diff options
Diffstat (limited to 'fs/xfs/xfs_super.c')
| -rw-r--r-- | fs/xfs/xfs_super.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index b234e484fad0..919c6f4b0c22 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1116,6 +1116,24 @@ xfs_fs_sync_fs( if (!wait) return 0; + /* + * If we're in the middle of freezing the filesystem, this is our last + * chance to run regular transactions. Clear all the COW staging + * extents so that we can freeze the filesystem with as little recovery + * work to do at the next mount as possible. It's safe to do this + * without locking inodes because the freezer code flushed all the + * dirty data from the page cache and locked out writes and page faults. + */ + if (sb->s_writers.frozen == SB_FREEZE_PAGEFAULT) { + int error; + + error = xfs_icache_free_cowblocks(mp, NULL); + if (error) { + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); + return error; + } + } + xfs_log_force(mp, XFS_LOG_SYNC); if (laptop_mode) { /* |