[PATCH 5/5] xfs: set the super block SB_I_HAVE_UUID flag

[Amir Goldstein <amir73il@xxxxxxxxx>]

Let consumers (i.e. overlayfs) know that the content of the field
sb->s_uuid is valid.

Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
---
 fs/xfs/xfs_mount.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 29e45a0..bb1d325 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -103,6 +103,7 @@ xfs_uuid_mount(
 	/* Publish UUID in struct super_block */
 	BUILD_BUG_ON(sizeof(mp->m_super->s_uuid) != sizeof(uuid_t));
 	memcpy(&mp->m_super->s_uuid, uuid, sizeof(uuid_t));
+	mp->m_super->s_iflags |= SB_I_HAVE_UUID;
 	return 0;
 
  out_duplicate:
-- 
2.7.4