[libvirt PATCH v2 24/81] qemu: Separate success and failure path in qemuMigrationDstFinish

Jiri Denemark jdenemar at redhat.com
Wed Jun 1 12:49:24 UTC 2022


Most of the code in "endjob" label is executed only on failure. Let's
duplicate the rest so that the label can be used only in error path
making the success path easier to follow and refactor.

Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
Reviewed-by: Peter Krempa <pkrempa at redhat.com>
Reviewed-by: Pavel Hrdina <phrdina at redhat.com>
---

Notes:
    Version 2:
    - no change

 src/qemu/qemu_migration.c | 45 ++++++++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index f6d3200cba..d2a6e20550 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -5823,7 +5823,9 @@ qemuMigrationDstFinish(virQEMUDriver *driver,
                                           QEMU_MIGRATION_COOKIE_STATS) < 0)
                 VIR_WARN("Unable to encode migration cookie");
         }
-        goto endjob;
+
+        qemuMigrationJobFinish(vm);
+        goto cleanup;
     }
 
     if (retcode != 0) {
@@ -6004,12 +6006,31 @@ qemuMigrationDstFinish(virQEMUDriver *driver,
     if (inPostCopy)
         g_clear_pointer(&priv->job.completed, virDomainJobDataFree);
 
+    qemuMigrationParamsReset(driver, vm, VIR_ASYNC_JOB_MIGRATION_IN,
+                             jobPriv->migParams, priv->job.apiFlags);
+
     dom = virGetDomain(dconn, vm->def->name, vm->def->uuid, vm->def->id);
 
+    qemuMigrationJobFinish(vm);
+
+ cleanup:
+    g_clear_pointer(&jobData, virDomainJobDataFree);
+    virPortAllocatorRelease(port);
+    if (priv->mon)
+        qemuMonitorSetDomainLog(priv->mon, NULL, NULL, NULL);
+    VIR_FREE(priv->origname);
+    virDomainObjEndAPI(&vm);
+    virErrorRestore(&orig_err);
+
+    /* Set a special error if Finish is expected to return NULL as a result of
+     * successful call with retcode != 0
+     */
+    if (retcode != 0 && !dom && virGetLastErrorCode() == VIR_ERR_OK)
+        virReportError(VIR_ERR_MIGRATE_FINISH_OK, NULL);
+    return dom;
+
  endjob:
-    if (!dom &&
-        !(flags & VIR_MIGRATE_OFFLINE) &&
-        virDomainObjIsActive(vm)) {
+    if (virDomainObjIsActive(vm)) {
         if (doKill) {
             qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED,
                             VIR_ASYNC_JOB_MIGRATION_IN,
@@ -6038,21 +6059,7 @@ qemuMigrationDstFinish(virQEMUDriver *driver,
     if (!virDomainObjIsActive(vm))
         qemuDomainRemoveInactive(driver, vm);
 
- cleanup:
-    g_clear_pointer(&jobData, virDomainJobDataFree);
-    virPortAllocatorRelease(port);
-    if (priv->mon)
-        qemuMonitorSetDomainLog(priv->mon, NULL, NULL, NULL);
-    VIR_FREE(priv->origname);
-    virDomainObjEndAPI(&vm);
-    virErrorRestore(&orig_err);
-
-    /* Set a special error if Finish is expected to return NULL as a result of
-     * successful call with retcode != 0
-     */
-    if (retcode != 0 && !dom && virGetLastErrorCode() == VIR_ERR_OK)
-        virReportError(VIR_ERR_MIGRATE_FINISH_OK, NULL);
-    return dom;
+    goto cleanup;
 }
 
 
-- 
2.35.1



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