diff options
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/block/mirror.c b/block/mirror.c index 04af341be6..2932bab27a 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -481,6 +481,13 @@ immediate_exit: bdrv_reopen(s->target, bdrv_get_flags(s->common.bs), NULL); } bdrv_swap(s->target, s->common.bs); + if (s->common.driver->job_type == BLOCK_JOB_TYPE_COMMIT) { + /* drop the bs loop chain formed by the swap: break the loop then + * trigger the unref from the top one */ + BlockDriverState *p = s->base->backing_hd; + s->base->backing_hd = NULL; + bdrv_unref(p); + } } bdrv_unref(s->target); block_job_completed(&s->common, ret); @@ -623,6 +630,10 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, BlockDriverCompletionFunc *cb, void *opaque, Error **errp) { + if (bdrv_reopen(base, bs->open_flags, errp)) { + return; + } + bdrv_ref(base); mirror_start_job(bs, base, speed, 0, 0, on_error, on_error, cb, opaque, errp, &commit_active_job_driver, false, base); |