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qemu: block: Explicitly specify backingStore when creating format layer props 

Pass in backing store explicitly to qemuBlockStorageSourceGetBlockdevProps
and fix the callers.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-09-03 13:27:52 +02:00
parent d6f1116091
commit a7643da82e
3 changed files with 8 additions and 5 deletions
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8
src/qemu/qemu_block.c
View File

@ -1396,15 +1396,16 @@ qemuBlockStorageSourceGetBlockdevFormatProps(virStorageSourcePtr src)
* qemuBlockStorageSourceGetBlockdevProps:
*
* @src: storage source to format
* @backingStore: a storage source to use as backing of @src
*
* Formats @src into a JSON object which can be used with blockdev-add or
* -blockdev. The formatted object contains both the storage and format layer
* in nested form including link to the backing chain layer if necessary.
*/
virJSONValuePtr
qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src)
qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src,
virStorageSourcePtr backingStore)
{
virStorageSourcePtr backingStore = src->backingStore;
VIR_AUTOPTR(virJSONValue) props = NULL;
if (!(props = qemuBlockStorageSourceGetBlockdevFormatProps(src)))
@ -1484,7 +1485,8 @@ qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr src,
if (VIR_ALLOC(data) < 0)
return NULL;
if (!(data->formatProps = qemuBlockStorageSourceGetBlockdevProps(src)) ||
if (!(data->formatProps = qemuBlockStorageSourceGetBlockdevProps(src,
src->backingStore)) ||
!(data->storageProps = qemuBlockStorageSourceGetBackendProps(src, false,
false,
autoreadonly)))

3
src/qemu/qemu_block.h
View File

@ -66,7 +66,8 @@ virURIPtr
qemuBlockStorageSourceGetURI(virStorageSourcePtr src);
virJSONValuePtr
qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src);
qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src,
virStorageSourcePtr backingStore);
virJSONValuePtr
qemuBlockStorageGetCopyOnReadProps(virDomainDiskDefPtr disk);

2
tests/qemublocktest.c
View File

@ -226,7 +226,7 @@ testQemuDiskXMLToProps(const void *opaque)
if (qemuDomainPrepareDiskSourceData(disk, n, NULL, data->qemuCaps) < 0)
goto cleanup;
if (!(formatProps = qemuBlockStorageSourceGetBlockdevProps(n)) ||
if (!(formatProps = qemuBlockStorageSourceGetBlockdevProps(n, n->backingStore)) ||
!(storageSrcOnlyProps = qemuBlockStorageSourceGetBackendProps(n, false, true, true)) ||
!(storageProps = qemuBlockStorageSourceGetBackendProps(n, false, false, true))) {
if (!data->fail) {