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qemu: Refactor access to 'qomName' field of the qemu disk private data

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The code which fills 'qomName' does so only when the blockdev capability
is enabled so we don't have to check it separately as it can be only
non-NULL when blockdev is used.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2022-07-20 20:08:37 +02:00
parent 5998381b08
commit 31556cf167
2 changed files with 13 additions and 19 deletions
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29
src/qemu/qemu_driver.c
View File

@ -10085,16 +10085,15 @@ qemuDomainBlocksStatsGather(virDomainObj *vm,
return -1;
}
if (blockdev && QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
if (QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName)
entryname = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!disk->info.alias) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("missing disk device alias name for %s"), disk->dst);
return -1;
}
else
entryname = disk->info.alias;
if (!entryname) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("missing disk device alias name for %s"), disk->dst);
return -1;
}
}
@ -10146,7 +10145,7 @@ qemuDomainBlocksStatsGather(virDomainObj *vm,
if (virStorageSourceGetActualType(disk->src) == VIR_STORAGE_TYPE_VHOST_USER)
continue;
if (blockdev && QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName)
if (QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName)
entryname = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
if (!entryname)
@ -16253,8 +16252,7 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
if (!qemuDomainDiskBlockIoTuneIsSupported(disk->src))
goto endjob;
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV) &&
QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
if (QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
qdevid = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!(drivealias = qemuAliasDiskDriveFromDisk(disk)))
@ -16437,8 +16435,7 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
if (!qemuDomainDiskBlockIoTuneIsSupported(disk->src))
goto endjob;
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV) &&
QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
if (QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
qdevid = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!(drivealias = qemuAliasDiskDriveFromDisk(disk)))
@ -16536,7 +16533,6 @@ qemuDomainGetDiskErrors(virDomainPtr dom,
virDomainObj *vm = NULL;
qemuDomainObjPrivate *priv;
g_autoptr(GHashTable) table = NULL;
bool blockdev = false;
int ret = -1;
size_t i;
int n = 0;
@ -16547,7 +16543,6 @@ qemuDomainGetDiskErrors(virDomainPtr dom,
goto cleanup;
priv = vm->privateData;
blockdev = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV);
if (virDomainGetDiskErrorsEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
@ -16575,7 +16570,7 @@ qemuDomainGetDiskErrors(virDomainPtr dom,
qemuDomainDiskPrivate *diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
const char *entryname = disk->info.alias;
if (blockdev && diskPriv->qomName)
if (diskPriv->qomName)
entryname = diskPriv->qomName;
if ((info = virHashLookup(table, entryname)) &&
@ -18430,7 +18425,7 @@ qemuDomainGetStatsBlockExportDisk(virDomainDiskDef *disk,
/* 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) {
if (QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
frontendalias = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
backendalias = n->nodeformat;
backendstoragealias = n->nodestorage;

3
src/qemu/qemu_process.c
View File

@ -8573,7 +8573,6 @@ qemuProcessRefreshDisks(virDomainObj *vm,
virDomainAsyncJob asyncJob)
{
qemuDomainObjPrivate *priv = vm->privateData;
bool blockdev = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV);
g_autoptr(GHashTable) table = NULL;
size_t i;
@ -8591,7 +8590,7 @@ qemuProcessRefreshDisks(virDomainObj *vm,
struct qemuDomainDiskInfo *info;
const char *entryname = disk->info.alias;
if (blockdev && diskpriv->qomName)
if (diskpriv->qomName)
entryname = diskpriv->qomName;
if (!(info = virHashLookup(table, entryname)))