migration: rename cancel to cleanup in SaveVMHandles

'cleanup' seems more appropriate than 'cancel'.

Signed-off-by: Liang 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/migration/vmstate.h

@@ -39,7 +39,7 @@ typedef struct SaveVMHandlers {
     void (*set_params)(const MigrationParams *params, void * opaque);
     SaveStateHandler *save_state;
 
-    void (*cancel)(void *opaque);
+    void (*cleanup)(void *opaque);
     int (*save_live_complete)(QEMUFile *f, void *opaque);
 
     /* This runs both outside and inside the iothread lock.  */

migration/block.c

@@ -884,7 +884,7 @@ static SaveVMHandlers savevm_block_handlers = {
     .save_live_complete = block_save_complete,
     .save_live_pending = block_save_pending,
     .load_state = block_load,
-    .cancel = block_migration_cancel,
+    .cleanup = block_migration_cancel,
     .is_active = block_is_active,
 };
 

migration/ram.c

@@ -1685,7 +1685,7 @@ static SaveVMHandlers savevm_ram_handlers = {
     .save_live_complete = ram_save_complete,
     .save_live_pending = ram_save_pending,
     .load_state = ram_load,
-    .cancel = ram_migration_cancel,
+    .cleanup = ram_migration_cancel,
 };
 
 void ram_mig_init(void)

migration/savevm.c

@@ -908,8 +908,8 @@ void qemu_savevm_state_cleanup(void)
 
     trace_savevm_state_cleanup();
     QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
-        if (se->ops && se->ops->cancel) {
-            se->ops->cancel(se->opaque);
+        if (se->ops && se->ops->cleanup) {
+            se->ops->cleanup(se->opaque);
         }
     }
 }