diff options
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/mirror.c b/block/mirror.c index 75e826dac8..f8e439371c 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -678,6 +678,7 @@ static int mirror_exit_common(Job *job) s->prepared = true; aio_context_acquire(qemu_get_aio_context()); + bdrv_graph_rdlock_main_loop(); mirror_top_bs = s->mirror_top_bs; bs_opaque = mirror_top_bs->opaque; @@ -696,6 +697,8 @@ static int mirror_exit_common(Job *job) bdrv_ref(mirror_top_bs); bdrv_ref(target_bs); + bdrv_graph_rdunlock_main_loop(); + /* * 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 |