block_resize:add case for data plane enabled

Signed-off-by:Aihua Liang<aliang@redhat.com>

qemu/tests/block_resize.py

@@ -73,7 +73,13 @@ def run(test, params, env):
 
     drive_path = ""
     if params.get("os_type") == 'linux':
-        drive_id = params["blk_extra_params_%s" % data_image].split("=")[1]
+        pattern = r"(serial|wwn)=(\w+)"
+        match = re.search(pattern, params["blk_extra_params_%s"
+                          % data_image], re.M)
+        if match:
+            drive_id = match.group(2)
+        else:
+            test.fail("No available tag to get drive id")
         drive_path = utils_misc.get_linux_drive_path(session, drive_id)
         if not drive_path:
             raise error.TestError("Failed to get '%s' drive path"

qemu/tests/cfg/block_resize.cfg

@@ -59,3 +59,14 @@
         disk_change_ratio = 1.5 0.5
     RHEL.5:
         need_reboot = yes
+    variants:
+        - @default:
+        - data_plane:
+            no Host_RHEL.m6
+            only virtio_blk virtio_scsi
+            iothreads = iothread0
+            virtio_blk:
+                blk_extra_params_stg += ",iothread=${iothreads}"
+            virtio_scsi:
+                no Host_RHEL.m7.u0, Host_RHEL.m7.u1, Host_RHEL.m7.u2
+                bus_extra_params_stg = "iothread=${iothreads}"