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qemu-iotests: Handle cache mode option in 091 

We should allow testing this on tmpfs. Any cache setting in iotests
should try to obey $CACHEMODE.

The cache mode is still "none" by default but overridable

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2014-05-20 09:10:32 +08:00 committed by Stefan Hajnoczi
parent 4aa23452e3
commit 7cf6376ae8
1 changed files with 4 additions and 2 deletions
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6
tests/qemu-iotests/091
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@ -47,6 +47,8 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
_supported_fmt qcow2
_supported_proto file
_supported_os Linux
_default_cache_mode "none"
_supported_cache_modes "writethrough" "none" "writeback"
size=1G
@ -59,13 +61,13 @@ echo === Starting QEMU VM1 ===
echo
qemu_comm_method="monitor"
_launch_qemu -drive file="${TEST_IMG}",cache=none,id=disk
_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk
h1=$QEMU_HANDLE
echo
echo === Starting QEMU VM2 ===
echo
_launch_qemu -drive file="${TEST_IMG}",cache=none,id=disk \
_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk \
-incoming "exec: cat '${MIG_FIFO}'"
h2=$QEMU_HANDLE