xfs: show uuid when mount fails due to duplicate uuid

When a system tries to mount a filesystem (FS) using UUID, the xfs
returns -EINVAL and shows a message if a FS with the same UUID has
been already mounted. It is useful to output the duplicate UUID
with it.

Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Ben Myers <bpm@sgi.com>
Cc: Alex Elder <elder@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Mitsuo Hayasaka 2012-01-13 05:58:39 +00:00 committed by Ben Myers
parent 4505360376
commit 021000e59c

View File

@ -158,7 +158,7 @@ xfs_uuid_mount(
out_duplicate:
mutex_unlock(&xfs_uuid_table_mutex);
xfs_warn(mp, "Filesystem has duplicate UUID - can't mount");
xfs_warn(mp, "Filesystem has duplicate UUID %pU - can't mount", uuid);
return XFS_ERROR(EINVAL);
}