ocfs2: Add incompatible flag for extended attribute

This patch adds the s_incompat flag for extended attribute support. This
helps us ensure that older versions of Ocfs2 or ocfs2-tools will not be able
to mount a volume with xattr support.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 3b04f5d2e89..c85e525950a 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1437,7 +1437,8 @@ static int ocfs2_initialize_super(struct super_block *sb,
 
         osb->slot_num = OCFS2_INVALID_SLOT;
 
-        osb->s_xattr_inline_size = OCFS2_MIN_XATTR_INLINE_SIZE;
+        osb->s_xattr_inline_size = le16_to_cpu(
+                                        di->id2.i_super.s_xattr_inline_size);
 
         osb->local_alloc_state = OCFS2_LA_UNUSED;
         osb->local_alloc_bh = NULL;