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qemu: Don't reject making domain persistent if block copy is running

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Add documentation that the 'VIR_DOMAIN_BLOCK_COPY_TRANSIENT_JOB' flag
is auto-assumed if the block copy job is started while the VM is
transient and remove the restriction to define the domain when copy
is running.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-01-21 12:28:25 +01:00
parent 7431b3eb9a
commit 5ea24bbb54
2 changed files with 2 additions and 17 deletions
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13
src/libvirt-domain.c
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@ -6133,11 +6133,6 @@ virDomainGetBlockInfo(virDomainPtr domain, const char *disk,
* virDomainUndefine(). A previous definition for this domain would be
* overridden if it already exists.
*
* Some hypervisors may prevent this operation if there is a current
* block copy operation on a transient domain with the same id as the
* domain being defined; in that case, use virDomainBlockJobAbort() to
* stop the block copy first.
*
* virDomainFree should be used to free the resources after the
* domain object is no longer needed.
*
@ -6181,11 +6176,6 @@ virDomainDefineXML(virConnectPtr conn, const char *xml)
* virDomainUndefine(). A previous definition for this domain would be
* overridden if it already exists.
*
* Some hypervisors may prevent this operation if there is a current
* block copy operation on a transient domain with the same id as the
* domain being defined; in that case, use virDomainBlockJobAbort() to
* stop the block copy first.
*
* virDomainFree should be used to free the resources after the
* domain object is no longer needed.
*
@ -10312,7 +10302,8 @@ virDomainBlockRebase(virDomainPtr dom, const char *disk,
*
* If @flags contains VIR_DOMAIN_BLOCK_COPY_TRANSIENT_JOB the job will not be
* recoverable if the VM is turned off while job is active. This flag will
* remove the restriction of copy jobs to transient domains.
* remove the restriction of copy jobs to transient domains. Note that this flag
* is automatically implied if the VM is transient at the time it's started.
*
* The @disk parameter is either an unambiguous source name of the
* block device (the <source file='...'/> sub-element, such as

6
src/qemu/qemu_driver.c
View File

@ -7709,12 +7709,6 @@ qemuDomainDefineXMLFlags(virConnectPtr conn,
goto cleanup;
def = NULL;
if (qemuDomainHasBlockjob(vm, true)) {
virReportError(VIR_ERR_BLOCK_COPY_ACTIVE, "%s",
_("domain has active block job"));
virDomainObjAssignDef(vm, NULL, false, NULL);
goto cleanup;
}
vm->persistent = 1;
if (virDomainSaveConfig(cfg->configDir, driver->caps,