Now block-copy will crash if user don't set progress meter by block_copy_set_progress_meter(). copy-before-write filter will be used in separate of backup job, and it doesn't want any progress meter (for now). So, allow not setting it.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> Reviewed-by: Max Reitz <mre...@redhat.com> --- block/block-copy.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/block/block-copy.c b/block/block-copy.c index 9389c7c6c8..0a9c3692bf 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -509,7 +509,7 @@ static coroutine_fn int block_copy_task_entry(AioTask *task) if (ret < 0 && !t->call_state->ret) { t->call_state->ret = ret; t->call_state->error_is_read = error_is_read; - } else { + } else if (t->s->progress) { progress_work_done(t->s->progress, t->bytes); } co_put_to_shres(t->s->mem, t->bytes); @@ -613,9 +613,11 @@ int64_t block_copy_reset_unallocated(BlockCopyState *s, if (!ret) { bdrv_reset_dirty_bitmap(s->copy_bitmap, offset, bytes); - progress_set_remaining(s->progress, - bdrv_get_dirty_count(s->copy_bitmap) + - s->in_flight_bytes); + if (s->progress) { + progress_set_remaining(s->progress, + bdrv_get_dirty_count(s->copy_bitmap) + + s->in_flight_bytes); + } } *count = bytes; @@ -675,9 +677,11 @@ block_copy_dirty_clusters(BlockCopyCallState *call_state) } if (s->skip_unallocated && !(ret & BDRV_BLOCK_ALLOCATED)) { block_copy_task_end(task, 0); - progress_set_remaining(s->progress, - bdrv_get_dirty_count(s->copy_bitmap) + - s->in_flight_bytes); + if (s->progress) { + progress_set_remaining(s->progress, + bdrv_get_dirty_count(s->copy_bitmap) + + s->in_flight_bytes); + } trace_block_copy_skip_range(s, task->offset, task->bytes); offset = task_end(task); bytes = end - offset; -- 2.29.2