[Qemu-devel] [PATCH] block/qcow2: save dirty_bitmaps_loaded during reopen

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

This variable was introduced to handle reopens. We need it on the
following qcow2_do_open, to don't try load bitmaps again.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 block/qcow2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/qcow2.c b/block/qcow2.c
index 549fee9b69..29f7eab576 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2178,6 +2178,7 @@ static void coroutine_fn qcow2_co_invalidate_cache(BlockDriverState *bs,
     QDict *options;
     Error *local_err = NULL;
     int ret;
+    bool dirty_bitmaps_loaded = s->dirty_bitmaps_loaded;
 
     /*
      * Backing files are read-only which makes all of their metadata immutable,
@@ -2190,6 +2191,7 @@ static void coroutine_fn qcow2_co_invalidate_cache(BlockDriverState *bs,
     qcow2_close(bs);
 
     memset(s, 0, sizeof(BDRVQcow2State));
+    s->dirty_bitmaps_loaded = dirty_bitmaps_loaded;
     options = qdict_clone_shallow(bs->options);
 
     flags &= ~BDRV_O_INACTIVE;
-- 
2.11.1