diff options
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 0bc623c175e9..5d52249b1fe5 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1059,11 +1059,12 @@ xfs_unmountfs( * We can potentially deadlock here if we have an inode cluster * that has been freed has its buffer still pinned in memory because * the transaction is still sitting in a iclog. The stale inodes - * on that buffer will have their flush locks held until the - * transaction hits the disk and the callbacks run. the inode - * flush takes the flush lock unconditionally and with nothing to - * push out the iclog we will never get that unlocked. hence we - * need to force the log first. + * on that buffer will be pinned to the buffer until the + * transaction hits the disk and the callbacks run. Pushing the AIL will + * skip the stale inodes and may never see the pinned buffer, so + * nothing will push out the iclog and unpin the buffer. Hence we + * need to force the log here to ensure all items are flushed into the + * AIL before we go any further. */ xfs_log_force(mp, XFS_LOG_SYNC); |