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qemu: hotplug: Use storage chain helpers in qemuDomainRemoveDiskDevice

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Use the new helpers for removing the backing chain in case when
-blockdev is used. For -drive this function has a local implementation.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-04-05 13:47:44 +02:00
parent 407fd434bc
commit 513faf6ccc
1 changed files with 13 additions and 6 deletions
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19
src/qemu/qemu_hotplug.c
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@ -4381,7 +4381,7 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
virDomainDiskDefPtr disk)
{
qemuDomainDiskPrivatePtr diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
qemuHotplugDiskSourceDataPtr diskbackend = NULL;
VIR_AUTOPTR(qemuBlockStorageSourceChainData) diskBackend = NULL;
virDomainDeviceDef dev;
size_t i;
qemuDomainObjPrivatePtr priv = vm->privateData;
@ -4392,13 +4392,21 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
VIR_DEBUG("Removing disk %s from domain %p %s",
disk->info.alias, vm, vm->def->name);
if (!(diskbackend = qemuHotplugDiskSourceRemovePrepare(disk, disk->src,
priv->qemuCaps)))
return -1;
if (blockdev) {
if (VIR_STRDUP(corAlias, diskPriv->nodeCopyOnRead) < 0)
goto cleanup;
if (!(diskBackend = qemuBlockStorageSourceChainDetachPrepareBlockdev(disk->src)))
goto cleanup;
} else {
char *driveAlias;
if (!(driveAlias = qemuAliasDiskDriveFromDisk(disk)))
goto cleanup;
if (!(diskBackend = qemuBlockStorageSourceChainDetachPrepareDrive(disk->src, driveAlias)))
goto cleanup;
}
for (i = 0; i < vm->def->ndisks; i++) {
@ -4413,7 +4421,7 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
if (corAlias)
ignore_value(qemuMonitorDelObject(priv->mon, corAlias));
qemuHotplugDiskSourceRemove(priv->mon, diskbackend);
qemuBlockStorageSourceChainDetach(priv->mon, diskBackend);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto cleanup;
@ -4435,7 +4443,6 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
ret = 0;
cleanup:
qemuHotplugDiskSourceDataFree(diskbackend);
virDomainDiskDefFree(disk);
return ret;
}