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qemu: drop QEMU_MIGRATION_COMPLETED_UPDATE_STATS

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This way we get stats only in one place. The former code waits for
complete/postcopy status basically and don't need to mess with stats.

The patch drops raising an error on stats updates failure. This
does not make much sense anyway.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Nikolay Shirokovskiy 2017-09-01 09:49:22 +03:00 committed by Jiri Denemark
parent 09f57f9aac
commit e87d4b9e2f
1 changed files with 7 additions and 17 deletions
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24
src/qemu/qemu_migration.c
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@ -1436,8 +1436,7 @@ qemuMigrationUpdateJobStatus(virQEMUDriverPtr driver,
static int
qemuMigrationCheckJobStatus(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob asyncJob,
bool updateJobStats)
qemuDomainAsyncJob asyncJob)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainJobInfoPtr jobInfo = priv->job.current;
@ -1466,12 +1465,6 @@ qemuMigrationCheckJobStatus(virQEMUDriverPtr driver,
return -1;
case QEMU_DOMAIN_JOB_STATUS_COMPLETED:
/* Fetch statistics of a completed migration */
if (events && updateJobStats &&
qemuMigrationUpdateJobStatus(driver, vm, asyncJob) < 0)
return -1;
break;
case QEMU_DOMAIN_JOB_STATUS_ACTIVE:
case QEMU_DOMAIN_JOB_STATUS_POSTCOPY:
break;
@ -1483,10 +1476,10 @@ qemuMigrationCheckJobStatus(virQEMUDriverPtr driver,
enum qemuMigrationCompletedFlags {
QEMU_MIGRATION_COMPLETED_ABORT_ON_ERROR = (1 << 0),
QEMU_MIGRATION_COMPLETED_CHECK_STORAGE = (1 << 1),
QEMU_MIGRATION_COMPLETED_UPDATE_STATS = (1 << 2),
QEMU_MIGRATION_COMPLETED_POSTCOPY = (1 << 3),
QEMU_MIGRATION_COMPLETED_POSTCOPY = (1 << 2),
};
/**
* Returns 1 if migration completed successfully,
* 0 if the domain is still being migrated,
@ -1503,9 +1496,8 @@ qemuMigrationCompleted(virQEMUDriverPtr driver,
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainJobInfoPtr jobInfo = priv->job.current;
int pauseReason;
bool updateStats = !!(flags & QEMU_MIGRATION_COMPLETED_UPDATE_STATS);
if (qemuMigrationCheckJobStatus(driver, vm, asyncJob, updateStats) < 0)
if (qemuMigrationCheckJobStatus(driver, vm, asyncJob) < 0)
goto error;
if (flags & QEMU_MIGRATION_COMPLETED_CHECK_STORAGE &&
@ -1533,9 +1525,6 @@ qemuMigrationCompleted(virQEMUDriverPtr driver,
if (flags & QEMU_MIGRATION_COMPLETED_POSTCOPY &&
jobInfo->status == QEMU_DOMAIN_JOB_STATUS_POSTCOPY) {
VIR_DEBUG("Migration switched to post-copy");
if (updateStats &&
qemuMigrationUpdateJobStatus(driver, vm, asyncJob) < 0)
goto error;
return 1;
}
@ -1574,8 +1563,6 @@ qemuMigrationWaitForCompletion(virQEMUDriverPtr driver,
bool events = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_EVENT);
int rv;
flags |= QEMU_MIGRATION_COMPLETED_UPDATE_STATS;
jobInfo->status = QEMU_DOMAIN_JOB_STATUS_ACTIVE;
while ((rv = qemuMigrationCompleted(driver, vm, asyncJob,
dconn, flags)) != 1) {
@ -1597,6 +1584,9 @@ qemuMigrationWaitForCompletion(virQEMUDriverPtr driver,
}
}
if (events)
ignore_value(qemuMigrationUpdateJobStatus(driver, vm, asyncJob));
qemuDomainJobInfoUpdateDowntime(jobInfo);
VIR_FREE(priv->job.completed);
if (VIR_ALLOC(priv->job.completed) == 0)