[Qemu-block] [PATCH v2 2/2] iotests: Add regression test for commit base locking

[Fam Zheng]

Signed-off-by: Fam Zheng <address@hidden>
---
 tests/qemu-iotests/153     | 8 ++++++++
 tests/qemu-iotests/153.out | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/tests/qemu-iotests/153 b/tests/qemu-iotests/153
index adfd02695b..a7875e6899 100755
--- a/tests/qemu-iotests/153
+++ b/tests/qemu-iotests/153
@@ -178,6 +178,14 @@ rm -f "${TEST_IMG}.lnk" &>/dev/null
 ln -s ${TEST_IMG} "${TEST_IMG}.lnk" || echo "Failed to create link"
 _run_qemu_with_images "${TEST_IMG}.lnk" "${TEST_IMG}"
 
+echo
+echo "== Active commit to intermediate layer should work when base in use =="
+_launch_qemu -drive format=$IMGFMT,file="${TEST_IMG}.a",id=drive0 \
+             -device virtio-blk,drive=drive0
+_run_cmd $QEMU_IMG commit -b "${TEST_IMG}.b" "${TEST_IMG}.c"
+
+_cleanup_qemu
+
 _launch_qemu
 
 _send_qemu_cmd $QEMU_HANDLE \
diff --git a/tests/qemu-iotests/153.out b/tests/qemu-iotests/153.out
index 34309cfb20..28f8250dd2 100644
--- a/tests/qemu-iotests/153.out
+++ b/tests/qemu-iotests/153.out
@@ -372,6 +372,10 @@ Is another process using the image?
 == Symbolic link ==
 QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
 Is another process using the image?
+
+== Active commit to intermediate layer should work when base in use ==
+
+_qemu_img_wrapper commit -b TEST_DIR/t.qcow2.b TEST_DIR/t.qcow2.c
 {"return": {}}
 Adding drive
 
-- 
2.14.3