qemu: Drop qemuMigrationParamsSetPostCopy

It's just a tiny wrapper around qemuMigrationParamsSetCapability and
setting priv->job.postcopyEnabled is not something qemuMigrationParams
code should be doing anyway so let the callers do it.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_migration.c

@@ -2391,8 +2391,10 @@ qemuMigrationDstPrepareAny(virQEMUDriverPtr driver,
                                          migParams) < 0)
         goto stopjob;
 
-    if (qemuMigrationParamsSetPostCopy(vm, flags & VIR_MIGRATE_POSTCOPY,
-                                       migParams) < 0)
+    if (qemuMigrationParamsSetCapability(vm,
+                                         QEMU_MONITOR_MIGRATION_CAPS_POSTCOPY,
+                                         flags & VIR_MIGRATE_POSTCOPY,
+                                         migParams) < 0)
         goto stopjob;
 
     if (qemuMigrationParamsCheck(driver, vm, QEMU_ASYNC_JOB_MIGRATION_IN,
@@ -2416,6 +2418,8 @@ qemuMigrationDstPrepareAny(virQEMUDriverPtr driver,
                                  migParams) < 0)
         goto stopjob;
 
+    priv->job.postcopyEnabled = flags & VIR_MIGRATE_POSTCOPY;
+
     if (mig->nbd &&
         flags & (VIR_MIGRATE_NON_SHARED_DISK | VIR_MIGRATE_NON_SHARED_INC) &&
         virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_NBD_SERVER)) {
@@ -3349,8 +3353,10 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver,
                                          migParams) < 0)
         goto error;
 
-    if (qemuMigrationParamsSetPostCopy(vm, flags & VIR_MIGRATE_POSTCOPY,
-                                       migParams) < 0)
+    if (qemuMigrationParamsSetCapability(vm,
+                                         QEMU_MONITOR_MIGRATION_CAPS_POSTCOPY,
+                                         flags & VIR_MIGRATE_POSTCOPY,
+                                         migParams) < 0)
         goto error;
 
     if (qemuMigrationCapsGet(vm, QEMU_MONITOR_MIGRATION_CAPS_PAUSE_BEFORE_SWITCHOVER) &&
@@ -3386,6 +3392,8 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver,
                                  migParams) < 0)
         goto error;
 
+    priv->job.postcopyEnabled = flags & VIR_MIGRATE_POSTCOPY;
+
     if (migrate_flags & (QEMU_MONITOR_MIGRATE_NON_SHARED_DISK |
                          QEMU_MONITOR_MIGRATE_NON_SHARED_INC)) {
         if (mig->nbd) {

src/qemu/qemu_migration_params.c

@@ -199,23 +199,6 @@ qemuMigrationParamsSetCapability(virDomainObjPtr vm ATTRIBUTE_UNUSED,
 }
 
 
-int
-qemuMigrationParamsSetPostCopy(virDomainObjPtr vm,
-                               bool state,
-                               qemuMigrationParamsPtr migParams)
-{
-    qemuDomainObjPrivatePtr priv = vm->privateData;
-
-    if (qemuMigrationParamsSetCapability(vm,
-                                         QEMU_MONITOR_MIGRATION_CAPS_POSTCOPY,
-                                         state, migParams) < 0)
-        return -1;
-
-    priv->job.postcopyEnabled = state;
-    return 0;
-}
-
-
 /* qemuMigrationParamsEnableTLS
  * @driver: pointer to qemu driver
  * @vm: domain object

src/qemu/qemu_migration_params.h

@@ -77,11 +77,6 @@ qemuMigrationParamsSetCapability(virDomainObjPtr vm,
                                  bool state,
                                  qemuMigrationParamsPtr migParams);
 
-int
-qemuMigrationParamsSetPostCopy(virDomainObjPtr vm,
-                               bool state,
-                               qemuMigrationParamsPtr migParams);
-
 int
 qemuMigrationParamsEnableTLS(virQEMUDriverPtr driver,
                              virDomainObjPtr vm,