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qemu: propagate iotune settings to all disks in the group

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Currently upon successfull call to qemu's implementation of
virDomainSetBlockIoTune iotune settings are changed only for the
disk given in API if the disk is in iotune group while we need
to change the settings for all disks in the group.

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Nikolay Shirokovskiy 2020-01-08 09:49:29 +03:00 committed by Michal Privoznik
parent eb4455daab
commit e7efffe6cb
1 changed files with 22 additions and 0 deletions
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22
src/qemu/qemu_driver.c
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@ -19117,6 +19117,26 @@ qemuDomainSetBlockIoTuneDefaults(virDomainBlockIoTuneInfoPtr newinfo,
}
static void
qemuDomainSetGroupBlockIoTune(virDomainDefPtr def,
virDomainBlockIoTuneInfoPtr iotune)
{
size_t i;
if (!iotune->group_name)
return;
for (i = 0; i < def->ndisks; i++) {
virDomainDiskDefPtr d = def->disks[i];
if (STREQ_NULLABLE(d->blkdeviotune.group_name, iotune->group_name)) {
VIR_FREE(d->blkdeviotune.group_name);
virDomainBlockIoTuneInfoCopy(iotune, &d->blkdeviotune);
}
}
}
static int
qemuDomainSetBlockIoTune(virDomainPtr dom,
const char *path,
@ -19419,6 +19439,8 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
if (virDomainDiskSetBlockIOTune(disk, &info) < 0)
goto endjob;
qemuDomainSetGroupBlockIoTune(def, &info);
if (virDomainObjSave(vm, driver->xmlopt, cfg->stateDir) < 0)
goto endjob;