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qemu: domain: Allow formatting top source only in qemuDomainObjPrivateXMLFormatBlockjobFormatChain

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Rename qemuDomainObjPrivateXMLFormatBlockjobFormatChain to
qemuDomainObjPrivateXMLFormatBlockjobFormatSource and add a 'chain'
parameter which allows controlling whether the backing chain is
formatted.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-07-25 15:54:48 +02:00
parent 60b862cf9d
commit 734352d434
1 changed files with 18 additions and 14 deletions
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32
src/qemu/qemu_domain.c
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@ -2315,10 +2315,11 @@ typedef struct qemuDomainPrivateBlockJobFormatData {
static int
qemuDomainObjPrivateXMLFormatBlockjobFormatChain(virBufferPtr buf,
const char *chainname,
virStorageSourcePtr src,
virDomainXMLOptionPtr xmlopt)
qemuDomainObjPrivateXMLFormatBlockjobFormatSource(virBufferPtr buf,
const char *element,
virStorageSourcePtr src,
virDomainXMLOptionPtr xmlopt,
bool chain)
{
VIR_AUTOCLEAN(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
VIR_AUTOCLEAN(virBuffer) childBuf = VIR_BUFFER_INITIALIZER;
@ -2333,10 +2334,11 @@ qemuDomainObjPrivateXMLFormatBlockjobFormatChain(virBufferPtr buf,
if (virDomainDiskSourceFormat(&childBuf, src, "source", 0, true, xmlflags, xmlopt) < 0)
return -1;
if (virDomainDiskBackingStoreFormat(&childBuf, src, xmlopt, xmlflags) < 0)
if (chain &&
virDomainDiskBackingStoreFormat(&childBuf, src, xmlopt, xmlflags) < 0)
return -1;
if (virXMLFormatElement(buf, chainname, &attrBuf, &childBuf) < 0)
if (virXMLFormatElement(buf, element, &attrBuf, &childBuf) < 0)
return -1;
return 0;
@ -2375,17 +2377,19 @@ qemuDomainObjPrivateXMLFormatBlockjobIterator(void *payload,
virBufferAddLit(&childBuf, "/>\n");
} else {
if (job->chain &&
qemuDomainObjPrivateXMLFormatBlockjobFormatChain(&chainsBuf,
"disk",
job->chain,
data->xmlopt) < 0)
qemuDomainObjPrivateXMLFormatBlockjobFormatSource(&chainsBuf,
"disk",
job->chain,
data->xmlopt,
true) < 0)
return -1;
if (job->mirrorChain &&
qemuDomainObjPrivateXMLFormatBlockjobFormatChain(&chainsBuf,
"mirror",
job->mirrorChain,
data->xmlopt) < 0)
qemuDomainObjPrivateXMLFormatBlockjobFormatSource(&chainsBuf,
"mirror",
job->mirrorChain,
data->xmlopt,
true) < 0)
return -1;
if (virXMLFormatElement(&childBuf, "chains", NULL, &chainsBuf) < 0)