common/xfs: create a helper for restoring metadumps to the scratch devs

Refactor the open-coded $XFS_MDRESTORE_PROG calls into a proper
_scratch_xfs_mdrestore helper.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/common/xfs b/common/xfs
index 938c5826..14be4406 100644
--- a/common/xfs
+++ b/common/xfs
@@ -660,6 +660,15 @@ _scratch_xfs_metadump()
 	_xfs_metadump "$metadump" "$SCRATCH_DEV" "$logdev" nocompress "$@"
 }
 
+# Restore snapshotted metadata on the scratch device
+_scratch_xfs_mdrestore()
+{
+	local metadump=$1
+	shift
+
+	_xfs_mdrestore "$metadump" "$SCRATCH_DEV" "$@"
+}
+
 # run xfs_check and friends on a FS.
 _check_xfs_filesystem()
 {