Lines Matching refs:above_base
37 BlockDriverState *above_base; /* Node directly above the base */ member
90 base = bdrv_filter_or_cow_bs(s->above_base); in stream_prepare()
269 BlockDriverState *above_base; in stream_start() local
290 base_overlay = above_base = bottom; in stream_start()
304 above_base = base_overlay; in stream_start()
305 if (bdrv_cow_bs(above_base) != base) { in stream_start()
306 above_base = bdrv_cow_bs(above_base); in stream_start()
307 while (bdrv_filter_bs(above_base) != base) { in stream_start()
308 above_base = bdrv_filter_bs(above_base); in stream_start()
317 if (bdrv_freeze_backing_chain(bs, above_base, errp) < 0) { in stream_start()
324 bdrv_unfreeze_backing_chain(bs, above_base); in stream_start()
392 base = bdrv_filter_or_cow_bs(above_base); in stream_start()
406 s->above_base = above_base; in stream_start()