178 struct cache {  struct
182 	struct dm_cache_metadata *cmd;  argument
197 	struct dm_dev *cache_dev;  argument
206 	 * Size of the cache device in blocks.  argument
208 	dm_cblock_t cache_size;  argument
213 	uint32_t sectors_per_block;
214 	int sectors_per_block_shift;
238 	 * cache_size entries, dirty if set  argument
240 	atomic_t nr_dirty;
241 	unsigned long *dirty_bitset;
269 	struct dm_cache_policy *policy;  argument
282 	struct cache_features features;  argument
284 	struct cache_stats stats;  argument
301 	 * structure and the 'cache' member must be the first as it  argument
304 	struct cache *cache;  member
311 	struct cache *cache;  member
341 static void wake_worker(struct cache *cache)  in wake_worker()
348 static struct dm_bio_prison_cell *alloc_prison_cell(struct cache *cache)  in alloc_prison_cell()
354 static void free_prison_cell(struct cache *cache, struct dm_bio_prison_cell *cell)  in free_prison_cell()
359 static struct dm_cache_migration *alloc_migration(struct cache *cache)  in alloc_migration()
380 static int prealloc_data_structs(struct cache *cache, struct prealloc *p)  in prealloc_data_structs()
403 static void prealloc_free_structs(struct cache *cache, struct prealloc *p)  in prealloc_free_structs()
479 static int bio_detain_range(struct cache *cache, dm_oblock_t oblock_begin, dm_oblock_t oblock_end,  in bio_detain_range()
495 static int bio_detain(struct cache *cache, dm_oblock_t oblock,  in bio_detain()
505 static int get_cell(struct cache *cache,  in get_cell()
526 static bool is_dirty(struct cache *cache, dm_cblock_t b)  in is_dirty()
531 static void set_dirty(struct cache *cache, dm_oblock_t oblock, dm_cblock_t cblock)  in set_dirty()
539 static void clear_dirty(struct cache *cache, dm_oblock_t oblock, dm_cblock_t cblock)  in clear_dirty()
550 static bool block_size_is_power_of_two(struct cache *cache)  in block_size_is_power_of_two()
566 static dm_block_t oblocks_per_dblock(struct cache *cache)  in oblocks_per_dblock()
578 static dm_dblock_t oblock_to_dblock(struct cache *cache, dm_oblock_t oblock)  in oblock_to_dblock()
584 static dm_oblock_t dblock_to_oblock(struct cache *cache, dm_dblock_t dblock)  in dblock_to_oblock()
589 static void set_discard(struct cache *cache, dm_dblock_t b)  in set_discard()
601 static void clear_discard(struct cache *cache, dm_dblock_t b)  in clear_discard()
610 static bool is_discarded(struct cache *cache, dm_dblock_t b)  in is_discarded()
622 static bool is_discarded_oblock(struct cache *cache, dm_oblock_t b)  in is_discarded_oblock()
637 static void load_stats(struct cache *cache)  in load_stats()
648 static void save_stats(struct cache *cache)  in save_stats()
685 static size_t get_per_bio_data_size(struct cache *cache)  in get_per_bio_data_size()
711 static void remap_to_origin(struct cache *cache, struct bio *bio)  in remap_to_origin()
716 static void remap_to_cache(struct cache *cache, struct bio *bio,  in remap_to_cache()
733 static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio)  in check_if_tick_bio_needed()
748 static void remap_to_origin_clear_discard(struct cache *cache, struct bio *bio,  in remap_to_origin_clear_discard()
757 static void remap_to_cache_dirty(struct cache *cache, struct bio *bio,  in remap_to_cache_dirty()
768 static dm_oblock_t get_bio_block(struct cache *cache, struct bio *bio)  in get_bio_block()
780 static int bio_triggers_commit(struct cache *cache, struct bio *bio)  in bio_triggers_commit()
789 static void inc_ds(struct cache *cache, struct bio *bio,  in inc_ds()
801 static void issue(struct cache *cache, struct bio *bio)  in issue()
820 static void inc_and_issue(struct cache *cache, struct bio *bio, struct dm_bio_prison_cell *cell)  in inc_and_issue()
826 static void defer_writethrough_bio(struct cache *cache, struct bio *bio)  in defer_writethrough_bio()
865 static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio,  in remap_to_origin_then_cache()
884 static void inc_io_migrations(struct cache *cache)  in inc_io_migrations()
889 static void dec_io_migrations(struct cache *cache)  in dec_io_migrations()
894 static void __cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell,  in __cell_defer()
902 static void cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell,  in cell_defer()
922 	struct cache *cache = mg->cache;  in migration_failure()  local
948 	struct cache *cache = mg->cache;  in migration_success_pre_commit()  local
984 	struct cache *cache = mg->cache;  in migration_success_post_commit()  local
1026 	struct cache *cache = mg->cache;  in copy_complete()  local
1042 	struct cache *cache = mg->cache;  in issue_copy()  local
1071 	struct cache *cache = mg->cache;  in overwrite_endio()  local
1105 static bool bio_writes_complete_block(struct cache *cache, struct bio *bio)  in bio_writes_complete_block()
1117 static void calc_discard_block_range(struct cache *cache, struct bio *bio,  in calc_discard_block_range()
1150 	struct cache *cache = mg->cache;  in issue_copy_or_discard()  local
1183 static void process_migrations(struct cache *cache, struct list_head *head,  in process_migrations()
1207 	struct cache *cache = mg->cache;  in queue_quiesced_migration()  local
1216 static void queue_quiesced_migrations(struct cache *cache, struct list_head *work)  in queue_quiesced_migrations()
1229 static void check_for_quiesced_migrations(struct cache *cache,  in check_for_quiesced_migrations()
1250 static void promote(struct cache *cache, struct prealloc *structs,  in promote()
1274 static void writeback(struct cache *cache, struct prealloc *structs,  in writeback()
1298 static void demote_then_promote(struct cache *cache, struct prealloc *structs,  in demote_then_promote()
1329 static void invalidate(struct cache *cache, struct prealloc *structs,  in invalidate()
1353 static void discard(struct cache *cache, struct prealloc *structs,  in discard()
1376 static void defer_bio(struct cache *cache, struct bio *bio)  in defer_bio()
1387 static void process_flush_bio(struct cache *cache, struct bio *bio)  in process_flush_bio()
1406 static void process_discard_bio(struct cache *cache, struct prealloc *structs,  in process_discard_bio()
1429 static bool spare_migration_bandwidth(struct cache *cache)  in spare_migration_bandwidth()
1436 static void inc_hit_counter(struct cache *cache, struct bio *bio)  in inc_hit_counter()
1442 static void inc_miss_counter(struct cache *cache, struct bio *bio)  in inc_miss_counter()
1452 	struct cache *cache;  member
1474 static void process_bio(struct cache *cache, struct prealloc *structs,  in process_bio()
1579 static int need_commit_due_to_time(struct cache *cache)  in need_commit_due_to_time()
1585 static int commit_if_needed(struct cache *cache)  in commit_if_needed()
1600 static void process_deferred_bios(struct cache *cache)  in process_deferred_bios()
1641 static void process_deferred_flush_bios(struct cache *cache, bool submit_bios)  in process_deferred_flush_bios()
1661 static void process_deferred_writethrough_bios(struct cache *cache)  in process_deferred_writethrough_bios()
1681 static void writeback_some_dirty_blocks(struct cache *cache)  in writeback_some_dirty_blocks()
1716 static void process_invalidation_request(struct cache *cache, struct invalidation_request *req)  in process_invalidation_request()
1749 static void process_invalidation_requests(struct cache *cache)  in process_invalidation_requests()
1766 static bool is_quiescing(struct cache *cache)  in is_quiescing()
1771 static void ack_quiescing(struct cache *cache)  in ack_quiescing()
1779 static void wait_for_quiescing_ack(struct cache *cache)  in wait_for_quiescing_ack()
1784 static void start_quiescing(struct cache *cache)  in start_quiescing()
1790 static void stop_quiescing(struct cache *cache)  in stop_quiescing()
1796 static void wait_for_migrations(struct cache *cache)  in wait_for_migrations()
1801 static void stop_worker(struct cache *cache)  in stop_worker()
1807 static void requeue_deferred_io(struct cache *cache)  in requeue_deferred_io()
1820 static int more_work(struct cache *cache)  in more_work()
1838 	struct cache *cache = container_of(ws, struct cache, worker);  in do_worker()  local
1876 	struct cache *cache = container_of(to_delayed_work(ws), struct cache, waker);  in do_waker()  local
1892 	struct cache *cache = container_of(cb, struct cache, callbacks);  in cache_is_congested()  local
1906 static void destroy(struct cache *cache)  in destroy()
1955 	struct cache *cache = ti->private;  in cache_dtr()  local
2245 static int process_config_option(struct cache *cache, const char *key, const char *value)  in process_config_option()
2260 static int set_config_value(struct cache *cache, const char *key, const char *value)  in set_config_value()
2273 static int set_config_values(struct cache *cache, int argc, const char **argv)  in set_config_values()
2294 static int create_cache_policy(struct cache *cache, struct cache_args *ca,  in create_cache_policy()
2336 static void set_cache_size(struct cache *cache, dm_cblock_t size)  in set_cache_size()
2355 	struct cache *cache;  in cache_create()  local
2546 static int copy_ctr_args(struct cache *cache, int argc, const char **argv)  in copy_ctr_args()
2574 	struct cache *cache = NULL;  in cache_ctr()  local
2604 static int __cache_map(struct cache *cache, struct bio *bio, struct dm_bio_prison_cell **cell)  in __cache_map()
2724 	struct cache *cache = ti->private;  in cache_map()  local
2737 	struct cache *cache = ti->private;  in cache_end_io()  local
2755 static int write_dirty_bitset(struct cache *cache)  in write_dirty_bitset()
2769 static int write_discard_bitset(struct cache *cache)  in write_discard_bitset()
2793 static bool sync_metadata(struct cache *cache)  in sync_metadata()
2825 	struct cache *cache = ti->private;  in cache_postsuspend()  local
2840 	struct cache *cache = context;  in load_mapping()  local
2861 	struct cache *cache;  member
2871 static void discard_load_info_init(struct cache *cache,  in discard_load_info_init()
2938 static dm_cblock_t get_cache_dev_size(struct cache *cache)  in get_cache_dev_size()
2945 static bool can_resize(struct cache *cache, dm_cblock_t new_size)  in can_resize()
2965 static int resize_cache_dev(struct cache *cache, dm_cblock_t new_size)  in resize_cache_dev()
2983 	struct cache *cache = ti->private;  in cache_preresume()  local
3042 	struct cache *cache = ti->private;  in cache_resume()  local
3068 	struct cache *cache = ti->private;  in cache_status()  local
3161 static int parse_cblock_range(struct cache *cache, const char *str,  in parse_cblock_range()
3198 static int validate_cblock_range(struct cache *cache, struct cblock_range *range)  in validate_cblock_range()
3222 static int request_invalidation(struct cache *cache, struct cblock_range *range)  in request_invalidation()
3241 static int process_invalidate_cblocks_message(struct cache *cache, unsigned count,  in process_invalidate_cblocks_message()
3283 	struct cache *cache = ti->private;  in cache_message()  local
3301 	struct cache *cache = ti->private;  in cache_iterate_devices()  local
3320 	struct cache *cache = ti->private;  in cache_bvec_merge()  local
3330 static void set_discard_limits(struct cache *cache, struct queue_limits *limits)  in set_discard_limits()
3342 	struct cache *cache = ti->private;  in cache_io_hints()  local