xfs: log unmount events on console

There are times, when doing triage and forensics,
that we would like to know whether a filesystem was unmounted,
or if the plug was pulled without a clean unmount.  Log
unmounts at the same level (NOTICE) as we log mounts.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 8fcc4cc..dd40d25 100644 (file)
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1039,6 +1039,7 @@ xfs_fs_put_super(
 {
        struct xfs_mount        *mp = XFS_M(sb);
 
+       xfs_notice(mp, "Unmounting Filesystem");
        xfs_filestream_unmount(mp);
        xfs_unmountfs(mp);