migration: rename qemu_savevm_state_cancel

The function qemu_savevm_state_cancel is called after the migration
in migration_thread, it seems strange to 'cancel' it after completion,
rename it to qemu_savevm_state_cleanup looks better.
Signed-off-by: NLiang Li <liang.z.li@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>al3
Reviewed-by: Amit Shah <amit.shah@redhat.com>al3
Signed-off-by: Juan Quintela <quintela@redhat.com>al3

include/sysemu/sysemu.h

@@ -89,7 +89,7 @@ void qemu_savevm_state_begin(QEMUFile *f,
 void qemu_savevm_state_header(QEMUFile *f);
 int qemu_savevm_state_iterate(QEMUFile *f);
 void qemu_savevm_state_complete(QEMUFile *f);
-void qemu_savevm_state_cancel(void);
+void qemu_savevm_state_cleanup(void);
 uint64_t qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size);
 int qemu_loadvm_state(QEMUFile *f);
 

migration/migration.c

@@ -1090,7 +1090,7 @@ static void *migration_thread(void *opaque)
     end_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
 
     qemu_mutex_lock_iothread();
-    qemu_savevm_state_cancel();
+    qemu_savevm_state_cleanup();
     if (s->state == MIGRATION_STATUS_COMPLETED) {
         uint64_t transferred_bytes = qemu_ftell(s->file);
         s->total_time = end_time - s->total_time;

migration/savevm.c

@@ -902,11 +902,11 @@ uint64_t qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size)
     return ret;
 }
 
-void qemu_savevm_state_cancel(void)
+void qemu_savevm_state_cleanup(void)
 {
     SaveStateEntry *se;
 
-    trace_savevm_state_cancel();
+    trace_savevm_state_cleanup();
     QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
         if (se->ops && se->ops->cancel) {
             se->ops->cancel(se->opaque);
@@ -943,7 +943,7 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp)
         ret = qemu_file_get_error(f);
     }
     if (ret != 0) {
-        qemu_savevm_state_cancel();
+        qemu_savevm_state_cleanup();
         error_setg_errno(errp, -ret, "Error while writing VM state");
     }
     return ret;

trace-events

@@ -1211,7 +1211,7 @@ savevm_state_begin(void) ""
 savevm_state_header(void) ""
 savevm_state_iterate(void) ""
 savevm_state_complete(void) ""
-savevm_state_cancel(void) ""
+savevm_state_cleanup(void) ""
 vmstate_save(const char *idstr, const char *vmsd_name) "%s, %s"
 vmstate_load(const char *idstr, const char *vmsd_name) "%s, %s"
 qemu_announce_self_iter(const char *mac) "%s"