[PATCH 2/4] xfs: Fix SB_BORN check in xfs_dax_notify_failure()

[Dan Williams]

The SB_BORN flag is stored in the vfs superblock, not xfs_sb.

Fixes: 6f643c57d57c ("xfs: implement ->notify_failure() for XFS")
Cc: Shiyang Ruan <ruansy.f...@fujitsu.com>
Cc: Christoph Hellwig <h...@lst.de>
Cc: Darrick J. Wong <djw...@kernel.org>
Cc: Al Viro <v...@zeniv.linux.org.uk>
Cc: Dave Chinner <da...@fromorbit.com>
Cc: Goldwyn Rodrigues <rgold...@suse.de>
Cc: Jane Chu <jane....@oracle.com>
Cc: Matthew Wilcox <wi...@infradead.org>
Cc: Miaohe Lin <linmia...@huawei.com>
Cc: Naoya Horiguchi <naoya.horigu...@nec.com>
Cc: Ritesh Harjani <rite...@linux.ibm.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.willi...@intel.com>
---
 fs/xfs/xfs_notify_failure.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_notify_failure.c b/fs/xfs/xfs_notify_failure.c
index 01e2721589c4..5b1f9a24ed59 100644
--- a/fs/xfs/xfs_notify_failure.c
+++ b/fs/xfs/xfs_notify_failure.c
@@ -175,7 +175,7 @@ xfs_dax_notify_failure(
        u64                     ddev_start;
        u64                     ddev_end;
 
-       if (!(mp->m_sb.sb_flags & SB_BORN)) {
+       if (!(mp->m_super->s_flags & SB_BORN)) {
                xfs_warn(mp, "filesystem is not ready for notify_failure()!");
                return -EIO;
        }