From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Albershteyn Date: Tue, 4 Apr 2023 16:53:14 +0200 Subject: [Cluster-devel] [PATCH v2 18/23] xfs: don't allow to enable DAX on fs-verity sealsed inode In-Reply-To: <20230404145319.2057051-1-aalbersh@redhat.com> References: <20230404145319.2057051-1-aalbersh@redhat.com> Message-ID: <20230404145319.2057051-19-aalbersh@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 --- fs/xfs/xfs_iops.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 5398be75a76a..e0d7107a9ba1 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1204,6 +1204,8 @@ 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) -- 2.38.4