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qemu: domain: Extract parsing of NBD status XML

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Extract the NBD portion of the 'job' status XML element parser into a
separate function.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Peter Krempa 2018-03-12 15:33:39 +01:00
parent 0d6ec712d3
commit 35a8487ad9
1 changed files with 38 additions and 22 deletions
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60
src/qemu/qemu_domain.c
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@ -2367,16 +2367,50 @@ qemuDomainObjPrivateXMLParsePR(xmlXPathContextPtr ctxt,
}
static int
qemuDomainObjPrivateXMLParseJobNBD(virDomainObjPtr vm,
qemuDomainObjPrivatePtr priv,
xmlXPathContextPtr ctxt)
{
xmlNodePtr *nodes = NULL;
size_t i;
int n;
int ret = -1;
if ((n = virXPathNodeSet("./disk[@migrating='yes']", ctxt, &nodes)) < 0)
goto cleanup;
if (n > 0) {
if (priv->job.asyncJob != QEMU_ASYNC_JOB_MIGRATION_OUT) {
VIR_WARN("Found disks marked for migration but we were not "
"migrating");
n = 0;
}
for (i = 0; i < n; i++) {
char *dst = virXMLPropString(nodes[i], "dev");
virDomainDiskDefPtr disk;
if (dst && (disk = virDomainDiskByName(vm->def, dst, false)))
QEMU_DOMAIN_DISK_PRIVATE(disk)->migrating = true;
VIR_FREE(dst);
}
}
ret = 0;
cleanup:
VIR_FREE(nodes);
return ret;
}
static int
qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
qemuDomainObjPrivatePtr priv,
xmlXPathContextPtr ctxt)
{
xmlNodePtr *nodes = NULL;
xmlNodePtr savedNode = ctxt->node;
char *tmp = NULL;
size_t i;
int n;
int ret = -1;
if (!(ctxt->node = virXPathNode("./job[1]", ctxt))) {
@ -2423,26 +2457,9 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
goto cleanup;
}
if ((n = virXPathNodeSet("./disk[@migrating='yes']", ctxt, &nodes)) < 0)
if (qemuDomainObjPrivateXMLParseJobNBD(vm, priv, ctxt) < 0)
goto cleanup;
if (n > 0) {
if (priv->job.asyncJob != QEMU_ASYNC_JOB_MIGRATION_OUT) {
VIR_WARN("Found disks marked for migration but we were not "
"migrating");
n = 0;
}
for (i = 0; i < n; i++) {
char *dst = virXMLPropString(nodes[i], "dev");
virDomainDiskDefPtr disk;
if (dst && (disk = virDomainDiskByName(vm->def, dst, false)))
QEMU_DOMAIN_DISK_PRIVATE(disk)->migrating = true;
VIR_FREE(dst);
}
}
VIR_FREE(nodes);
if (qemuMigrationParamsParse(ctxt, &priv->job.migParams) < 0)
goto cleanup;
@ -2451,7 +2468,6 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
cleanup:
ctxt->node = savedNode;
VIR_FREE(tmp);
VIR_FREE(nodes);
return ret;
}