We don't yet support dax on reflinked files, but that is in the works.
Further, having the flag set does not automatically mean that the inode
is actually "in the CPU direct access state," which depends on several
other conditions in addition to the flag being set.
As such, we should not catch this as corruption in the verifier - simply
not actually enabling S_DAX on reflinked files is enough for now.
Fixes: 4f435ebe7d04 ("xfs: don't mix reflink and DAX mode for now")
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_inode_buf.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index c667c63f2cb0..4d7410e49db4 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -547,10 +547,6 @@ xfs_dinode_verify(
if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME))
return __this_address;
- /* don't let reflink and dax mix */
- if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags2 & XFS_DIFLAG2_DAX))
- return __this_address;
-
/* COW extent size hint validation */
fa = xfs_inode_validate_cowextsize(mp, be32_to_cpu(dip->di_cowextsize),
mode, flags, flags2);
--
2.17.0
