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qemu: Add memoryBackingDir to qemuDomainObjPrivate

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This way we _can_ (but do not, yet) remember the memory backing path for
running domains even after configuration change and daemon restart.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Martin Kletzander
2024-09-18 10:38:24 +02:00
parent c9a35eb255
commit da8a1d7943
5 changed files with 71 additions and 0 deletions
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5
src/qemu/qemu_domain.c
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@@ -1934,6 +1934,8 @@ qemuDomainObjPrivateDataClear(qemuDomainObjPrivate *priv)
g_slist_free_full(g_steal_pointer(&priv->threadContextAliases), g_free);
priv->migrationRecoverSetup = false;
g_clear_pointer(&priv->memoryBackingDir, g_free);
}
@@ -2708,6 +2710,7 @@ qemuDomainObjPrivateXMLFormat(virBuffer *buf,
virBufferEscapeString(buf, "<libDir path='%s'/>\n", priv->libDir);
virBufferEscapeString(buf, "<channelTargetDir path='%s'/>\n",
priv->channelTargetDir);
virBufferEscapeString(buf, "<memoryBackingDir path='%s'/>\n", priv->memoryBackingDir);
virCPUDefFormatBufFull(buf, priv->origCPU, NULL);
@@ -3429,6 +3432,8 @@ qemuDomainObjPrivateXMLParse(xmlXPathContextPtr ctxt,
priv->channelTargetDir = tmp;
tmp = NULL;
priv->memoryBackingDir = virXPathString("string(./memoryBackingDir/@path)", ctxt);
qemuDomainSetPrivatePathsOld(driver, vm);
if (virCPUDefParseXML(ctxt, "./cpu", VIR_CPU_TYPE_GUEST, &priv->origCPU,

2
src/qemu/qemu_domain.h
View File

@@ -261,6 +261,8 @@ struct _qemuDomainObjPrivate {
/* named file descriptor groups associated with the VM */
GHashTable *fds;
char *memoryBackingDir;
};
#define QEMU_DOMAIN_PRIVATE(vm) \