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qemu: fix RBD attach regression

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I have been testing libvirt v1.0.0 for deployment within my
organization, and in the process discovered what appears to be a bug
that breaks virsh attach-device, when attaching an RBD volume to an
instance. First, here is the error presented, with v1.0.0 (this worked
in v0.10.2):

[root@host ~]# virsh attach-device W5APQ8  G84VV1.xml
error: Failed to attach device from G84VV1.xml
error: cannot open file 'dc3-1-test/G84VV1': No such file or directory

Using git bisect, I narrowed the problem down to this as the first
commit to break this setup:

4d34c92947 is the first bad commit
This commit is contained in:
Scott Sullivan 2012-11-21 13:06:25 -05:00 committed by Eric Blake
parent bb2f621611
commit f0e72b2f5c
1 changed files with 1 additions and 1 deletions
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2
src/qemu/qemu_domain.c
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@ -2028,7 +2028,7 @@ qemuDomainDetermineDiskChain(struct qemud_driver *driver,
{
bool probe = driver->allowDiskFormatProbing;
if (!disk->src)
if (!disk->src || disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK)
return 0;
if (disk->backingChain) {