[PATCH 3/9] xfs: add missing nrext64 inode flag check to scrub

["Darrick J. Wong" <djwong@xxxxxxxxxx>]

From: Darrick J. Wong <djwong@xxxxxxxxxx>

Add this missing check that the superblock nrext64 flag is set if the
inode flag is set.

Fixes: 9b7d16e34bbeb ("xfs: Introduce XFS_DIFLAG2_NREXT64 and associated helpers")
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/xfs/scrub/inode.c |    4 ++++
 1 file changed, 4 insertions(+)


diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c
index 7e97db8255c6..6c40f3e020ea 100644
--- a/fs/xfs/scrub/inode.c
+++ b/fs/xfs/scrub/inode.c
@@ -342,6 +342,10 @@ xchk_inode_flags2(
 	if (xfs_dinode_has_bigtime(dip) && !xfs_has_bigtime(mp))
 		goto bad;
 
+	/* no large extent counts without the filesystem feature */
+	if ((flags2 & XFS_DIFLAG2_NREXT64) && !xfs_has_large_extent_counts(mp))
+		goto bad;
+
 	return;
 bad:
 	xchk_ino_set_corrupt(sc, ino);