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qemu: blockjob: Store 'jobflags' with block job data

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Add a variable which will store the contents of the 'flags' variable as
passed in by the individual block jobs. Since the flags may influence
behaviour of the jobs it's important to preserve them to the
finalization steps.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-01-31 13:00:29 +01:00
parent 509ddcfde2
commit 9ba804a1d1
4 changed files with 15 additions and 5 deletions
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3
src/qemu/qemu_blockjob.h
View File

@ -129,6 +129,9 @@ struct _qemuBlockJobData {
virStorageSourcePtr chain; /* Reference to the chain the job operates on. */
virStorageSourcePtr mirrorChain; /* reference to 'mirror' part of the job */
unsigned int jobflags; /* per job flags */
bool jobflagsmissing; /* job flags were not stored */
union {
qemuBlockJobPullData pull;
qemuBlockJobCommitData commit;

7
src/qemu/qemu_domain.c
View File

@ -2546,6 +2546,8 @@ qemuDomainObjPrivateXMLFormatBlockjobIterator(void *payload,
virBufferEscapeString(&attrBuf, " newstate='%s'", newstate);
if (job->brokentype != QEMU_BLOCKJOB_TYPE_NONE)
virBufferEscapeString(&attrBuf, " brokentype='%s'", qemuBlockjobTypeToString(job->brokentype));
if (!job->jobflagsmissing)
virBufferAsprintf(&attrBuf, " jobflags='0x%x'", job->jobflags);
virBufferEscapeString(&childBuf, "<errmsg>%s</errmsg>", job->errmsg);
if (job->disk) {
@ -3244,6 +3246,7 @@ qemuDomainObjPrivateXMLParseBlockjobData(virDomainObjPtr vm,
int newstate = -1;
bool invalidData = false;
xmlNodePtr tmp;
unsigned long jobflags = 0;
ctxt->node = node;
@ -3283,6 +3286,9 @@ qemuDomainObjPrivateXMLParseBlockjobData(virDomainObjPtr vm,
STRNEQ(mirror, "yes"))
invalidData = true;
if (virXPathULongHex("string(./@jobflags)", ctxt, &jobflags) != 0)
job->jobflagsmissing = true;
if (!disk && !invalidData) {
if ((tmp = virXPathNode("./chains/disk", ctxt)) &&
!(job->chain = qemuDomainObjPrivateXMLParseBlockjobChain(tmp, ctxt, xmlopt)))
@ -3302,6 +3308,7 @@ qemuDomainObjPrivateXMLParseBlockjobData(virDomainObjPtr vm,
job->state = state;
job->newstate = newstate;
job->jobflags = jobflags;
job->errmsg = virXPathString("string(./errmsg)", ctxt);
job->invalidData = invalidData;
job->disk = disk;

2
tests/qemustatusxml2xmldata/backup-pull-in.xml
View File

@ -235,7 +235,7 @@
<allowReboot value='yes'/>
<nodename index='0'/>
<blockjobs active='yes'>
<blockjob name='backup-vda-libvirt-3-format' type='backup' state='running'>
<blockjob name='backup-vda-libvirt-3-format' type='backup' state='running' jobflags='0x0'>
<disk dst='vda'/>
<bitmap name='bitmapname'/>
<store type='file' format='qcow2'>

8
tests/qemustatusxml2xmldata/blockjob-blockdev-in.xml
View File

@ -261,19 +261,19 @@
</source>
</src>
</blockjob>
<blockjob name='copy-vdd-libvirt-4321-format' type='copy' state='ready' shallownew='yes'>
<blockjob name='copy-vdd-libvirt-4321-format' type='copy' state='ready' jobflags='0x0' shallownew='yes'>
<disk dst='vdd'/>
</blockjob>
<blockjob name='commit-vdc-libvirt-9-format' type='commit' state='running'>
<blockjob name='commit-vdc-libvirt-9-format' type='commit' state='running' jobflags='0x0'>
<disk dst='vdc'/>
<base node='libvirt-11-format'/>
<top node='libvirt-9-format'/>
<topparent node='libvirt-2-format'/>
</blockjob>
<blockjob name='drive-virtio-disk0' type='copy' state='ready'>
<blockjob name='drive-virtio-disk0' type='copy' state='ready' jobflags='0x0'>
<disk dst='vda' mirror='yes'/>
</blockjob>
<blockjob name='create-libvirt-1338-format' type='create' state='running'>
<blockjob name='create-libvirt-1338-format' type='create' state='running' jobflags='0xabcd'>
<chains>
<disk type='file' format='qcow2'>
<source file='/create/src1.qcow2' index='1339'>