xfs: don't allow reflink + realtime filesystems



We don't support realtime filesystems with reflink either, so fail
those mounts.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>

parent b6e03c10

fs/xfs/xfs_super.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1684,6 +1684,13 @@ xfs_fs_fill_super(
		}
		}

		if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) {
		xfs_alert(mp,
		"reflink not compatible with realtime device!");
		error = -EINVAL;
		goto out_filestream_unmount;
		}

		if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
		if (mp->m_sb.sb_rblocks) {
		xfs_alert(mp,