diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2018-06-28 17:18:51 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-06-29 14:20:56 +0200 |
| commit | ae376c6255d0eee4b3c4d60acc4679aa99c0d2c8 (patch) | |
| tree | 01bcc8e84ff6596f91a864ea1c97dbe9f2b92974 | |
| parent | 8b24cd141549b5b264baeddd4e72902cfb5de23b (diff) | |
qemu-iotests: Test qcow2 not leaking clusters on write error
This adds a test for a temporary write failure, which simulates the
situation after werror=stop/enospc has stopped the VM. We shouldn't
leave leaked clusters behind in such cases.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
| -rwxr-xr-x | tests/qemu-iotests/026 | 17 | ||||
| -rw-r--r-- | tests/qemu-iotests/026.out | 8 | ||||
| -rw-r--r-- | tests/qemu-iotests/026.out.nocache | 8 |
3 files changed, 33 insertions, 0 deletions
diff --git a/tests/qemu-iotests/026 b/tests/qemu-iotests/026 index 7fadfbace5..582d254195 100755 --- a/tests/qemu-iotests/026 +++ b/tests/qemu-iotests/026 @@ -200,6 +200,23 @@ done done done +echo +echo === Avoid cluster leaks after temporary failure === +echo + +cat > "$TEST_DIR/blkdebug.conf" <<EOF +[inject-error] +event = "write_aio" +errno = "5" +once = "on" +EOF + +# After the failed first write, do a second write so that the updated refcount +# block is actually written back +_make_test_img 64M +$QEMU_IO -c "write 0 1M" -c "write 0 1M" "$BLKDBG_TEST_IMG" | _filter_qemu_io +_check_test_img + # success, all done echo "*** done" rm -f $seq.full diff --git a/tests/qemu-iotests/026.out b/tests/qemu-iotests/026.out index 8e89416a86..dd10a82b51 100644 --- a/tests/qemu-iotests/026.out +++ b/tests/qemu-iotests/026.out @@ -675,4 +675,12 @@ write failed: No space left on device 96 leaked clusters were found on the image. This means waste of disk space, but no harm to data. + +=== Avoid cluster leaks after temporary failure === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +write failed: Input/output error +wrote 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +No errors were found on the image. *** done diff --git a/tests/qemu-iotests/026.out.nocache b/tests/qemu-iotests/026.out.nocache index 650ccd8b01..1ca6cda15c 100644 --- a/tests/qemu-iotests/026.out.nocache +++ b/tests/qemu-iotests/026.out.nocache @@ -683,4 +683,12 @@ write failed: No space left on device 96 leaked clusters were found on the image. This means waste of disk space, but no harm to data. + +=== Avoid cluster leaks after temporary failure === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +write failed: Input/output error +wrote 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +No errors were found on the image. *** done |