drivers/block/rbd.c

331 	struct rbd_device	*rbd_dev;
381 struct rbd_device {
437 	struct rbd_device	*parent;
501 static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth);
513 static bool rbd_is_ro(struct rbd_device *rbd_dev)
518 static bool rbd_is_snap(struct rbd_device *rbd_dev)
523 static bool __rbd_is_lock_owner(struct rbd_device *rbd_dev)
531 static bool rbd_is_lock_owner(struct rbd_device *rbd_dev)
593 void rbd_warn(struct rbd_device *rbd_dev, const char *fmt, ...)
632 static void rbd_dev_remove_parent(struct rbd_device *rbd_dev);
634 static int rbd_dev_refresh(struct rbd_device *rbd_dev);
635 static int rbd_dev_v2_header_onetime(struct rbd_device *rbd_dev,
637 static const char *rbd_dev_v2_snap_name(struct rbd_device *rbd_dev,
639 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
641 static int rbd_dev_v2_get_flags(struct rbd_device *rbd_dev);
664 	struct rbd_device *rbd_dev = disk->private_data;
683 	struct rbd_device *rbd_dev = disk->private_data;
981 static void rbd_init_layout(struct rbd_device *rbd_dev)
1102 static const char *_rbd_dev_v1_snap_name(struct rbd_device *rbd_dev, u32 which)
1141 static u32 rbd_dev_snap_index(struct rbd_device *rbd_dev, u64 snap_id)
1152 static const char *rbd_dev_v1_snap_name(struct rbd_device *rbd_dev,
1166 static const char *rbd_snap_name(struct rbd_device *rbd_dev, u64 snap_id)
1178 static int rbd_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
1205 static int rbd_dev_mapping_set(struct rbd_device *rbd_dev)
1219 static void rbd_dev_mapping_clear(struct rbd_device *rbd_dev)
1323 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
1331 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
1410 	struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev;
1430 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
1530 static void rbd_dev_unparent(struct rbd_device *rbd_dev)
1544 static void rbd_dev_parent_put(struct rbd_device *rbd_dev)
1571 static bool rbd_dev_parent_get(struct rbd_device *rbd_dev)
1588 				 struct rbd_device *rbd_dev,
1608 	struct rbd_device *rbd_dev = img_req->rbd_dev;
1644 static void __rbd_object_map_index(struct rbd_device *rbd_dev, u64 objno,
1654 static u8 __rbd_object_map_get(struct rbd_device *rbd_dev, u64 objno)
1664 static void __rbd_object_map_set(struct rbd_device *rbd_dev, u64 objno, u8 val)
1678 static u8 rbd_object_map_get(struct rbd_device *rbd_dev, u64 objno)
1688 static bool use_object_map(struct rbd_device *rbd_dev)
1705 static bool rbd_object_map_may_exist(struct rbd_device *rbd_dev, u64 objno)
1717 static void rbd_object_map_name(struct rbd_device *rbd_dev, u64 snap_id,
1728 static int rbd_object_map_lock(struct rbd_device *rbd_dev)
1786 static void rbd_object_map_unlock(struct rbd_device *rbd_dev)
1825 static int __rbd_object_map_load(struct rbd_device *rbd_dev)
1890 static void rbd_object_map_free(struct rbd_device *rbd_dev)
1897 static int rbd_object_map_load(struct rbd_device *rbd_dev)
1917 static int rbd_object_map_open(struct rbd_device *rbd_dev)
1934 static void rbd_object_map_close(struct rbd_device *rbd_dev)
1953 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2007 static bool update_needed(struct rbd_device *rbd_dev, u64 objno, u8 new_state)
2060 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2138 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2229 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2287 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2543 	struct rbd_device *rbd_dev = img_req->rbd_dev;
2759 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2796 	struct rbd_device *parent = img_req->rbd_dev->parent;
2851 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2928 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2950 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3109 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3134 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3210 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3284 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3299 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3388 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3419 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3437 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3454 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3472 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3491 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3566 	struct rbd_device *rbd_dev = img_req->rbd_dev;
3622 static struct rbd_client_id rbd_get_cid(struct rbd_device *rbd_dev)
3636 static void rbd_set_owner_cid(struct rbd_device *rbd_dev,
3645 static void format_lock_cookie(struct rbd_device *rbd_dev, char *buf)
3652 static void __rbd_lock(struct rbd_device *rbd_dev, const char *cookie)
3665 static int rbd_lock(struct rbd_device *rbd_dev)
3688 static void rbd_unlock(struct rbd_device *rbd_dev)
3708 static int __rbd_notify_op_lock(struct rbd_device *rbd_dev,
3732 static void rbd_notify_op_lock(struct rbd_device *rbd_dev,
3740 	struct rbd_device *rbd_dev = container_of(work, struct rbd_device,
3748 	struct rbd_device *rbd_dev = container_of(work, struct rbd_device,
3754 static int rbd_request_lock(struct rbd_device *rbd_dev)
3826 static void wake_lock_waiters(struct rbd_device *rbd_dev, int result)
3872 static struct ceph_locker *get_lock_owner_info(struct rbd_device *rbd_dev)
3935 static int find_watcher(struct rbd_device *rbd_dev,
3985 static int rbd_try_lock(struct rbd_device *rbd_dev)
4057 static int rbd_post_acquire_action(struct rbd_device *rbd_dev)
4080 static int rbd_try_acquire_lock(struct rbd_device *rbd_dev)
4133 	struct rbd_device *rbd_dev = container_of(to_delayed_work(work),
4134 					    struct rbd_device, lock_dwork);
4169 static bool rbd_quiesce_lock(struct rbd_device *rbd_dev)
4196 static void rbd_pre_release_action(struct rbd_device *rbd_dev)
4202 static void __rbd_release_lock(struct rbd_device *rbd_dev)
4213 static void rbd_release_lock(struct rbd_device *rbd_dev)
4232 	struct rbd_device *rbd_dev = container_of(work, struct rbd_device,
4240 static void maybe_kick_acquire(struct rbd_device *rbd_dev)
4257 static void rbd_handle_acquired_lock(struct rbd_device *rbd_dev, u8 struct_v,
4286 static void rbd_handle_released_lock(struct rbd_device *rbd_dev, u8 struct_v,
4320 static int rbd_handle_request_lock(struct rbd_device *rbd_dev, u8 struct_v,
4367 static void __rbd_acknowledge_notify(struct rbd_device *rbd_dev,
4393 static void rbd_acknowledge_notify(struct rbd_device *rbd_dev, u64 notify_id,
4400 static void rbd_acknowledge_notify_result(struct rbd_device *rbd_dev,
4410 	struct rbd_device *rbd_dev = arg;
4471 static void __rbd_unregister_watch(struct rbd_device *rbd_dev);
4475 	struct rbd_device *rbd_dev = arg;
4496 static int __rbd_register_watch(struct rbd_device *rbd_dev)
4517 static void __rbd_unregister_watch(struct rbd_device *rbd_dev)
4532 static int rbd_register_watch(struct rbd_device *rbd_dev)
4550 static void cancel_tasks_sync(struct rbd_device *rbd_dev)
4564 static void rbd_unregister_watch(struct rbd_device *rbd_dev)
4581 static void rbd_reacquire_lock(struct rbd_device *rbd_dev)
4618 	struct rbd_device *rbd_dev = container_of(to_delayed_work(work),
4619 					    struct rbd_device, watch_dwork);
4666 static int rbd_obj_method_sync(struct rbd_device *rbd_dev,
4723 	struct rbd_device *rbd_dev = img_request->rbd_dev;
4777 	struct rbd_device *rbd_dev = hctx->queue->queuedata;
4815 static void rbd_free_disk(struct rbd_device *rbd_dev)
4822 static int rbd_obj_read_sync(struct rbd_device *rbd_dev,
4871 static int rbd_dev_v1_header_info(struct rbd_device *rbd_dev,
4928 static void rbd_dev_update_size(struct rbd_device *rbd_dev)
4949 static int rbd_init_disk(struct rbd_device *rbd_dev)
5011 static struct rbd_device *dev_to_rbd_dev(struct device *dev)
5013 	return container_of(dev, struct rbd_device, dev);
5019 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5028 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5036 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5047 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5055 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5066 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5075 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5083 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5094 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5102 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5111 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5119 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5130 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5143 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5151 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5165 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5196 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5306 static void rbd_dev_free(struct rbd_device *rbd_dev)
5323 	struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
5342 static struct rbd_device *__rbd_dev_create(struct rbd_spec *spec)
5344 	struct rbd_device *rbd_dev;
5393 static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,
5397 	struct rbd_device *rbd_dev;
5433 static void rbd_dev_destroy(struct rbd_device *rbd_dev)
5444 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
5477 static int rbd_dev_v2_object_prefix(struct rbd_device *rbd_dev,
5516 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
5567 static int rbd_dev_v2_get_flags(struct rbd_device *rbd_dev)
5639 static int __get_parent_info(struct rbd_device *rbd_dev,
5685 static int __get_parent_info_legacy(struct rbd_device *rbd_dev,
5723 static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev,
5752 static int rbd_dev_setup_parent(struct rbd_device *rbd_dev)
5811 static int rbd_dev_v2_striping_info(struct rbd_device *rbd_dev,
5838 static int rbd_dev_v2_data_pool(struct rbd_device *rbd_dev, s64 *data_pool_id)
5860 static char *rbd_dev_image_name(struct rbd_device *rbd_dev)
5911 static u64 rbd_v1_snap_id_by_name(struct rbd_device *rbd_dev, const char *name)
5929 static u64 rbd_v2_snap_id_by_name(struct rbd_device *rbd_dev, const char *name)
5958 static u64 rbd_snap_id_by_name(struct rbd_device *rbd_dev, const char *name)
5969 static int rbd_spec_fill_snap_id(struct rbd_device *rbd_dev)
5998 static int rbd_spec_fill_names(struct rbd_device *rbd_dev)
6048 static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev,
6119 static const char *rbd_dev_v2_snap_name(struct rbd_device *rbd_dev,
6159 static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev,
6184 static int rbd_dev_header_info(struct rbd_device *rbd_dev,
6540 static void rbd_dev_image_unlock(struct rbd_device *rbd_dev)
6553 static int rbd_add_acquire_lock(struct rbd_device *rbd_dev)
6601 static int rbd_dev_image_id(struct rbd_device *rbd_dev)
6675 static void rbd_dev_unprobe(struct rbd_device *rbd_dev)
6686 static int rbd_dev_v2_header_onetime(struct rbd_device *rbd_dev,
6727 static int rbd_dev_probe_parent(struct rbd_device *rbd_dev, int depth)
6729 	struct rbd_device *parent = NULL;
6770 static void rbd_dev_device_release(struct rbd_device *rbd_dev)
6782 static int rbd_dev_device_setup(struct rbd_device *rbd_dev)
6827 static int rbd_dev_header_name(struct rbd_device *rbd_dev)
6845 static void rbd_print_dne(struct rbd_device *rbd_dev, bool is_snap)
6863 static void rbd_dev_image_release(struct rbd_device *rbd_dev)
6883 static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
6977 static void rbd_dev_update_header(struct rbd_device *rbd_dev,
7007 static void rbd_dev_update_parent(struct rbd_device *rbd_dev,
7044 static int rbd_dev_refresh(struct rbd_device *rbd_dev)
7080 	struct rbd_device *rbd_dev = NULL;
7204 static void rbd_dev_remove_parent(struct rbd_device *rbd_dev)
7207 		struct rbd_device *first = rbd_dev;
7208 		struct rbd_device *second = first->parent;
7209 		struct rbd_device *third;
7233 	struct rbd_device *rbd_dev = NULL;