@@ -1402,7 +1402,7 @@ static int qcow2_create(const char *filename, QEMUOptionParameter *options)
int flags = 0;
size_t cluster_size = DEFAULT_CLUSTER_SIZE;
int prealloc = 0;
- int version = 2;
+ int version = 3;
/* Read out options */
while (options && options->name) {
@@ -1429,7 +1429,9 @@ static int qcow2_create(const char *filename, QEMUOptionParameter *options)
return -EINVAL;
}
} else if (!strcmp(options->name, BLOCK_OPT_COMPAT_LEVEL)) {
- if (!options->value.s || !strcmp(options->value.s, "0.10")) {
+ if (!options->value.s) {
+ /* keep the default */
+ } else if (!strcmp(options->value.s, "0.10")) {
version = 2;
} else if (!strcmp(options->value.s, "1.1")) {
version = 3;
By the time that qemu 1.7 will be released, enough time will have passed since qemu 1.1, which is the first version to understand version 3 images, that changing the default shouldn't hurt many people any more and the benefits of using the new format outweigh the pain. qemu-iotests already runs with compat=1.1 by default. Signed-off-by: Kevin Wolf <kwolf@redhat.com> --- block/qcow2.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)