[PATCH 4/5] ocfs2: 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/ocfs2/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index ca1646f..9c5e701 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2064,6 +2064,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	sb->s_maxbytes = ocfs2_max_file_offset(bbits, cbits);
 	memcpy(sb->s_uuid, di->id2.i_super.s_uuid,
 	       sizeof(di->id2.i_super.s_uuid));
+	sb->s_iflags |= SB_I_HAVE_UUID;
 
 	osb->osb_dx_mask = (1 << (cbits - bbits)) - 1;
 
-- 
2.7.4