diff options
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/mirror.c b/block/mirror.c index fc6b9b7118..896972c297 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -207,7 +207,7 @@ static void coroutine_fn mirror_run(void *opaque) if (backing_filename[0] && !s->target->backing_hd) { bdrv_get_info(s->target, &bdi); if (s->granularity < bdi.cluster_size) { - s->buf_size = bdi.cluster_size; + s->buf_size = MAX(s->buf_size, bdi.cluster_size); length = (bdrv_getlength(bs) + s->granularity - 1) / s->granularity; s->cow_bitmap = bitmap_new(length); } @@ -416,8 +416,8 @@ static BlockJobType mirror_job_type = { }; void mirror_start(BlockDriverState *bs, BlockDriverState *target, - int64_t speed, int64_t granularity, MirrorSyncMode mode, - BlockdevOnError on_source_error, + int64_t speed, int64_t granularity, int64_t buf_size, + MirrorSyncMode mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, BlockDriverCompletionFunc *cb, void *opaque, Error **errp) @@ -455,7 +455,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, s->target = target; s->mode = mode; s->granularity = granularity; - s->buf_size = granularity; + s->buf_size = MAX(buf_size, granularity); bdrv_set_dirty_tracking(bs, granularity); bdrv_set_enable_write_cache(s->target, true); |