diff options
| author | Christoph Hellwig <hch@sgi.com> | 2005-06-21 15:40:48 +1000 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2005-06-21 15:40:48 +1000 |
| commit | f898d6c09caa40d82203acd72e9fda3cd5aeae74 (patch) | |
| tree | 4fc118dd4374cae5804e427e2703c2343d01a6a4 /fs/xfs/linux-2.6 | |
| parent | 48fab6bf5f8baf0d16b20a35e537719d14b66275 (diff) | |
[XFS] quiesce the filesystem proper when freezing
SGI-PV: 936977
SGI-Modid: xfs-linux:xfs-kern:193840a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 6 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vfs.h | 1 |
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index d5f0340ddcd..5fe9af38aa2 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -590,8 +590,10 @@ linvfs_sync_super( int error; int flags = SYNC_FSDATA; - if (wait) - flags |= SYNC_WAIT; + if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) + flags = SYNC_QUIESCE; + else + flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); VFS_SYNC(vfsp, flags, NULL, error); sb->s_dirt = 0; diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index 76493991578..7ee1f714e9b 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -107,6 +107,7 @@ typedef enum { #define SYNC_FSDATA 0x0020 /* flush fs data (e.g. superblocks) */ #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ +#define SYNC_QUIESCE 0x0100 /* quiesce fileystem for a snapshot */ typedef int (*vfs_mount_t)(bhv_desc_t *, struct xfs_mount_args *, struct cred *); |