfs_ifork_zone); + kmem_zone_destroy(xfs_ili_zone); + kmem_zone_destroy(xfs_chashlist_zone); } /* @@ -230,9 +229,7 @@ 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 +239,7 @@ 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 +255,14 @@ 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; @@ -266,23 +272,16 @@ xfs_start_flags( mp->m_inoadd = XFS_INO64_OFFSET; } #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 +299,17 @@ 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_ATTR2) + mp->m_flags |= XFS_MOUNT_ATTR2; + + if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE) + mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; + if (ap->flags2 & XFSMNT2_TAGXID) + mp->m_flags |= XFS_MOUNT_TAGXID; /* * no recovery flag requires a read-only mount @@ -321,10 +325,10 @@ xfs_start_flags( if (ap->flags & XFSMNT_NOUUID) mp->m_flags |= XFS_MOUNT_NOUUID; - if (ap->flags & XFSMNT_TAGXID) - mp->m_flags |= XFS_MOUNT_TAGXID; - if (ap->flags & XFSMNT_NOLOGFLUSH) - mp->m_flags |= XFS_MOUNT_NOLOGFLUSH; + if (ap->flags & XFSMNT_BARRIER) + mp->m_flags |= XFS_MOUNT_BARRIER; + else + mp->m_flags &= ~XFS_MOUNT_BARRIER; return 0; } @@ -343,10 +347,11 @@ xfs_finish_flags( /* Fail a mount where the logbuf is smaller then the log stripe */ if (XFS_SB_VERSION_HASLOGV2(&mp->m_sb)) { - if ((ap->logbufsize == -1) && + if ((ap->logbufsize <= 0) && (mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE)) { mp->m_logbsize = mp->m_sb.sb_logsunit; - } else if (ap->logbufsize < mp->m_sb.sb_logsunit) { + } else if (ap->logbufsize > 0 && + ap->logbufsize < mp->m_sb.sb_logsunit) { cmn_err(CE_WARN, "XFS: logbuf size must be greater than or equal to log stripe size"); return XFS_ERROR(EINVAL); @@ -360,6 +365,10 @@ xfs_finish_flags( } } + if (XFS_SB_VERSION_HASATTR2(&mp->m_sb)) { + mp->m_flags |= XFS_MOUNT_ATTR2; + } + /* * prohibit r/w mounts of read-only filesystems */ @@ -369,16 +378,6 @@ xfs_finish_flags( return XFS_ERROR(EROFS); } - /* - * disallow mount attempts with (IRIX) project quota enabled - */ - if (XFS_SB_VERSION_HASQUOTA(&mp->m_sb) && - (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT)) { - cmn_err(CE_WARN, - "XFS: cannot mount a filesystem with IRIX project quota enabled"); - return XFS_ERROR(ENOSYS); - } - /* * check for shared mount. */ @@ -405,7 +404,7 @@ xfs_finish_flags( return XFS_ERROR(EINVAL); } - if (ap->flags & XFSMNT_TAGXID) + if (ap->flags2 & XFSMNT2_TAGXID) vfs->vfs_super->s_flags |= MS_TAGXID; return 0; } @@ -447,6 +446,9 @@ xfs_mount( p = vfs_bhv_lookup(vfsp, VFS_POSITION_IO); mp->m_io_ops = p ? *(xfs_ioops_t *) vfs_bhv_custom(p) : xfs_iocore_xfs; + if (args->flags & XFSMNT_QUIET) + flags |= XFS_MFSI_QUIET; + /* * Open real time and log devices - order is important. */ @@ -497,7 +499,7 @@ xfs_mount( error = xfs_start_flags(vfsp, args, mp); if (error) goto error1; - error = xfs_readsb(mp); + error = xfs_readsb(mp, flags); if (error) goto error1; error = xfs_finish_flags(vfsp, args, mp); @@ -525,9 +527,15 @@ xfs_mount( if (error) goto error2; + if ((mp->m_flags & XFS_MOUNT_BARRIER) && !(vfsp->vfs_flag & VFS_RDONLY)) + xfs_mountfs_check_barriers(mp); + error = XFS_IOINIT(vfsp, args, flags); - if (!error) - return 0; + if (error) + goto error2; + + return 0; + error2: if (mp->m_sb_bp) xfs_freesb(mp); @@ -626,7 +634,34 @@ out: return XFS_ERROR(error); } -#define REMOUNT_READONLY_FLAGS (SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT) +STATIC int +xfs_quiesce_fs( + xfs_mount_t *mp) +{ + int count = 0, pincount; + + xfs_refcache_purge_mp(mp); + xfs_flush_buftarg(mp->m_ddev_targp, 0); + xfs_finish_reclaim_all(mp, 0); + + /* This loop must run at least twice. + * The first instance of the loop will flush + * most meta data but that will generate more + * meta data (typically directory updates). + * Which then must be flushed and logged before + * we can write the unmount record. + */ + do { + xfs_syncsub(mp, SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT, 0, NULL); + pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1); + if (!pincount) { + delay(50); + count++; + } + } while (count < 2); + + return 0; +} STATIC int xfs_mntupdate( @@ -636,47 +671,24 @@ xfs_mntupdate( { struct vfs *vfsp = bhvtovfs(bdp); xfs_mount_t *mp = XFS_BHVTOM(bdp); - int pincount, error; - int count = 0; - - if (args->flags & XFSMNT_NOATIME) - mp->m_flags |= XFS_MOUNT_NOATIME; - else - mp->m_flags &= ~XFS_MOUNT_NOATIME; + int error; - if (!(vfsp->vfs_flag & VFS_RDONLY)) { + if (!(*flags & MS_RDONLY)) { /* rw/ro -> rw */ + if (vfsp->vfs_flag & VFS_RDONLY) + vfsp->vfs_flag &= ~VFS_RDONLY; + if (args->flags & XFSMNT_BARRIER) { + mp->m_flags |= XFS_MOUNT_BARRIER; + xfs_mountfs_check_barriers(mp); + } else { + mp->m_flags &= ~XFS_MOUNT_BARRIER; + } + } else if (!(vfsp->vfs_flag & VFS_RDONLY)) { /* rw -> ro */ VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error); - } - - if (*flags & MS_RDONLY) { - xfs_refcache_purge_mp(mp); - xfs_flush_buftarg(mp->m_ddev_targp, 0); - xfs_finish_reclaim_all(mp, 0); - - /* This loop must run at least twice. - * The first instance of the loop will flush - * most meta data but that will generate more - * meta data (typically directory updates). - * Which then must be flushed and logged before - * we can write the unmount record. - */ - do { - VFS_SYNC(vfsp, REMOUNT_READONLY_FLAGS, NULL, error); - pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1); - if (!pincount) { - delay(50); - count++; - } - } while (count < 2); - - /* Ok now write out an unmount record */ + xfs_quiesce_fs(mp); xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); vfsp->vfs_flag |= VFS_RDONLY; - } else { - vfsp->vfs_flag &= ~VFS_RDONLY; } - return 0; } @@ -801,13 +813,13 @@ xfs_statvfs( xfs_mount_t *mp; xfs_sb_t *sbp; unsigned long s; - u64 id; mp = XFS_BHVTOM(bdp); sbp = &(mp->m_sb); statp->f_type = XFS_SB_MAGIC; + xfs_icsb_sync_counters_lazy(mp); s = XFS_SB_LOCK(mp); statp->f_bsize = sbp->sb_blocksize; lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0; @@ -829,9 +841,7 @@ xfs_statvfs( statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree); XFS_SB_UNLOCK(mp, s); - id = huge_encode_dev(mp->m_dev); - statp->f_fsid.val[0] = (u32)id; - statp->f_fsid.val[1] = (u32)(id >> 32); + xfs_statvfs_fsid(statp, mp); statp->f_namelen = MAXNAMELEN - 1; return 0; @@ -868,10 +878,10 @@ xfs_statvfs( * determine if they should be flushed sync, async, or * delwri. * SYNC_CLOSE - This flag is passed when the system is being - * unmounted. We should sync and invalidate everthing. + * unmounted. We should sync and invalidate everything. * SYNC_FSDATA - This indicates that the caller would like to make * sure the superblock is safe on disk. We can ensure - * this by simply makeing sure the log gets flushed + * this by simply making sure the log gets flushed * if SYNC_BDFLUSH is set, and by actually writing it * out otherwise. * @@ -883,10 +893,12 @@ xfs_sync( int flags, cred_t *credp) { - xfs_mount_t *mp; + xfs_mount_t *mp = XFS_BHVTOM(bdp); - mp = XFS_BHVTOM(bdp); - return (xfs_syncsub(mp, flags, 0, NULL)); + if (unlikely(flags == SYNC_QUIESCE)) + return xfs_quiesce_fs(mp); + else + return xfs_syncsub(mp, flags, 0, NULL); } /* @@ -894,12 +906,12 @@ xfs_sync( * * This routine supports all of the flags defined for the generic VFS_SYNC * interface as explained above under xfs_sync. In the interests of not - * changing interfaces within the 6.5 family, additional internallly- + * changing interfaces within the 6.5 family, additional internally- * required functions are specified within a separate xflags parameter, * only available by calling this routine. * */ -STATIC int +int xfs_sync_inodes( xfs_mount_t *mp, int flags, @@ -910,7 +922,6 @@ xfs_sync_inodes( xfs_inode_t *ip_next; xfs_buf_t *bp; vnode_t *vp = NULL; - vmap_t vmap; int error; int last_error; uint64_t fflag; @@ -984,7 +995,7 @@ 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 */ @@ -1077,7 +1088,7 @@ xfs_sync_inodes( * If this is just vfs_sync() or pflushd() calling * then we can skip inodes for which it looks like * there is nothing to do. Since we don't have the - * inode locked this is racey, but these are periodic + * inode locked this is racy, but these are periodic * calls so it doesn't matter. For the others we want * to know for sure, so we at least try to lock them. */ @@ -1105,48 +1116,21 @@ xfs_sync_inodes( * lock in xfs_ireclaim() after the inode is pulled from * the mount list will sleep until we release it here. * This keeps the vnode from being freed while we reference - * it. It is also cheaper and simpler than actually doing - * a vn_get() for every inode we touch here. + * it. */ if (xfs_ilock_nowait(ip, lock_flags) == 0) { - if ((flags & SYNC_BDFLUSH) || (vp == NULL)) { ip = ip->i_mnext; continue; } - /* - * We need to unlock the inode list lock in order - * to lock the inode. Insert a marker record into - * the inode list to remember our position, dropping - * the lock is now done inside the IPOINTER_INSERT - * macro. - * - * We also use the inode list lock to protect us - * in taking a snapshot of the vnode version number - * for use in calling vn_get(). - */ - VMAP(vp, vmap); - IPOINTER_INSERT(ip, mp); - - vp = vn_get(vp, &vmap); + vp = vn_grab(vp); if (vp == NULL) { - /* - * The vnode was reclaimed once we let go - * of the inode list lock. Skip to the - * next list entry. Remove the marker. - */ - - XFS_MOUNT_ILOCK(mp); - - mount_locked = B_TRUE; - vnode_refed = B_FALSE; - - IPOINTER_REMOVE(ip, mp); - + ip = ip->i_mnext; continue; } + IPOINTER_INSERT(ip, mp); xfs_ilock(ip, lock_flags); ASSERT(vp == XFS_ITOV(ip)); @@ -1243,7 +1227,7 @@ xfs_sync_inodes( xfs_iunlock(ip, XFS_ILOCK_SHARED); error = xfs_itobp(mp, NULL, ip, - &dip, &bp, 0); + &dip, &bp, 0, 0); if (!error) { xfs_buf_relse(bp); } else { @@ -1443,7 +1427,7 @@ xfs_sync_inodes( * * This routine supports all of the flags defined for the generic VFS_SYNC * interface as explained above under xfs_sync. In the interests of not - * changing interfaces within the 6.5 family, additional internallly- + * changing interfaces within the 6.5 family, additional internally- * required functions are specified within a separate xflags parameter, * only available by calling this routine. * @@ -1537,7 +1521,10 @@ xfs_syncsub( * eventually kicked out of the cache. */ if (flags & SYNC_REFCACHE) { - xfs_refcache_purge_some(mp); + if (flags & SYNC_WAIT) + xfs_refcache_purge_mp(mp); + else + xfs_refcache_purge_some(mp); } /* @@ -1653,14 +1640,25 @@ xfs_vget( #define MNTOPT_SWIDTH "swidth" /* data volume stripe width */ #define MNTOPT_NOUUID "nouuid" /* ignore filesystem UUID */ #define MNTOPT_MTPT "mtpt" /* filesystem mount point */ +#define MNTOPT_GRPID "grpid" /* group-ID from parent directory */ +#define MNTOPT_NOGRPID "nogrpid" /* group-ID from current process */ +#define MNTOPT_BSDGROUPS "bsdgroups" /* group-ID from parent directory */ +#define MNTOPT_SYSVGROUPS "sysvgroups" /* group-ID from current process */ #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_NOBARRIER "nobarrier" /* .. disable */ #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 */ #define MNTOPT_TAGXID "tagxid" /* context xid tagging for inodes */ STATIC unsigned long @@ -1686,7 +1684,7 @@ suffix_strtoul(const char *cp, char **endp, unsigned int base) return simple_strtoul(cp, endp, base) << shift_left_factor; } -int +STATIC int xfs_parseargs( struct bhv_desc *bhv, char *options, @@ -1698,12 +1696,12 @@ xfs_parseargs( int dsunit, dswidth, vol_dsunit, vol_dswidth; int iosize; -#if 0 /* XXX: off by default, until some remaining issues ironed out */ - args->flags |= XFSMNT_IDELETE; /* default to on */ -#endif + args->flags |= XFSMNT_IDELETE; + args->flags |= XFSMNT_BARRIER; + args->flags2 |= XFSMNT2_COMPAT_IOSIZE; if (!options) - return 0; + goto done; iosize = dsunit = dswidth = vol_dsunit = vol_dswidth = 0; @@ -1774,6 +1772,12 @@ xfs_parseargs( } args->flags |= XFSMNT_IHASHSIZE; args->ihashsize = simple_strtoul(value, &eov, 10); + } else if (!strcmp(this_char, MNTOPT_GRPID) || + !strcmp(this_char, MNTOPT_BSDGROUPS)) { + vfsp->vfs_flag |= VFS_GRPID; + } else if (!strcmp(this_char, MNTOPT_NOGRPID) || + !strcmp(this_char, MNTOPT_SYSVGROUPS)) { + vfsp->vfs_flag &= ~VFS_GRPID; } else if (!strcmp(this_char, MNTOPT_WSYNC)) { args->flags |= XFSMNT_WSYNC; } else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) { @@ -1814,14 +1818,26 @@ 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_NOBARRIER)) { + 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_ATTR2; + } else if (!strcmp(this_char, MNTOPT_NOATTR2)) { + args->flags &= ~XFSMNT_ATTR2; +#ifndef CONFIG_INOXID_NONE } else if (!strcmp(this_char, MNTOPT_TAGXID)) { - args->flags |= XFSMNT_TAGXID; + args->flags2 |= XFSMNT2_TAGXID; +#endif } else if (!strcmp(this_char, "osyncisdsync")) { /* no-op, this is now the default */ printk("XFS: osyncisdsync is now the default, option is deprecated.\n"); @@ -1871,10 +1887,15 @@ 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; } -int +STATIC int xfs_showargs( struct bhv_desc *bhv, struct seq_file *m) @@ -1891,12 +1912,11 @@ xfs_showargs( { XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID }, { XFS_MOUNT_NORECOVERY, "," MNTOPT_NORECOVERY }, { XFS_MOUNT_OSYNCISOSYNC, "," MNTOPT_OSYNCISOSYNC }, - { XFS_MOUNT_NOLOGFLUSH, "," MNTOPT_NOLOGFLUSH }, - { XFS_MOUNT_IDELETE, "," MNTOPT_NOIKEEP }, { 0, NULL } }; struct proc_xfs_info *xfs_infop; struct xfs_mount *mp = XFS_BHVTOM(bhv); + struct vfs *vfsp = XFS_MTOVFS(mp); for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) { if (mp->m_flags & xfs_infop->flag) @@ -1907,33 +1927,36 @@ 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<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); - - if (mp->m_ddev_targp != mp->m_logdev_targp) - seq_printf(m, "," MNTOPT_LOGDEV "=%s", - XFS_BUFTARG_NAME(mp->m_logdev_targp)); + seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10); - 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_logname) + seq_printf(m, "," MNTOPT_LOGDEV "=%s", mp->m_logname); + if (mp->m_rtname) + seq_printf(m, "," MNTOPT_RTDEV "=%s", mp->m_rtname); if (mp->m_dalign > 0) seq_printf(m, "," MNTOPT_SUNIT "=%d", (int)XFS_FSB_TO_BB(mp, mp->m_dalign)); - if (mp->m_swidth > 0) 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_IDELETE)) + seq_printf(m, "," MNTOPT_IKEEP); + 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) + seq_printf(m, "," MNTOPT_GRPID); + return 0; } @@ -1949,6 +1972,7 @@ xfs_freeze( /* Push the superblock and write an unmount record */ xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); + xfs_fs_log_dummy(mp); }