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qemu: block: enable the snapshot image deletion feature

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With all plumbing in place, we can now enable the new functionality.

Signed-off-by: Pavel Mores <pmores@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Pavel Mores 2019-12-10 17:25:41 +01:00 committed by Peter Krempa
parent 73532dadd2
commit 7d484ede20
1 changed files with 9 additions and 2 deletions
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11
src/qemu/qemu_driver.c
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@ -18544,10 +18544,10 @@ qemuDomainBlockCommit(virDomainPtr dom,
bool persistjob = false;
bool blockdev = false;
/* XXX Add support for COMMIT_DELETE */
virCheckFlags(VIR_DOMAIN_BLOCK_COMMIT_SHALLOW |
VIR_DOMAIN_BLOCK_COMMIT_ACTIVE |
VIR_DOMAIN_BLOCK_COMMIT_RELATIVE |
VIR_DOMAIN_BLOCK_COMMIT_DELETE |
VIR_DOMAIN_BLOCK_COMMIT_BANDWIDTH_BYTES, -1);
if (!(vm = qemuDomainObjFromDomain(dom)))
@ -18568,6 +18568,12 @@ qemuDomainBlockCommit(virDomainPtr dom,
blockdev = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV);
if (!blockdev && (flags & VIR_DOMAIN_BLOCK_COMMIT_DELETE)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("deleting committed images is not supported by this VM"));
goto endjob;
}
/* Convert bandwidth MiB to bytes, if necessary */
if (!(flags & VIR_DOMAIN_BLOCK_COMMIT_BANDWIDTH_BYTES)) {
if (speed > LLONG_MAX >> 20) {
@ -18686,7 +18692,8 @@ qemuDomainBlockCommit(virDomainPtr dom,
goto endjob;
if (!(job = qemuBlockJobDiskNewCommit(vm, disk, top_parent, topSource,
baseSource, false)))
baseSource,
flags & VIR_DOMAIN_BLOCK_COMMIT_DELETE)))
goto endjob;
disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_NONE;