blk_insert_bs(root, bs, &error_abort);
- bdrv_graph_wrlock(NULL);
+ bdrv_graph_wrlock();
bdrv_attach_child(filter, bs, "child", &child_of_bds,
BDRV_CHILD_DATA, &error_abort);
- bdrv_graph_wrunlock(NULL);
+ bdrv_graph_wrunlock();
aio_context_acquire(qemu_get_aio_context());
ret = bdrv_append(filter, bs, NULL);
bdrv_set_backing_hd(target, bs, &error_abort);
- bdrv_graph_wrlock(NULL);
+ bdrv_graph_wrlock();
g_assert(target->backing->bs == bs);
bdrv_attach_child(filter, target, "target", &child_of_bds,
BDRV_CHILD_DATA, &error_abort);
- bdrv_graph_wrunlock(NULL);
+ bdrv_graph_wrunlock();
aio_context_acquire(qemu_get_aio_context());
bdrv_append(filter, bs, &error_abort);
aio_context_release(qemu_get_aio_context());
bdrv_ref(base);
bdrv_ref(fl1);
- bdrv_graph_wrlock(NULL);
+ bdrv_graph_wrlock();
bdrv_attach_child(top, fl1, "backing", &child_of_bds,
BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
&error_abort);
&error_abort);
bdrv_replace_node(fl1, fl2, &error_abort);
- bdrv_graph_wrunlock(NULL);
+ bdrv_graph_wrunlock();
bdrv_drained_end(fl2);
bdrv_drained_end(fl1);
*/
bdrv_ref(base);
- bdrv_graph_wrlock(NULL);
+ bdrv_graph_wrlock();
bdrv_attach_child(top, ws, "file", &child_of_bds, BDRV_CHILD_DATA,
&error_abort);
c_fl1 = bdrv_attach_child(ws, fl1, "first", &child_of_bds,
bdrv_attach_child(fl2, base, "backing", &child_of_bds,
BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
&error_abort);
- bdrv_graph_wrunlock(NULL);
+ bdrv_graph_wrunlock();
/* Select fl1 as first child to be active */
s->selected = c_fl1;
BlockDriverState *base = no_perm_node("base");
BlockDriverState *fl = exclusive_writer_node("fl1");
- bdrv_graph_wrlock(NULL);
+ bdrv_graph_wrlock();
bdrv_attach_child(top, base, "backing", &child_of_bds,
BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
&error_abort);
- bdrv_graph_wrunlock(NULL);
+ bdrv_graph_wrunlock();
aio_context_acquire(qemu_get_aio_context());
bdrv_append(fl, base, &error_abort);