migration/block-dirty-bitmap: rename finish_lock to just lock

finish_lock is bad name, as lock used not only on process end.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200727194236.19551-13-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>

diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
index 9b39e7aa2b4f3b0c1610d5be3a536b617d08ff45..9194807b54f1325585659349464ce17978aec74a 100644 (file)
--- a/migration/block-dirty-bitmap.c
+++ b/migration/block-dirty-bitmap.c
@@ -143,7 +143,7 @@ typedef struct DBMLoadState {
     BdrvDirtyBitmap *bitmap;
 
     GSList *enabled_bitmaps;
-    QemuMutex finish_lock;
+    QemuMutex lock; /* protect enabled_bitmaps */
 } DBMLoadState;
 
 typedef struct DBMState {
@@ -575,7 +575,7 @@ void dirty_bitmap_mig_before_vm_start(void)
     DBMLoadState *s = &dbm_state.load;
     GSList *item;
 
-    qemu_mutex_lock(&s->finish_lock);
+    qemu_mutex_lock(&s->lock);
 
     for (item = s->enabled_bitmaps; item; item = g_slist_next(item)) {
         LoadBitmapState *b = item->data;
@@ -592,7 +592,7 @@ void dirty_bitmap_mig_before_vm_start(void)
     g_slist_free(s->enabled_bitmaps);
     s->enabled_bitmaps = NULL;
 
-    qemu_mutex_unlock(&s->finish_lock);
+    qemu_mutex_unlock(&s->lock);
 }
 
 static void dirty_bitmap_load_complete(QEMUFile *f, DBMLoadState *s)
@@ -601,7 +601,7 @@ static void dirty_bitmap_load_complete(QEMUFile *f, DBMLoadState *s)
     trace_dirty_bitmap_load_complete();
     bdrv_dirty_bitmap_deserialize_finish(s->bitmap);
 
-    qemu_mutex_lock(&s->finish_lock);
+    qemu_mutex_lock(&s->lock);
 
     for (item = s->enabled_bitmaps; item; item = g_slist_next(item)) {
         LoadBitmapState *b = item->data;
@@ -633,7 +633,7 @@ static void dirty_bitmap_load_complete(QEMUFile *f, DBMLoadState *s)
         bdrv_dirty_bitmap_unlock(s->bitmap);
     }
 
-    qemu_mutex_unlock(&s->finish_lock);
+    qemu_mutex_unlock(&s->lock);
 }
 
 static int dirty_bitmap_load_bits(QEMUFile *f, DBMLoadState *s)
@@ -815,7 +815,7 @@ static SaveVMHandlers savevm_dirty_bitmap_handlers = {
 void dirty_bitmap_mig_init(void)
 {
     QSIMPLEQ_INIT(&dbm_state.save.dbms_list);
-    qemu_mutex_init(&dbm_state.load.finish_lock);
+    qemu_mutex_init(&dbm_state.load.lock);
 
     register_savevm_live("dirty-bitmap", 0, 1,
                          &savevm_dirty_bitmap_handlers,