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qemu: domain: Convert detected 'iso' image format into 'raw' 

While our code can detect ISO as a separate format, qemu does not use it
as such and just passes it through as raw. Add conversion for detected
parts of the backing chain so that the validation code does not reject
it right away.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Peter Krempa 2020-02-25 13:28:10 +01:00
parent 0c37c60f3d
commit 3c6e6f55a5
1 changed files with 4 additions and 0 deletions
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4
src/qemu/qemu_domain.c
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@ -11493,6 +11493,10 @@ qemuDomainDetermineDiskChain(virQEMUDriverPtr driver,
return -1;
for (n = src->backingStore; virStorageSourceIsBacking(n); n = n->backingStore) {
/* convert detected ISO format to 'raw' as qemu would not understand it */
if (n->format == VIR_STORAGE_FILE_ISO)
n->format = VIR_STORAGE_FILE_RAW;
if (qemuDomainValidateStorageSource(n, priv->qemuCaps) < 0)
return -1;