diff options
| -rw-r--r-- | block/mirror.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/block/mirror.c b/block/mirror.c index 57f26c33a4..c9185b38a8 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -509,6 +509,13 @@ static void mirror_exit(BlockJob *job, void *opaque) * block_job_completed(). */ bdrv_ref(src); bdrv_ref(mirror_top_bs); + bdrv_ref(target_bs); + + /* Remove target parent that still uses BLK_PERM_WRITE/RESIZE before + * inserting target_bs at s->to_replace, where we might not be able to get + * these permissions. */ + blk_unref(s->target); + s->target = NULL; /* We don't access the source any more. Dropping any WRITE/RESIZE is * required before it could become a backing file of target_bs. */ @@ -555,8 +562,7 @@ static void mirror_exit(BlockJob *job, void *opaque) aio_context_release(replace_aio_context); } g_free(s->replaces); - blk_unref(s->target); - s->target = NULL; + bdrv_unref(target_bs); /* Remove the mirror filter driver from the graph. Before this, get rid of * the blockers on the intermediate nodes so that the resulting state is |