Refactor job statistics

Job statistics data were tracked in several structures and variables.
Let's make a new qemuDomainJobInfo structure which can be used as a
single source of statistics data as a preparation for storing data about
completed a job.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>

src/qemu/qemu_domain.c

@@ -163,11 +163,9 @@ qemuDomainObjResetAsyncJob(qemuDomainObjPrivatePtr priv)
     job->asyncOwner = 0;
     job->phase = 0;
     job->mask = QEMU_JOB_DEFAULT_MASK;
-    job->start = 0;
     job->dump_memory_only = false;
     job->asyncAbort = false;
-    memset(&job->status, 0, sizeof(job->status));
+    VIR_FREE(job->current);
-    memset(&job->info, 0, sizeof(job->info));
 }
 
 void
@@ -200,6 +198,7 @@ qemuDomainObjTransferJob(virDomainObjPtr obj)
 static void
 qemuDomainObjFreeJob(qemuDomainObjPrivatePtr priv)
 {
+    VIR_FREE(priv->job.current);
     virCondDestroy(&priv->job.cond);
     virCondDestroy(&priv->job.asyncCond);
 }
@@ -211,6 +210,150 @@ qemuDomainTrackJob(qemuDomainJob job)
 }
 
 
+int
+qemuDomainJobInfoUpdateTime(qemuDomainJobInfoPtr jobInfo)
+{
+    unsigned long long now;
+
+    if (!jobInfo->started)
+        return 0;
+
+    if (virTimeMillisNow(&now) < 0)
+        return -1;
+
+    jobInfo->timeElapsed = now - jobInfo->started;
+    return 0;
+}
+
+int
+qemuDomainJobInfoToInfo(qemuDomainJobInfoPtr jobInfo,
+                        virDomainJobInfoPtr info)
+{
+    info->timeElapsed = jobInfo->timeElapsed;
+    info->timeRemaining = jobInfo->timeRemaining;
+
+    info->memTotal = jobInfo->status.ram_total;
+    info->memRemaining = jobInfo->status.ram_remaining;
+    info->memProcessed = jobInfo->status.ram_transferred;
+
+    info->fileTotal = jobInfo->status.disk_total;
+    info->fileRemaining = jobInfo->status.disk_remaining;
+    info->fileProcessed = jobInfo->status.disk_transferred;
+
+    info->dataTotal = info->memTotal + info->fileTotal;
+    info->dataRemaining = info->memRemaining + info->fileRemaining;
+    info->dataProcessed = info->memProcessed + info->fileProcessed;
+
+    return 0;
+}
+
+int
+qemuDomainJobInfoToParams(qemuDomainJobInfoPtr jobInfo,
+                          int *type,
+                          virTypedParameterPtr *params,
+                          int *nparams)
+{
+    qemuMonitorMigrationStatus *status = &jobInfo->status;
+    virTypedParameterPtr par = NULL;
+    int maxpar = 0;
+    int npar = 0;
+
+    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_TIME_ELAPSED,
+                                jobInfo->timeElapsed) < 0)
+        goto error;
+
+    if (jobInfo->type == VIR_DOMAIN_JOB_BOUNDED &&
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_TIME_REMAINING,
+                                jobInfo->timeRemaining) < 0)
+        goto error;
+
+    if (status->downtime_set &&
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DOWNTIME,
+                                status->downtime) < 0)
+        goto error;
+
+    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DATA_TOTAL,
+                                status->ram_total +
+                                status->disk_total) < 0 ||
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DATA_PROCESSED,
+                                status->ram_transferred +
+                                status->disk_transferred) < 0 ||
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DATA_REMAINING,
+                                status->ram_remaining +
+                                status->disk_remaining) < 0)
+        goto error;
+
+    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_MEMORY_TOTAL,
+                                status->ram_total) < 0 ||
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_MEMORY_PROCESSED,
+                                status->ram_transferred) < 0 ||
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_MEMORY_REMAINING,
+                                status->ram_remaining) < 0)
+        goto error;
+
+    if (status->ram_duplicate_set) {
+        if (virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_MEMORY_CONSTANT,
+                                    status->ram_duplicate) < 0 ||
+            virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_MEMORY_NORMAL,
+                                    status->ram_normal) < 0 ||
+            virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_MEMORY_NORMAL_BYTES,
+                                    status->ram_normal_bytes) < 0)
+            goto error;
+    }
+
+    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DISK_TOTAL,
+                                status->disk_total) < 0 ||
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DISK_PROCESSED,
+                                status->disk_transferred) < 0 ||
+        virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                VIR_DOMAIN_JOB_DISK_REMAINING,
+                                status->disk_remaining) < 0)
+        goto error;
+
+    if (status->xbzrle_set) {
+        if (virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_COMPRESSION_CACHE,
+                                    status->xbzrle_cache_size) < 0 ||
+            virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_COMPRESSION_BYTES,
+                                    status->xbzrle_bytes) < 0 ||
+            virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_COMPRESSION_PAGES,
+                                    status->xbzrle_pages) < 0 ||
+            virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_COMPRESSION_CACHE_MISSES,
+                                    status->xbzrle_cache_miss) < 0 ||
+            virTypedParamsAddULLong(&par, &npar, &maxpar,
+                                    VIR_DOMAIN_JOB_COMPRESSION_OVERFLOW,
+                                    status->xbzrle_overflow) < 0)
+            goto error;
+    }
+
+    *type = jobInfo->type;
+    *params = par;
+    *nparams = npar;
+    return 0;
+
+ error:
+    virTypedParamsFree(par, npar);
+    return -1;
+}
+
+
 static void *
 qemuDomainObjPrivateAlloc(void)
 {
@@ -1071,7 +1214,7 @@ qemuDomainObjBeginJobInternal(virQEMUDriverPtr driver,
     unsigned long long then;
     bool nested = job == QEMU_JOB_ASYNC_NESTED;
     virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
-    int ret;
+    int ret = -1;
 
     VIR_DEBUG("Starting %s: %s (async=%s vm=%p name=%s)",
               job == QEMU_JOB_ASYNC ? "async job" : "job",
@@ -1127,9 +1270,11 @@ qemuDomainObjBeginJobInternal(virQEMUDriverPtr driver,
                   qemuDomainAsyncJobTypeToString(asyncJob),
                   obj, obj->def->name);
         qemuDomainObjResetAsyncJob(priv);
+        if (VIR_ALLOC(priv->job.current) < 0)
+            goto cleanup;
         priv->job.asyncJob = asyncJob;
         priv->job.asyncOwner = virThreadSelfID();
-        priv->job.start = now;
+        priv->job.current->started = now;
     }
 
     if (qemuDomainTrackJob(job))
@@ -1163,6 +1308,8 @@ qemuDomainObjBeginJobInternal(virQEMUDriverPtr driver,
         virReportSystemError(errno,
                              "%s", _("cannot acquire job mutex"));
     }
+
+ cleanup:
     priv->jobs_queued--;
     virObjectUnref(obj);
     virObjectUnref(cfg);

src/qemu/qemu_domain.h

@@ -100,6 +100,18 @@ typedef enum {
 } qemuDomainAsyncJob;
 VIR_ENUM_DECL(qemuDomainAsyncJob)
 
+typedef struct _qemuDomainJobInfo qemuDomainJobInfo;
+typedef qemuDomainJobInfo *qemuDomainJobInfoPtr;
+struct _qemuDomainJobInfo {
+    virDomainJobType type;
+    unsigned long long started; /* When the async job started */
+    /* Computed values */
+    unsigned long long timeElapsed;
+    unsigned long long timeRemaining;
+    /* Raw values from QEMU */
+    qemuMonitorMigrationStatus status;
+};
+
 struct qemuDomainJobObj {
     virCond cond;                       /* Use to coordinate jobs */
     qemuDomainJob active;               /* Currently running job */
@@ -110,10 +122,8 @@ struct qemuDomainJobObj {
     unsigned long long asyncOwner;      /* Thread which set current async job */
     int phase;                          /* Job phase (mainly for migrations) */
     unsigned long long mask;            /* Jobs allowed during async job */
-    unsigned long long start;           /* When the async job started */
     bool dump_memory_only;              /* use dump-guest-memory to do dump */
-    qemuMonitorMigrationStatus status;  /* Raw async job progress data */
+    qemuDomainJobInfoPtr current;       /* async job progress data */
-    virDomainJobInfo info;              /* Processed async job progress data */
     bool asyncAbort;                    /* abort of async job requested */
 };
 
@@ -378,4 +388,16 @@ bool qemuDomainDefCheckABIStability(virQEMUDriverPtr driver,
 bool qemuDomainAgentAvailable(qemuDomainObjPrivatePtr priv,
                               bool reportError);
 
+int qemuDomainJobInfoUpdateTime(qemuDomainJobInfoPtr jobInfo)
+    ATTRIBUTE_NONNULL(1);
+int qemuDomainJobInfoToInfo(qemuDomainJobInfoPtr jobInfo,
+                            virDomainJobInfoPtr info)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+int qemuDomainJobInfoToParams(qemuDomainJobInfoPtr jobInfo,
+                              int *type,
+                              virTypedParameterPtr *params,
+                              int *nparams)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
+    ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
+
 #endif /* __QEMU_DOMAIN_H__ */

src/qemu/qemu_driver.c

@@ -2655,15 +2655,13 @@ qemuDomainGetControlInfo(virDomainPtr dom,
     if (priv->monError) {
         info->state = VIR_DOMAIN_CONTROL_ERROR;
     } else if (priv->job.active) {
-        if (!priv->monStart) {
+        if (virTimeMillisNow(&info->stateTime) < 0)
+            goto cleanup;
+        if (priv->job.current) {
             info->state = VIR_DOMAIN_CONTROL_JOB;
-            if (virTimeMillisNow(&info->stateTime) < 0)
+            info->stateTime -= priv->job.current->started;
-                goto cleanup;
-            info->stateTime -= priv->job.start;
         } else {
             info->state = VIR_DOMAIN_CONTROL_OCCUPIED;
-            if (virTimeMillisNow(&info->stateTime) < 0)
-                goto cleanup;
             info->stateTime -= priv->monStart;
         }
     } else {
@@ -3110,8 +3108,7 @@ qemuDomainSaveInternal(virQEMUDriverPtr driver, virDomainPtr dom,
         goto endjob;
     }
 
-    memset(&priv->job.info, 0, sizeof(priv->job.info));
+    priv->job.current->type = VIR_DOMAIN_JOB_UNBOUNDED;
-    priv->job.info.type = VIR_DOMAIN_JOB_UNBOUNDED;
 
     /* Pause */
     if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_RUNNING) {
@@ -3460,6 +3457,7 @@ static int qemuDumpToFd(virQEMUDriverPtr driver, virDomainObjPtr vm,
                                           fd) < 0)
         return -1;
 
+    VIR_FREE(priv->job.current);
     priv->job.dump_memory_only = true;
 
     if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
@@ -11616,17 +11614,15 @@ static int qemuDomainGetJobInfo(virDomainPtr dom,
         goto cleanup;
 
     if (virDomainObjIsActive(vm)) {
-        if (priv->job.asyncJob && !priv->job.dump_memory_only) {
+        if (priv->job.current) {
-            memcpy(info, &priv->job.info, sizeof(*info));
-
             /* Refresh elapsed time again just to ensure it
              * is fully updated. This is primarily for benefit
              * of incoming migration which we don't currently
              * monitor actively in the background thread
              */
-            if (virTimeMillisNow(&info->timeElapsed) < 0)
+            if (qemuDomainJobInfoUpdateTime(priv->job.current) < 0 ||
+                qemuDomainJobInfoToInfo(priv->job.current, info) < 0)
                 goto cleanup;
-            info->timeElapsed -= priv->job.start;
         } else {
             memset(info, 0, sizeof(*info));
             info->type = VIR_DOMAIN_JOB_NONE;
@@ -11655,9 +11651,6 @@ qemuDomainGetJobStats(virDomainPtr dom,
 {
     virDomainObjPtr vm;
     qemuDomainObjPrivatePtr priv;
-    virTypedParameterPtr par = NULL;
-    int maxpar = 0;
-    int npar = 0;
     int ret = -1;
 
     virCheckFlags(0, -1);
@@ -11676,7 +11669,7 @@ qemuDomainGetJobStats(virDomainPtr dom,
         goto cleanup;
     }
 
-    if (!priv->job.asyncJob || priv->job.dump_memory_only) {
+    if (!priv->job.current) {
         *type = VIR_DOMAIN_JOB_NONE;
         *params = NULL;
         *nparams = 0;
@@ -11689,102 +11682,16 @@ qemuDomainGetJobStats(virDomainPtr dom,
      * of incoming migration which we don't currently
      * monitor actively in the background thread
      */
-    if (virTimeMillisNow(&priv->job.info.timeElapsed) < 0)
+    if (qemuDomainJobInfoUpdateTime(priv->job.current) < 0 ||
-        goto cleanup;
+        qemuDomainJobInfoToParams(priv->job.current,
-    priv->job.info.timeElapsed -= priv->job.start;
+                                  type, params, nparams) < 0)
-
-    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_TIME_ELAPSED,
-                                priv->job.info.timeElapsed) < 0)
         goto cleanup;
 
-    if (priv->job.info.type == VIR_DOMAIN_JOB_BOUNDED &&
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_TIME_REMAINING,
-                                priv->job.info.timeRemaining) < 0)
-        goto cleanup;
-
-    if (priv->job.status.downtime_set &&
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DOWNTIME,
-                                priv->job.status.downtime) < 0)
-        goto cleanup;
-
-    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DATA_TOTAL,
-                                priv->job.info.dataTotal) < 0 ||
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DATA_PROCESSED,
-                                priv->job.info.dataProcessed) < 0 ||
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DATA_REMAINING,
-                                priv->job.info.dataRemaining) < 0)
-        goto cleanup;
-
-    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_MEMORY_TOTAL,
-                                priv->job.info.memTotal) < 0 ||
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_MEMORY_PROCESSED,
-                                priv->job.info.memProcessed) < 0 ||
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_MEMORY_REMAINING,
-                                priv->job.info.memRemaining) < 0)
-        goto cleanup;
-
-    if (priv->job.status.ram_duplicate_set) {
-        if (virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_MEMORY_CONSTANT,
-                                    priv->job.status.ram_duplicate) < 0 ||
-            virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_MEMORY_NORMAL,
-                                    priv->job.status.ram_normal) < 0 ||
-            virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_MEMORY_NORMAL_BYTES,
-                                    priv->job.status.ram_normal_bytes) < 0)
-            goto cleanup;
-    }
-
-    if (virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DISK_TOTAL,
-                                priv->job.info.fileTotal) < 0 ||
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DISK_PROCESSED,
-                                priv->job.info.fileProcessed) < 0 ||
-        virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                VIR_DOMAIN_JOB_DISK_REMAINING,
-                                priv->job.info.fileRemaining) < 0)
-        goto cleanup;
-
-    if (priv->job.status.xbzrle_set) {
-        if (virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_COMPRESSION_CACHE,
-                                    priv->job.status.xbzrle_cache_size) < 0 ||
-            virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_COMPRESSION_BYTES,
-                                    priv->job.status.xbzrle_bytes) < 0 ||
-            virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_COMPRESSION_PAGES,
-                                    priv->job.status.xbzrle_pages) < 0 ||
-            virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_COMPRESSION_CACHE_MISSES,
-                                    priv->job.status.xbzrle_cache_miss) < 0 ||
-            virTypedParamsAddULLong(&par, &npar, &maxpar,
-                                    VIR_DOMAIN_JOB_COMPRESSION_OVERFLOW,
-                                    priv->job.status.xbzrle_overflow) < 0)
-            goto cleanup;
-    }
-
-    *type = priv->job.info.type;
-    *params = par;
-    *nparams = npar;
     ret = 0;
 
  cleanup:
     if (vm)
         virObjectUnlock(vm);
-    if (ret < 0)
-        virTypedParamsFree(par, npar);
     return ret;
 }
 

src/qemu/qemu_migration.c

@@ -1723,8 +1723,9 @@ qemuMigrationUpdateJobStatus(virQEMUDriverPtr driver,
                              qemuDomainAsyncJob asyncJob)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    int ret;
     qemuMonitorMigrationStatus status;
+    qemuDomainJobInfoPtr jobInfo;
+    int ret;
 
     memset(&status, 0, sizeof(status));
 
@@ -1738,62 +1739,40 @@ qemuMigrationUpdateJobStatus(virQEMUDriverPtr driver,
 
     qemuDomainObjExitMonitor(driver, vm);
 
-    priv->job.status = status;
+    if (ret < 0 ||
-
+        qemuDomainJobInfoUpdateTime(priv->job.current) < 0)
-    if (ret < 0 || virTimeMillisNow(&priv->job.info.timeElapsed) < 0)
         return -1;
 
-    priv->job.info.timeElapsed -= priv->job.start;
-
     ret = -1;
-    switch (priv->job.status.status) {
+    jobInfo = priv->job.current;
+    switch (status.status) {
+    case QEMU_MONITOR_MIGRATION_STATUS_COMPLETED:
+        jobInfo->type = VIR_DOMAIN_JOB_COMPLETED;
+        /* fall through */
+    case QEMU_MONITOR_MIGRATION_STATUS_SETUP:
+    case QEMU_MONITOR_MIGRATION_STATUS_ACTIVE:
+        ret = 0;
+        break;
+
     case QEMU_MONITOR_MIGRATION_STATUS_INACTIVE:
-        priv->job.info.type = VIR_DOMAIN_JOB_NONE;
+        jobInfo->type = VIR_DOMAIN_JOB_NONE;
         virReportError(VIR_ERR_OPERATION_FAILED,
                        _("%s: %s"), job, _("is not active"));
         break;
 
-    case QEMU_MONITOR_MIGRATION_STATUS_SETUP:
-        ret = 0;
-        break;
-
-    case QEMU_MONITOR_MIGRATION_STATUS_ACTIVE:
-        priv->job.info.fileTotal = priv->job.status.disk_total;
-        priv->job.info.fileRemaining = priv->job.status.disk_remaining;
-        priv->job.info.fileProcessed = priv->job.status.disk_transferred;
-
-        priv->job.info.memTotal = priv->job.status.ram_total;
-        priv->job.info.memRemaining = priv->job.status.ram_remaining;
-        priv->job.info.memProcessed = priv->job.status.ram_transferred;
-
-        priv->job.info.dataTotal =
-            priv->job.status.ram_total + priv->job.status.disk_total;
-        priv->job.info.dataRemaining =
-            priv->job.status.ram_remaining + priv->job.status.disk_remaining;
-        priv->job.info.dataProcessed =
-            priv->job.status.ram_transferred +
-            priv->job.status.disk_transferred;
-
-        ret = 0;
-        break;
-
-    case QEMU_MONITOR_MIGRATION_STATUS_COMPLETED:
-        priv->job.info.type = VIR_DOMAIN_JOB_COMPLETED;
-        ret = 0;
-        break;
-
     case QEMU_MONITOR_MIGRATION_STATUS_ERROR:
-        priv->job.info.type = VIR_DOMAIN_JOB_FAILED;
+        jobInfo->type = VIR_DOMAIN_JOB_FAILED;
         virReportError(VIR_ERR_OPERATION_FAILED,
                        _("%s: %s"), job, _("unexpectedly failed"));
         break;
 
     case QEMU_MONITOR_MIGRATION_STATUS_CANCELLED:
-        priv->job.info.type = VIR_DOMAIN_JOB_CANCELLED;
+        jobInfo->type = VIR_DOMAIN_JOB_CANCELLED;
         virReportError(VIR_ERR_OPERATION_ABORTED,
                        _("%s: %s"), job, _("canceled by client"));
         break;
     }
+    jobInfo->status = status;
 
     return ret;
 }
@@ -1803,11 +1782,14 @@ qemuMigrationUpdateJobStatus(virQEMUDriverPtr driver,
  * QEMU reports failed migration.
  */
 static int
-qemuMigrationWaitForCompletion(virQEMUDriverPtr driver, virDomainObjPtr vm,
+qemuMigrationWaitForCompletion(virQEMUDriverPtr driver,
+                               virDomainObjPtr vm,
                                qemuDomainAsyncJob asyncJob,
-                               virConnectPtr dconn, bool abort_on_error)
+                               virConnectPtr dconn,
+                               bool abort_on_error)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
+    qemuDomainJobInfoPtr jobInfo = priv->job.current;
     const char *job;
     int pauseReason;
 
@@ -1825,9 +1807,9 @@ qemuMigrationWaitForCompletion(virQEMUDriverPtr driver, virDomainObjPtr vm,
         job = _("job");
     }
 
-    priv->job.info.type = VIR_DOMAIN_JOB_UNBOUNDED;
+    jobInfo->type = VIR_DOMAIN_JOB_UNBOUNDED;
 
-    while (priv->job.info.type == VIR_DOMAIN_JOB_UNBOUNDED) {
+    while (jobInfo->type == VIR_DOMAIN_JOB_UNBOUNDED) {
         /* Poll every 50ms for progress & to allow cancellation */
         struct timespec ts = { .tv_sec = 0, .tv_nsec = 50 * 1000 * 1000ull };
 
@@ -1856,13 +1838,13 @@ qemuMigrationWaitForCompletion(virQEMUDriverPtr driver, virDomainObjPtr vm,
         virObjectLock(vm);
     }
 
-    if (priv->job.info.type == VIR_DOMAIN_JOB_COMPLETED) {
+    if (jobInfo->type == VIR_DOMAIN_JOB_COMPLETED) {
         return 0;
-    } else if (priv->job.info.type == VIR_DOMAIN_JOB_UNBOUNDED) {
+    } else if (jobInfo->type == VIR_DOMAIN_JOB_UNBOUNDED) {
         /* The migration was aborted by us rather than QEMU itself so let's
          * update the job type and notify the caller to send migrate_cancel.
          */
-        priv->job.info.type = VIR_DOMAIN_JOB_FAILED;
+        jobInfo->type = VIR_DOMAIN_JOB_FAILED;
         return -2;
     } else {
         return -1;
@@ -4914,7 +4896,7 @@ qemuMigrationJobStart(virQEMUDriverPtr driver,
                                           JOB_MASK(QEMU_JOB_MIGRATION_OP)));
     }
 
-    priv->job.info.type = VIR_DOMAIN_JOB_UNBOUNDED;
+    priv->job.current->type = VIR_DOMAIN_JOB_UNBOUNDED;
 
     return 0;
 }