diff options
| author | Christoph Hellwig <hch@infradead.org> | 2007-08-29 11:59:36 +1000 |
|---|---|---|
| committer | Tim Shimmin <tes@chook.melbourne.sgi.com> | 2007-10-16 11:41:15 +1000 |
| commit | 293688ec420f1160ed93ea4c7948ed5baf8bafa7 (patch) | |
| tree | 3e342f759b3ae0499eedcb8f050dd2c4c1b48e93 /fs/xfs/xfs_vfsops.c | |
| parent | f541d270dbce375b7bd8cef466bdaf0cff945b45 (diff) | |
[XFS] remove dependency of the dmapi module on behaviors
Mount options are now parsed by the main XFS module and rejected if dmapi
support is not available, and there is a new dm operation to send the
mount event.
SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29502a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_vfsops.c')
| -rw-r--r-- | fs/xfs/xfs_vfsops.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 8c0e0227924..1cf8f54d8aa 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -326,6 +326,8 @@ xfs_start_flags( if (ap->flags2 & XFSMNT2_FILESTREAMS) mp->m_flags |= XFS_MOUNT_FILESTREAMS; + if (ap->flags & XFSMNT_DMAPI) + vfs->vfs_flag |= VFS_DMI; return 0; } @@ -430,11 +432,13 @@ xfs_mount( ddev = vfsp->vfs_super->s_bdev; logdev = rtdev = NULL; + error = xfs_dmops_get(mp, args); + if (error) + return error; + /* * Setup xfs_mount function vectors from available behaviors */ - p = vfs_bhv_lookup(vfsp, VFS_POSITION_DM); - mp->m_dm_ops = p ? *(xfs_dmops_t *) vfs_bhv_custom(p) : xfs_dmcore_stub; p = vfs_bhv_lookup(vfsp, VFS_POSITION_QM); mp->m_qm_ops = p ? *(xfs_qmops_t *) vfs_bhv_custom(p) : xfs_qmcore_stub; p = vfs_bhv_lookup(vfsp, VFS_POSITION_IO); @@ -537,6 +541,8 @@ xfs_mount( if (error) goto error2; + XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, args->mtpt, args->fsname); + return 0; error2: @@ -550,6 +556,7 @@ error1: xfs_binval(mp->m_rtdev_targp); error0: xfs_unmountfs_close(mp, credp); + xfs_dmops_put(mp); return error; } @@ -640,6 +647,7 @@ out: * and free the super block buffer & mount structures. */ xfs_unmountfs(mp, credp); + xfs_dmops_put(mp); kmem_free(mp, sizeof(xfs_mount_t)); } @@ -1688,6 +1696,9 @@ xfs_vget( #define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */ #define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */ #define MNTOPT_FILESTREAM "filestreams" /* use filestreams allocator */ +#define MNTOPT_DMAPI "dmapi" /* DMI enabled (DMAPI / XDSM) */ +#define MNTOPT_XDSM "xdsm" /* DMI enabled (DMAPI / XDSM) */ +#define MNTOPT_DMI "dmi" /* DMI enabled (DMAPI / XDSM) */ STATIC unsigned long suffix_strtoul(char *s, char **endp, unsigned int base) @@ -1878,6 +1889,12 @@ xfs_parseargs( args->flags &= ~XFSMNT_ATTR2; } else if (!strcmp(this_char, MNTOPT_FILESTREAM)) { args->flags2 |= XFSMNT2_FILESTREAMS; + } else if (!strcmp(this_char, MNTOPT_DMAPI)) { + args->flags |= XFSMNT_DMAPI; + } else if (!strcmp(this_char, MNTOPT_XDSM)) { + args->flags |= XFSMNT_DMAPI; + } else if (!strcmp(this_char, MNTOPT_DMI)) { + args->flags |= XFSMNT_DMAPI; } else if (!strcmp(this_char, "ihashsize")) { cmn_err(CE_WARN, "XFS: ihashsize no longer used, option is deprecated."); @@ -1909,6 +1926,12 @@ xfs_parseargs( return EINVAL; } + if ((args->flags & XFSMNT_DMAPI) && *args->mtpt == '\0') { + printk("XFS: %s option needs the mount point option as well\n", + MNTOPT_DMAPI); + return EINVAL; + } + if ((dsunit && !dswidth) || (!dsunit && dswidth)) { cmn_err(CE_WARN, "XFS: sunit and swidth must be specified together"); @@ -2002,6 +2025,9 @@ xfs_showargs( if (vfsp->vfs_flag & VFS_GRPID) seq_printf(m, "," MNTOPT_GRPID); + if (vfsp->vfs_flag & VFS_DMI) + seq_puts(m, "," MNTOPT_DMAPI); + return 0; } @@ -2032,7 +2058,6 @@ bhv_vfsops_t xfs_vfsops = { .vfs_statvfs = xfs_statvfs, .vfs_sync = xfs_sync, .vfs_vget = xfs_vget, - .vfs_dmapiops = (vfs_dmapiops_t)fs_nosys, .vfs_quotactl = (vfs_quotactl_t)fs_nosys, .vfs_init_vnode = xfs_initialize_vnode, .vfs_force_shutdown = xfs_do_force_shutdown, |