diff options
| -rw-r--r-- | block/mirror.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c index c9185b38a8..001b5f0a15 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -566,8 +566,10 @@ static void mirror_exit(BlockJob *job, void *opaque) /* 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 - * valid. */ + * valid. Also give up permissions on mirror_top_bs->backing, which might + * block the removal. */ block_job_remove_all_bdrv(job); + bdrv_child_set_perm(mirror_top_bs->backing, 0, BLK_PERM_ALL); bdrv_replace_in_backing_chain(mirror_top_bs, backing_bs(mirror_top_bs)); /* We just changed the BDS the job BB refers to (with either or both of the @@ -1234,6 +1236,7 @@ fail: block_job_unref(&s->common); } + bdrv_child_set_perm(mirror_top_bs->backing, 0, BLK_PERM_ALL); bdrv_replace_in_backing_chain(mirror_top_bs, backing_bs(mirror_top_bs)); } |