Integrate existing dmapi qa tests into xfs qa infrastructure

Merge of master-melb:xfs-cmds:27764a by kenmcd.

  Dmapi get/set_dmattr

common.dmapi

@@ -0,0 +1,23 @@
+##/bin/sh
+#
+# Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
+#
+# dmapi functions
+#
+
+# Commands relitive to dmapi qa
+
+DMAPI_QASUITE1_DIR=$here/dmapi/src/suite1/
+DMAPI_QASUITE2_DIR=$here/dmapi/src/suite2/
+
+DMAPI_LS_TO_COPY_PATH=$DMAPI_QASUITE2_DIR/bindir/ls_to_copy
+
+_dmapi_scratch_mount () {
+    if [ `echo "$MOUNT_OPTIONS" | grep -c dmapi` -gt 0 -o \
+         `echo "$MOUNT_OPTIONS" | grep -c dmi` -gt 0 ] ; then
+        #already got dmapi options set
+        _scratch_mount
+    else
+        _scratch_mount "-o dmapi,mtpt=$SCRATCH_MNT"
+    fi
+}