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| author | Christoph Hellwig <hch@sgi.com> | 2006-01-11 15:30:08 +1100 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-01-11 15:30:08 +1100 |
| commit | e13a73f02595c564e423bda5742fb8df4ebca455 (patch) | |
| tree | 0bd3dfd259bb21266332faa255f6d64001915fd1 /fs/xfs/xfs_fsops.c | |
| parent | 1df84c930a5101223da016f256b46b192dbf2b30 (diff) | |
| download | lwn-e13a73f02595c564e423bda5742fb8df4ebca455.tar.gz lwn-e13a73f02595c564e423bda5742fb8df4ebca455.zip | |
[XFS] Write log dummy record when freezing filesystem
SGI-PV: 945483
SGI-Modid: xfs-linux-melb:xfs-kern:202638a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
| -rw-r--r-- | fs/xfs/xfs_fsops.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index d1236d6f4045..163031c1e394 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -540,6 +540,32 @@ xfs_reserve_blocks( return(0); } +void +xfs_fs_log_dummy(xfs_mount_t *mp) +{ + xfs_trans_t *tp; + xfs_inode_t *ip; + + + tp = _xfs_trans_alloc(mp, XFS_TRANS_DUMMY1); + atomic_inc(&mp->m_active_trans); + if (xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0)) { + xfs_trans_cancel(tp, 0); + return; + } + + ip = mp->m_rootip; + xfs_ilock(ip, XFS_ILOCK_EXCL); + + xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + xfs_trans_ihold(tp, ip); + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + xfs_trans_set_sync(tp); + xfs_trans_commit(tp, 0, NULL); + + xfs_iunlock(ip, XFS_ILOCK_EXCL); +} + int xfs_fs_goingdown( xfs_mount_t *mp, |