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qcow2: Change default for new images to compat=1.1

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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>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2013-08-19 10:38:01 +02:00
parent b5d54bd421
commit 9117b47717
1 changed files with 3 additions and 1 deletions
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4
block/qcow2.c
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@ -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;