[PULL 13/24] migration/block-dirty-bitmap: rename finish_lock to just lock

[Eric Blake]

From: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>

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

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkev...@virtuozzo.com>
Message-Id: <20200727194236.19551-13-vsement...@virtuozzo.com>
Signed-off-by: Eric Blake <ebl...@redhat.com>
---
 migration/block-dirty-bitmap.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
index 9b39e7aa2b4f..9194807b54f1 100644
--- 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,
-- 
2.27.0