494     source = s->mirror_top_bs->backing->bs;  in mirror_iteration()
688     src = mirror_top_bs->backing->bs;  in mirror_exit_common()
795     bdrv_replace_node(mirror_top_bs, mirror_top_bs->backing->bs, &error_abort);  in mirror_exit_common()
842     BlockDriverState *bs;  in mirror_dirty_init()  local
848     bs = s->mirror_top_bs->backing->bs;  in mirror_dirty_init()
897             ret = bdrv_co_is_allocated_above(bs, s->base_overlay, true, offset,  in mirror_dirty_init()
930     BlockDriverState *bs;  in mirror_run()  local
943     bs = bdrv_filter_bs(s->mirror_top_bs);  in mirror_run()
951     s->bdev_length = bdrv_co_getlength(bs);  in mirror_run()
1011     s->max_iov = MIN(bs->bl.max_iov, target_bs->bl.max_iov);  in mirror_run()
1014     s->buf = qemu_try_blockalign(bs, s->buf_size);  in mirror_run()
1120             bdrv_drained_begin(bs);  in mirror_run()
1127                 bdrv_drained_end(bs);  in mirror_run()
1135             assert(QLIST_EMPTY(&bs->tracked_requests));  in mirror_run()
1171         bdrv_drained_begin(bs);  in mirror_run()
1500         if (QLIST_FIRST(&source->bs->parents) == source &&  in active_write_settle()
1517 bdrv_mirror_top_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,  in bdrv_mirror_top_preadv()  argument
1520     return bdrv_co_preadv(bs->backing, offset, bytes, qiov, flags);  in bdrv_mirror_top_preadv()
1531 bdrv_mirror_top_do_write(BlockDriverState *bs, MirrorMethod method,  in bdrv_mirror_top_do_write()  argument
1536     MirrorBDSOpaque *s = bs->opaque;  in bdrv_mirror_top_do_write()
1545         ret = bdrv_co_pwritev(bs->backing, offset, bytes, qiov, flags);  in bdrv_mirror_top_do_write()
1549         ret = bdrv_co_pwrite_zeroes(bs->backing, offset, bytes, flags);  in bdrv_mirror_top_do_write()
1553         ret = bdrv_co_pdiscard(bs->backing, offset, bytes);  in bdrv_mirror_top_do_write()
1581 bdrv_mirror_top_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,  in bdrv_mirror_top_pwritev()  argument
1587     bool copy_to_target = should_copy_to_target(bs->opaque);  in bdrv_mirror_top_pwritev()
1594         bounce_buf = qemu_blockalign(bs, bytes);  in bdrv_mirror_top_pwritev()
1604     ret = bdrv_mirror_top_do_write(bs, MIRROR_METHOD_COPY, copy_to_target,  in bdrv_mirror_top_pwritev()
1615 static int coroutine_fn GRAPH_RDLOCK bdrv_mirror_top_flush(BlockDriverState *bs)  in bdrv_mirror_top_flush()  argument
1617     if (bs->backing == NULL) {  in bdrv_mirror_top_flush()
1621     return bdrv_co_flush(bs->backing->bs);  in bdrv_mirror_top_flush()
1625 bdrv_mirror_top_pwrite_zeroes(BlockDriverState *bs, int64_t offset,  in bdrv_mirror_top_pwrite_zeroes()  argument
1628     bool copy_to_target = should_copy_to_target(bs->opaque);  in bdrv_mirror_top_pwrite_zeroes()
1629     return bdrv_mirror_top_do_write(bs, MIRROR_METHOD_ZERO, copy_to_target,  in bdrv_mirror_top_pwrite_zeroes()
1634 bdrv_mirror_top_pdiscard(BlockDriverState *bs, int64_t offset, int64_t bytes)  in bdrv_mirror_top_pdiscard()  argument
1636     bool copy_to_target = should_copy_to_target(bs->opaque);  in bdrv_mirror_top_pdiscard()
1637     return bdrv_mirror_top_do_write(bs, MIRROR_METHOD_DISCARD, copy_to_target,  in bdrv_mirror_top_pdiscard()
1641 static void GRAPH_RDLOCK bdrv_mirror_top_refresh_filename(BlockDriverState *bs)  in bdrv_mirror_top_refresh_filename()  argument
1643     if (bs->backing == NULL) {  in bdrv_mirror_top_refresh_filename()
1648     pstrcpy(bs->exact_filename, sizeof(bs->exact_filename),  in bdrv_mirror_top_refresh_filename()
1649             bs->backing->bs->filename);  in bdrv_mirror_top_refresh_filename()
1652 static void bdrv_mirror_top_child_perm(BlockDriverState *bs, BdrvChild *c,  in bdrv_mirror_top_child_perm()  argument
1658     MirrorBDSOpaque *s = bs->opaque;  in bdrv_mirror_top_child_perm()
1670     bdrv_default_perms(bs, c, role, reopen_queue,  in bdrv_mirror_top_child_perm()
1710                              const char *job_id, BlockDriverState *bs,  in mirror_start_job()  argument
1753     if (bdrv_skip_filters(bs) == bdrv_skip_filters(target)) {  in mirror_start_job()
1759     target_is_backing = bdrv_chain_contains(bs, target);  in mirror_start_job()
1777     mirror_top_bs->total_sectors = bs->total_sectors;  in mirror_start_job()
1786     bdrv_drained_begin(bs);  in mirror_start_job()
1787     ret = bdrv_append(mirror_top_bs, bs, errp);  in mirror_start_job()
1788     bdrv_drained_end(bs);  in mirror_start_job()
1825         bs_size = bdrv_getlength(bs);  in mirror_start_job()
1846         if (bdrv_chain_contains(bs, bdrv_skip_filters(target))) {  in mirror_start_job()
1886     s->base_overlay = bdrv_find_overlay(bs, base);  in mirror_start_job()
1908     ret = block_job_add_bdrv(&s->common, "source", bs, 0,  in mirror_start_job()
1931         filtered_target = bdrv_cow_bs(bdrv_find_overlay(bs, target));  in mirror_start_job()
1944         for (iter = bdrv_filter_or_cow_bs(bs); iter != target;  in mirror_start_job()
1972     trace_mirror_start(bs, s, opaque);  in mirror_start_job()
1993     bdrv_drained_begin(bs);  in mirror_start_job()
1995     assert(mirror_top_bs->backing->bs == bs);  in mirror_start_job()
1998     bdrv_replace_node(mirror_top_bs, bs, &error_abort);  in mirror_start_job()
2000     bdrv_drained_end(bs);  in mirror_start_job()
2007 void mirror_start(const char *job_id, BlockDriverState *bs,  in mirror_start()  argument
2032     base = mode == MIRROR_SYNC_MODE_TOP ? bdrv_backing_chain_next(bs) : NULL;  in mirror_start()
2035     mirror_start_job(job_id, bs, creation_flags, target, replaces,  in mirror_start()
2042 BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,  in commit_active_start()  argument
2063                      job_id, bs, creation_flags, base, NULL, speed, 0, 0,  in commit_active_start()