215 struct pool {  struct
217 	struct dm_target *ti;	/* Only set if a pool target is bound */  argument
219 	struct mapped_device *pool_md;  argument
221 	struct dm_pool_metadata *pmd;  argument
227 	struct pool_features pf;  argument
228 	bool low_water_triggered:1;	/* A dm event has been sent */
229 	bool suspended:1;
253 	mempool_t *mapping_pool;  argument
267 static enum pool_mode get_pool_mode(struct pool *pool);  argument
275 	struct pool *pool;  member
295 	struct pool *pool;  member
320 static void wake_worker(struct pool *pool)  in wake_worker()
327 static int bio_detain(struct pool *pool, struct dm_cell_key *key, struct bio *bio,  in bio_detain()
350 static void cell_release(struct pool *pool,  in cell_release()
358 static void cell_visit_release(struct pool *pool,  in cell_visit_release()
367 static void cell_release_no_holder(struct pool *pool,  in cell_release_no_holder()
375 static void cell_error_with_code(struct pool *pool,  in cell_error_with_code()
382 static void cell_error(struct pool *pool, struct dm_bio_prison_cell *cell)  in cell_error()
387 static void cell_success(struct pool *pool, struct dm_bio_prison_cell *cell)  in cell_success()
392 static void cell_requeue(struct pool *pool, struct dm_bio_prison_cell *cell)  in cell_requeue()
413 static void __pool_table_insert(struct pool *pool)  in __pool_table_insert()
419 static void __pool_table_remove(struct pool *pool)  in __pool_table_remove()
427 	struct pool *pool = NULL, *tmp;  in __pool_table_lookup()  local
443 	struct pool *pool = NULL, *tmp;  in __pool_table_lookup_metadata_dev()  local
497 	struct pool *pool = tc->pool;  in requeue_deferred_cells()  local
528 static void error_retry_list(struct pool *pool)  in error_retry_list()
545 static bool block_size_is_power_of_two(struct pool *pool)  in block_size_is_power_of_two()
552 	struct pool *pool = tc->pool;  in get_bio_block()  local
565 	struct pool *pool = tc->pool;  in remap()  local
589 static void inc_all_io_entry(struct pool *pool, struct bio *bio)  in inc_all_io_entry()
602 	struct pool *pool = tc->pool;  in issue()  local
678 	struct pool *pool = m->tc->pool;  in __complete_mapping_preparation()  local
689 	struct pool *pool = m->tc->pool;  in complete_mapping_preparation()  local
729 	struct pool *pool = tc->pool;  in cell_defer_no_holder()  local
809 	struct pool *pool = tc->pool;  in process_prepared_mapping()  local
902 static void process_prepared(struct pool *pool, struct list_head *head,  in process_prepared()
921 static int io_overlaps_block(struct pool *pool, struct bio *bio)  in io_overlaps_block()
927 static int io_overwrites_block(struct pool *pool, struct bio *bio)  in io_overwrites_block()
940 static int ensure_next_mapping(struct pool *pool)  in ensure_next_mapping()
950 static struct dm_thin_new_mapping *get_next_mapping(struct pool *pool)  in get_next_mapping()
986 	struct pool *pool = tc->pool;  in remap_and_issue_overwrite()  local
1006 	struct pool *pool = tc->pool;  in schedule_copy()  local
1084 	struct pool *pool = tc->pool;  in schedule_zero()  local
1114 	struct pool *pool = tc->pool;  in schedule_external_copy()  local
1134 static void check_for_space(struct pool *pool)  in check_for_space()
1154 static int commit(struct pool *pool)  in commit()
1170 static void check_low_water_mark(struct pool *pool, dm_block_t free_blocks)  in check_low_water_mark()
1188 	struct pool *pool = tc->pool;  in alloc_data_block()  local
1246 static int should_error_unserviceable_bio(struct pool *pool)  in should_error_unserviceable_bio()
1269 static void handle_unserviceable_bio(struct pool *pool, struct bio *bio)  in handle_unserviceable_bio()
1279 static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *cell)  in retry_bios_on_resume()
1302 	struct pool *pool = tc->pool;  in process_discard_cell()  local
1400 	struct pool *pool = tc->pool;  in break_sharing()  local
1468 	struct pool *pool = tc->pool;  in process_shared_bio()  local
1501 	struct pool *pool = tc->pool;  in provision_block()  local
1548 	struct pool *pool = tc->pool;  in process_cell()  local
1602 	struct pool *pool = tc->pool;  in process_bio()  local
1703 static int need_commit_due_to_time(struct pool *pool)  in need_commit_due_to_time()
1775 	struct pool *pool = tc->pool;  in process_thin_deferred_bios()  local
1848 static unsigned sort_cells(struct pool *pool, struct list_head *cells)  in sort_cells()
1868 	struct pool *pool = tc->pool;  in process_thin_deferred_cells()  local
1921 static struct thin_c *get_first_thin(struct pool *pool)  in get_first_thin()
1935 static struct thin_c *get_next_thin(struct pool *pool, struct thin_c *tc)  in get_next_thin()
1952 static void process_deferred_bios(struct pool *pool)  in process_deferred_bios()
1993 	struct pool *pool = container_of(ws, struct pool, worker);  in do_worker()  local
2012 	struct pool *pool = container_of(to_delayed_work(ws), struct pool, waker);  in do_waker()  local
2024 	struct pool *pool = container_of(to_delayed_work(ws), struct pool,  in do_no_space_timeout()  local
2048 static void pool_work_wait(struct pool_work *pw, struct pool *pool,  in pool_work_wait()
2094 static enum pool_mode get_pool_mode(struct pool *pool)  in get_pool_mode()
2099 static void notify_of_pool_mode_change(struct pool *pool, const char *new_mode)  in notify_of_pool_mode_change()
2106 static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)  in set_pool_mode()
2205 static void abort_transaction(struct pool *pool)  in abort_transaction()
2221 static void metadata_operation_failed(struct pool *pool, const char *op, int r)  in metadata_operation_failed()
2242 	struct pool *pool = tc->pool;  in thin_defer_bio()  local
2253 	struct pool *pool = tc->pool;  in thin_defer_bio_with_throttle()  local
2263 	struct pool *pool = tc->pool;  in thin_defer_cell()  local
2390 static void requeue_bios(struct pool *pool)  in requeue_bios()
2426 	struct pool *pool = pt->pool;  in disable_passdown_if_not_supported()  local
2454 static int bind_control_target(struct pool *pool, struct dm_target *ti)  in bind_control_target()
2480 static void unbind_control_target(struct pool *pool, struct dm_target *ti)  in unbind_control_target()
2499 static void __pool_destroy(struct pool *pool)  in __pool_destroy()
2530 	struct pool *pool;  in pool_create()  local
2652 static void __pool_inc(struct pool *pool)  in __pool_inc()
2658 static void __pool_dec(struct pool *pool)  in __pool_dec()
2671 	struct pool *pool = __pool_table_lookup_metadata_dev(metadata_dev);  in __pool_find()  local
2768 	struct pool *pool = context;  in metadata_low_callback()  local
2844 	struct pool *pool;  in pool_ctr()  local
2989 	struct pool *pool = pt->pool;  in pool_map()  local
3007 	struct pool *pool = pt->pool;  in maybe_resize_data_dev()  local
3055 	struct pool *pool = pt->pool;  in maybe_resize_metadata_dev()  local
3114 	struct pool *pool = pt->pool;  in pool_preresume()  local
3137 static void pool_suspend_active_thins(struct pool *pool)  in pool_suspend_active_thins()
3149 static void pool_resume_active_thins(struct pool *pool)  in pool_resume_active_thins()
3164 	struct pool *pool = pt->pool;  in pool_resume()  local
3185 	struct pool *pool = pt->pool;  in pool_presuspend()  local
3198 	struct pool *pool = pt->pool;  in pool_presuspend_undo()  local
3211 	struct pool *pool = pt->pool;  in pool_postsuspend()  local
3242 static int process_create_thin_mesg(unsigned argc, char **argv, struct pool *pool)  in process_create_thin_mesg()
3265 static int process_create_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_create_snap_mesg()
3293 static int process_delete_mesg(unsigned argc, char **argv, struct pool *pool)  in process_delete_mesg()
3313 static int process_set_transaction_id_mesg(unsigned argc, char **argv, struct pool *pool)  in process_set_transaction_id_mesg()
3342 static int process_reserve_metadata_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_reserve_metadata_snap_mesg()
3359 static int process_release_metadata_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_release_metadata_snap_mesg()
3387 	struct pool *pool = pt->pool;  in pool_message()  local
3465 	struct pool *pool = pt->pool;  in pool_status()  local
3592 	struct pool *pool = pt->pool;  in set_discard_limits()  local
3611 	struct pool *pool = pt->pool;  in pool_io_hints()  local
3890 	struct pool *pool = h->tc->pool;  in thin_endio()  local
4026 	struct pool *pool = tc->pool;  in thin_iterate_devices()  local