summaryrefslogtreecommitdiff
path: root/fs/xfs/libxfs/xfs_inode_buf.c
diff options
context:
space:
mode:
authorDarrick J. Wong <darrick.wong@oracle.com>2016-10-03 09:11:50 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2016-10-05 16:26:31 -0700
commit4f435ebe7d0422af61cdcddbbcc659888645a1e1 (patch)
tree49f6833f8b5b9e71c2df1b540fcbe933dfcd7087 /fs/xfs/libxfs/xfs_inode_buf.c
parentc8e156ac336d82f67d7adc014404a2251e9dad09 (diff)
xfs: don't mix reflink and DAX mode for now
Since we don't have a strategy for handling both DAX and reflink, for now we'll just prohibit both being set at the same time. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_buf.c')
-rw-r--r--fs/xfs/libxfs/xfs_inode_buf.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index f1b9d97c540f..8de9a3a29589 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -407,6 +407,10 @@ xfs_dinode_verify(
if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME))
return false;
+ /* don't let reflink and dax mix */
+ if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags2 & XFS_DIFLAG2_DAX))
+ return false;
+
return true;
}