config: wrap xfs_metadump as $XFS_METADUMP_PROG like the other tools

When we set up a fstests run, preserve the path xfs_metadump binary with
an $XFS_METADUMP_PROG wrapper, like we do for the other xfsprogs tools.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

common/config

@@ -156,6 +156,7 @@ MKSWAP_PROG="$MKSWAP_PROG -f"
 export XFS_LOGPRINT_PROG="$(type -P xfs_logprint)"
 export XFS_REPAIR_PROG="$(type -P xfs_repair)"
 export XFS_DB_PROG="$(type -P xfs_db)"
+export XFS_METADUMP_PROG="$(type -P xfs_metadump)"
 export XFS_ADMIN_PROG="$(type -P xfs_admin)"
 export XFS_GROWFS_PROG=$(type -P xfs_growfs)
 export XFS_SPACEMAN_PROG="$(type -P xfs_spaceman)"

common/rc

@@ -499,7 +499,7 @@ _scratch_metadump()
 	[ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
 		options="-l $SCRATCH_LOGDEV"
 
-	xfs_metadump $options "$@" $SCRATCH_DEV $dumpfile
+	$XFS_METADUMP_PROG $options "$@" $SCRATCH_DEV $dumpfile
 }
 
 _setup_large_ext4_fs()