diff mbox series

[v4,20/25] xfs: don't allow to enable DAX on fs-verity sealsed inode

Message ID 20240212165821.1901300-21-aalbersh@redhat.com (mailing list archive)
State Superseded, archived
Headers show
Series fs-verity support for XFS | expand

Commit Message

Andrey Albershteyn Feb. 12, 2024, 4:58 p.m. UTC 
fs-verity doesn't support DAX. Forbid filesystem to enable DAX on
inodes which already have fs-verity enabled. The opposite is checked
when fs-verity is enabled, it won't be enabled if DAX is.

Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
---
 fs/xfs/xfs_iops.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 8972274b8bc0..4cf6b317d018 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1214,6 +1214,8 @@  xfs_inode_should_enable_dax(
 		return false;
 	if (!xfs_inode_supports_dax(ip))
 		return false;
+	if (ip->i_diflags2 & XFS_DIFLAG2_VERITY)
+		return false;
 	if (xfs_has_dax_always(ip->i_mount))
 		return true;
 	if (ip->i_diflags2 & XFS_DIFLAG2_DAX)