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qemu: Handle cases when 'qomName' isn't present

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Use the drive alias for all cases when we can't generate qomName. This
is meant to handle disks on 'sd' bus which are instantiated via -drive
if=sd as there isn't any specific QOM name for them.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2020-04-17 12:36:07 +02:00
parent b50a8354f6
commit d876a93f05
2 changed files with 11 additions and 7 deletions
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16
src/qemu/qemu_driver.c
View File

@ -10892,7 +10892,7 @@ qemuDomainBlocksStatsGather(virQEMUDriverPtr driver,
goto cleanup;
}
if (blockdev) {
if (blockdev && QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
entryname = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!disk->info.alias) {
@ -10948,7 +10948,7 @@ qemuDomainBlocksStatsGather(virQEMUDriverPtr driver,
disk = vm->def->disks[i];
entryname = disk->info.alias;
if (blockdev)
if (blockdev && QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName)
entryname = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
if (!entryname)
@ -19283,7 +19283,8 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
if (!(disk = qemuDomainDiskByName(def, path)))
goto endjob;
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV)) {
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV) &&
QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
qdevid = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!(drivealias = qemuAliasDiskDriveFromDisk(disk)))
@ -19473,7 +19474,8 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
if (!(disk = qemuDomainDiskByName(def, path)))
goto endjob;
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV)) {
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV) &&
QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
qdevid = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!(drivealias = qemuAliasDiskDriveFromDisk(disk)))
@ -19608,7 +19610,7 @@ qemuDomainGetDiskErrors(virDomainPtr dom,
qemuDomainDiskPrivatePtr diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
const char *entryname = disk->info.alias;
if (blockdev)
if (blockdev && diskPriv->qomName)
entryname = diskPriv->qomName;
if ((info = virHashLookup(table, entryname)) &&
@ -21426,7 +21428,9 @@ qemuDomainGetStatsBlockExportDisk(virDomainDiskDefPtr disk,
for (n = disk->src; virStorageSourceIsBacking(n); n = n->backingStore) {
g_autofree char *alias = NULL;
if (blockdev) {
/* for 'sd' disks we won't be displaying stats for the backing chain
* as we don't update the stats correctly */
if (blockdev && QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
frontendalias = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
backendalias = n->nodeformat;
backendstoragealias = n->nodestorage;

2
src/qemu/qemu_process.c
View File

@ -7729,7 +7729,7 @@ qemuProcessRefreshDisks(virQEMUDriverPtr driver,
struct qemuDomainDiskInfo *info;
const char *entryname = disk->info.alias;
if (blockdev)
if (blockdev && diskpriv->qomName)
entryname = diskpriv->qomName;
if (!(info = virHashLookup(table, entryname)))