| Message ID | 20230404145319.2057051-19-aalbersh@redhat.com |
|---|---|
| State | Not Applicable |
| Headers | show
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From: Andrey Albershteyn <aalbersh@redhat.com>
To: djwong@kernel.org, dchinner@redhat.com, ebiggers@kernel.org,
hch@infradead.org, linux-xfs@vger.kernel.org,
fsverity@lists.linux.dev
Cc: rpeterso@redhat.com, agruenba@redhat.com, xiang@kernel.org,
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Subject: [PATCH v2 18/23] xfs: don't allow to enable DAX on fs-verity sealsed
inode
Date: Tue, 4 Apr 2023 16:53:14 +0200
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|
| Series |
fs-verity support for XFS
|
expand
|
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)
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(+)