As dax inches closer to production use, an administrator should not be surprised by silently disabling the feature they asked for. Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxxx> --- fs/xfs/xfs_super.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 207ee30..a0a32cd 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1674,9 +1674,9 @@ struct proc_xfs_info { rtdev_is_dax = bdev_dax_supported( mp->m_rtdev_targp->bt_bdev, sb->s_blocksize); if (!rtdev_is_dax && !datadev_is_dax) { - xfs_alert(mp, - "DAX unsupported by block device. Turning off DAX."); - mp->m_flags &= ~XFS_MOUNT_DAX; + xfs_alert(mp, "DAX unsupported by block device."); + error = -EINVAL; + goto out_filestream_unmount; } if (xfs_sb_version_hasreflink(&mp->m_sb)) { xfs_alert(mp, -- 1.8.3.1