109 struct dm_writecache {  struct
206 	struct dm_writecache *wc;  argument
215 	struct dm_writecache *wc;
224 static void wc_lock(struct dm_writecache *wc)  in wc_lock()
229 static void wc_unlock(struct dm_writecache *wc)  in wc_unlock()
235 static int persistent_memory_claim(struct dm_writecache *wc)  in persistent_memory_claim()
329 static int persistent_memory_claim(struct dm_writecache *wc)  in persistent_memory_claim()
335 static void persistent_memory_release(struct dm_writecache *wc)  in persistent_memory_release()
366 static struct wc_memory_superblock *sb(struct dm_writecache *wc)  in sb()
371 static struct wc_memory_entry *memory_entry(struct dm_writecache *wc, struct wc_entry *e)  in memory_entry()
376 static void *memory_data(struct dm_writecache *wc, struct wc_entry *e)  in memory_data()
381 static sector_t cache_sector(struct dm_writecache *wc, struct wc_entry *e)  in cache_sector()
387 static uint64_t read_original_sector(struct dm_writecache *wc, struct wc_entry *e)  in read_original_sector()
396 static uint64_t read_seq_count(struct dm_writecache *wc, struct wc_entry *e)  in read_seq_count()
405 static void clear_seq_count(struct dm_writecache *wc, struct wc_entry *e)  in clear_seq_count()
413 static void write_original_sector_seq_count(struct dm_writecache *wc, struct wc_entry *e,  in write_original_sector_seq_count()
435 static void writecache_flush_all_metadata(struct dm_writecache *wc)  in writecache_flush_all_metadata()
441 static void writecache_flush_region(struct dm_writecache *wc, void *ptr, size_t size)  in writecache_flush_region()
448 static void writecache_disk_flush(struct dm_writecache *wc, struct dm_dev *dev);
451 	struct dm_writecache *wc;
467 static void writecache_wait_for_ios(struct dm_writecache *wc, int direction)  in writecache_wait_for_ios()
473 static void ssd_commit_flushed(struct dm_writecache *wc, bool wait_for_ios)  in ssd_commit_flushed()
527 static void ssd_commit_superblock(struct dm_writecache *wc)  in ssd_commit_superblock()
555 static void writecache_commit_flushed(struct dm_writecache *wc, bool wait_for_ios)  in writecache_commit_flushed()
563 static void writecache_disk_flush(struct dm_writecache *wc, struct dm_dev *dev)  in writecache_disk_flush()
587 static struct wc_entry *writecache_find_entry(struct dm_writecache *wc,  in writecache_find_entry()
633 static void writecache_insert_entry(struct dm_writecache *wc, struct wc_entry *ins)  in writecache_insert_entry()
652 static void writecache_unlink(struct dm_writecache *wc, struct wc_entry *e)  in writecache_unlink()
658 static void writecache_add_to_freelist(struct dm_writecache *wc, struct wc_entry *e)  in writecache_add_to_freelist()
679 static inline void writecache_verify_watermark(struct dm_writecache *wc)  in writecache_verify_watermark()
687 	struct dm_writecache *wc = from_timer(wc, t, max_age_timer);  in writecache_max_age_timer()
695 static struct wc_entry *writecache_pop_from_freelist(struct dm_writecache *wc, sector_t expected_se…  in writecache_pop_from_freelist()
726 static void writecache_free_entry(struct dm_writecache *wc, struct wc_entry *e)  in writecache_free_entry()
736 static void writecache_wait_on_freelist(struct dm_writecache *wc)  in writecache_wait_on_freelist()
747 static void writecache_poison_lists(struct dm_writecache *wc)  in writecache_poison_lists()
759 static void writecache_flush_entry(struct dm_writecache *wc, struct wc_entry *e)  in writecache_flush_entry()
766 static bool writecache_entry_is_committed(struct dm_writecache *wc, struct wc_entry *e)  in writecache_entry_is_committed()
771 static void writecache_flush(struct dm_writecache *wc)  in writecache_flush()
837 	struct dm_writecache *wc = container_of(work, struct dm_writecache, flush_work);  in writecache_flush_work()
846 	struct dm_writecache *wc = from_timer(wc, t, autocommit_timer);  in writecache_autocommit_timer()
851 static void writecache_schedule_autocommit(struct dm_writecache *wc)  in writecache_schedule_autocommit()
857 static void writecache_discard(struct dm_writecache *wc, sector_t start, sector_t end)  in writecache_discard()
892 static bool writecache_wait_for_writeback(struct dm_writecache *wc)  in writecache_wait_for_writeback()
903 	struct dm_writecache *wc = ti->private;  in writecache_suspend()
934 static int writecache_alloc_entries(struct dm_writecache *wc)  in writecache_alloc_entries()
953 static int writecache_read_metadata(struct dm_writecache *wc, sector_t n_sectors)  in writecache_read_metadata()
973 	struct dm_writecache *wc = ti->private;  in writecache_resume()
1084 static int process_flush_mesg(unsigned argc, char **argv, struct dm_writecache *wc)  in process_flush_mesg()
1117 static int process_flush_on_suspend_mesg(unsigned argc, char **argv, struct dm_writecache *wc)  in process_flush_on_suspend_mesg()
1129 static void activate_cleaner(struct dm_writecache *wc)  in activate_cleaner()
1137 static int process_cleaner_mesg(unsigned argc, char **argv, struct dm_writecache *wc)  in process_cleaner_mesg()
1155 	struct dm_writecache *wc = ti->private;  in writecache_message()
1205 static void bio_copy_block(struct dm_writecache *wc, struct bio *bio, void *data)  in bio_copy_block()
1243 	struct dm_writecache *wc = data;  in writecache_flush_thread()
1281 static void writecache_offload_bio(struct dm_writecache *wc, struct bio *bio)  in writecache_offload_bio()
1291 	struct dm_writecache *wc = ti->private;  in writecache_map()
1495 	struct dm_writecache *wc = ti->private;  in writecache_end_io()
1509 	struct dm_writecache *wc = ti->private;  in writecache_iterate_devices()
1516 	struct dm_writecache *wc = ti->private;  in writecache_io_hints()
1532 	struct dm_writecache *wc = wb->wc;  in writecache_writeback_endio()
1545 	struct dm_writecache *wc = c->wc;  in writecache_copy_endio()
1556 static void __writecache_endio_pmem(struct dm_writecache *wc, struct list_head *list)  in __writecache_endio_pmem()
1595 static void __writecache_endio_ssd(struct dm_writecache *wc, struct list_head *list)  in __writecache_endio_ssd()
1625 	struct dm_writecache *wc = data;  in writecache_endio_thread()
1673 	struct dm_writecache *wc = wb->wc;  in wc_add_block()
1691 static void __writeback_throttle(struct dm_writecache *wc, struct writeback_list *wbl)  in __writeback_throttle()
1704 static void __writecache_writeback_pmem(struct dm_writecache *wc, struct writeback_list *wbl)  in __writecache_writeback_pmem()
1764 static void __writecache_writeback_ssd(struct dm_writecache *wc, struct writeback_list *wbl)  in __writecache_writeback_ssd()
1815 	struct dm_writecache *wc = container_of(work, struct dm_writecache, writeback_work);  in writecache_writeback()
1999 static int init_memory(struct dm_writecache *wc)  in init_memory()
2035 	struct dm_writecache *wc = ti->private;  in writecache_dtr()
2083 	struct dm_writecache *wc;  in writecache_ctr()
2102 	wc = kzalloc(sizeof(struct dm_writecache), GFP_KERNEL);  in writecache_ctr()
2514 	struct dm_writecache *wc = ti->private;  in writecache_status()