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qemuMonitorSetBlockIoThrottle: Drop 'diskalias' argument

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Every caller will pass 'qdevid' as it's populated in the data
mandatorily with qemu-4.2 and onwards due to mandatory -blockdev use.

Thus we can drop compatibility with the old way of matching the disk via
alias.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2023-05-23 15:32:49 +02:00
parent f0296aa9a3
commit 9d6867198d
8 changed files with 12 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/qemu/qemu_driver.c
View File

@ -14914,8 +14914,6 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
virDomainDef *persistentDef = NULL;
virDomainBlockIoTuneInfo info;
virDomainBlockIoTuneInfo conf_info;
g_autofree char *drivealias = NULL;
const char *qdevid = NULL;
int ret = -1;
size_t i;
virDomainDiskDef *conf_disk = NULL;
@ -15111,13 +15109,6 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
if (!qemuDomainDiskBlockIoTuneIsSupported(disk))
goto endjob;
if (QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
qdevid = QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName;
} else {
if (!(drivealias = qemuAliasDiskDriveFromDisk(disk)))
goto endjob;
}
cur_info = qemuDomainFindGroupBlockIoTune(def, disk, &info);
if (qemuDomainSetBlockIoTuneDefaults(&info, cur_info,
@ -15167,7 +15158,9 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
int rc = 0;
qemuDomainObjEnterMonitor(vm);
rc = qemuMonitorSetBlockIoThrottle(priv->mon, drivealias, qdevid, &info);
rc = qemuMonitorSetBlockIoThrottle(priv->mon,
QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName,
&info);
qemuDomainObjExitMonitor(vm);
if (rc < 0)

4
src/qemu/qemu_hotplug.c
View File

@ -517,7 +517,7 @@ qemuDomainChangeMediaBlockdev(virDomainObj *vm,
if (rc == 0 &&
!virStorageSourceIsEmpty(newsrc) &&
qemuDiskConfigBlkdeviotuneEnabled(disk)) {
rc = qemuMonitorSetBlockIoThrottle(priv->mon, NULL,
rc = qemuMonitorSetBlockIoThrottle(priv->mon,
diskPriv->qomName,
&disk->blkdeviotune);
}
@ -734,7 +734,7 @@ qemuDomainAttachDiskGeneric(virDomainObj *vm,
g_autoptr(GHashTable) blockinfo = NULL;
if (qemuDiskConfigBlkdeviotuneEnabled(disk)) {
if (qemuMonitorSetBlockIoThrottle(priv->mon, NULL, diskPriv->qomName,
if (qemuMonitorSetBlockIoThrottle(priv->mon, diskPriv->qomName,
&disk->blkdeviotune) < 0)
VIR_WARN("failed to set blkdeviotune for '%s' of '%s'", disk->dst, vm->def->name);
}

6
src/qemu/qemu_monitor.c
View File

@ -2973,16 +2973,14 @@ qemuMonitorJobComplete(qemuMonitor *mon,
int
qemuMonitorSetBlockIoThrottle(qemuMonitor *mon,
const char *drivealias,
const char *qomid,
virDomainBlockIoTuneInfo *info)
{
VIR_DEBUG("drivealias=%s, qomid=%s, info=%p",
NULLSTR(drivealias), NULLSTR(qomid), info);
VIR_DEBUG("qomid=%s, info=%p", NULLSTR(qomid), info);
QEMU_CHECK_MONITOR(mon);
return qemuMonitorJSONSetBlockIoThrottle(mon, drivealias, qomid, info);
return qemuMonitorJSONSetBlockIoThrottle(mon, qomid, info);
}

1
src/qemu/qemu_monitor.h
View File

@ -1052,7 +1052,6 @@ int qemuMonitorOpenGraphics(qemuMonitor *mon,
bool skipauth);
int qemuMonitorSetBlockIoThrottle(qemuMonitor *mon,
const char *drivealias,
const char *qomid,
virDomainBlockIoTuneInfo *info);

4
src/qemu/qemu_monitor_json.c
View File

@ -4596,7 +4596,6 @@ qemuMonitorJSONBlockIoThrottleInfo(virJSONValue *io_throttle,
#undef GET_THROTTLE_STATS_OPTIONAL
int qemuMonitorJSONSetBlockIoThrottle(qemuMonitor *mon,
const char *drivealias,
const char *qomid,
virDomainBlockIoTuneInfo *info)
{
@ -4604,8 +4603,7 @@ int qemuMonitorJSONSetBlockIoThrottle(qemuMonitor *mon,
g_autoptr(virJSONValue) result = NULL;
if (!(cmd = qemuMonitorJSONMakeCommand("block_set_io_throttle",
"S:device", drivealias,
"S:id", qomid,
"s:id", qomid,
"U:bps", info->total_bytes_sec,
"U:bps_rd", info->read_bytes_sec,
"U:bps_wr", info->write_bytes_sec,

1
src/qemu/qemu_monitor_json.h
View File

@ -401,7 +401,6 @@ qemuMonitorJSONOpenGraphics(qemuMonitor *mon,
int
qemuMonitorJSONSetBlockIoThrottle(qemuMonitor *mon,
const char *drivealias,
const char *qomid,
virDomainBlockIoTuneInfo *info);

12
src/qemu/qemu_process.c
View File

@ -7307,13 +7307,6 @@ qemuProcessSetupDiskThrottling(virDomainObj *vm,
for (i = 0; i < vm->def->ndisks; i++) {
virDomainDiskDef *disk = vm->def->disks[i];
qemuDomainDiskPrivate *diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
g_autofree char *drivealias = NULL;
if (!QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName) {
if (!(drivealias = qemuAliasDiskDriveFromDisk(disk)))
goto cleanup;
}
/* Setting throttling for empty drives fails */
if (virStorageSourceIsEmpty(disk->src))
@ -7322,8 +7315,9 @@ qemuProcessSetupDiskThrottling(virDomainObj *vm,
if (!qemuDiskConfigBlkdeviotuneEnabled(disk))
continue;
if (qemuMonitorSetBlockIoThrottle(qemuDomainGetMonitor(vm), drivealias,
diskPriv->qomName, &disk->blkdeviotune) < 0)
if (qemuMonitorSetBlockIoThrottle(qemuDomainGetMonitor(vm),
QEMU_DOMAIN_DISK_PRIVATE(disk)->qomName,
&disk->blkdeviotune) < 0)
goto cleanup;
}

2
tests/qemumonitorjsontest.c
View File

@ -1904,7 +1904,7 @@ testQemuMonitorJSONqemuMonitorJSONSetBlockIoThrottle(const void *opaque)
goto cleanup;
if (qemuMonitorJSONSetBlockIoThrottle(qemuMonitorTestGetMonitor(test),
NULL, "drive-virtio-disk1", &info) < 0)
"drive-virtio-disk1", &info) < 0)
goto cleanup;
ret = 0;