70 static inline struct hlist_head *stripe_hash(struct r5conf *conf, sector_t sect)  in stripe_hash()
81 static inline void lock_device_hash_lock(struct r5conf *conf, int hash)  in lock_device_hash_lock()
87 static inline void unlock_device_hash_lock(struct r5conf *conf, int hash)  in unlock_device_hash_lock()
93 static inline void lock_all_device_hash_locks_irq(struct r5conf *conf)  in lock_all_device_hash_locks_irq()
102 static inline void unlock_all_device_hash_locks_irq(struct r5conf *conf)  in unlock_all_device_hash_locks_irq()
150 static void print_raid5_conf (struct r5conf *conf);
168 	struct r5conf *conf = sh->raid_conf;  in raid5_wakeup_stripe_thread()
212 static void do_release_stripe(struct r5conf *conf, struct stripe_head *sh,  in do_release_stripe()
297 static void __release_stripe(struct r5conf *conf, struct stripe_head *sh,  in __release_stripe()
311 static void release_inactive_stripe_list(struct r5conf *conf,  in release_inactive_stripe_list()
354 static int release_stripe_list(struct r5conf *conf,  in release_stripe_list()
384 	struct r5conf *conf = sh->raid_conf;  in raid5_release_stripe()
421 static inline void insert_hash(struct r5conf *conf, struct stripe_head *sh)  in insert_hash()
432 static struct stripe_head *get_free_stripe(struct r5conf *conf, int hash)  in get_free_stripe()
485 static void stripe_set_idx(sector_t stripe, struct r5conf *conf, int previous,
490 	struct r5conf *conf = sh->raid_conf;  in init_stripe()
530 static struct stripe_head *__find_stripe(struct r5conf *conf, sector_t sector,  in __find_stripe()
556 int raid5_calc_degraded(struct r5conf *conf)  in raid5_calc_degraded()
612 static int has_failed(struct r5conf *conf)  in has_failed()
626 raid5_get_active_stripe(struct r5conf *conf, sector_t sector,  in raid5_get_active_stripe()
729 	struct r5conf *conf = sh->raid_conf;  in stripe_can_batch()
739 static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh)  in stripe_add_to_batch_list()
853 static int use_new_offset(struct r5conf *conf, struct stripe_head *sh)  in use_new_offset()
892 static void dispatch_defer_bios(struct r5conf *conf, int target,  in dispatch_defer_bios()
937 static void flush_deferred_bios(struct r5conf *conf)  in flush_deferred_bios()
952 static void defer_issue_bios(struct r5conf *conf, sector_t sector,  in defer_issue_bios()
981 	struct r5conf *conf = sh->raid_conf;  in ops_run_io()
1722 	struct r5conf *conf = sh->raid_conf;  in ops_run_biodrain()
2056 	struct r5conf *conf = sh->raid_conf;  in raid_run_ops()
2132 	int disks, struct r5conf *conf)  in alloc_stripe()
2165 static int grow_one_stripe(struct r5conf *conf, gfp_t gfp)  in grow_one_stripe()
2188 static int grow_stripes(struct r5conf *conf, int num)  in grow_stripes()
2249 static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)  in resize_chunks()
2285 static int resize_stripes(struct r5conf *conf, int newsize)  in resize_stripes()
2433 static int drop_one_stripe(struct r5conf *conf)  in drop_one_stripe()
2451 static void shrink_stripes(struct r5conf *conf)  in shrink_stripes()
2464 	struct r5conf *conf = sh->raid_conf;  in raid5_end_read_request()
2595 	struct r5conf *conf = sh->raid_conf;  in raid5_end_write_request()
2674 	struct r5conf *conf = mddev->private;  in raid5_error()
2713 sector_t raid5_compute_sector(struct r5conf *conf, sector_t r_sector,  in raid5_compute_sector()
2917 	struct r5conf *conf = sh->raid_conf;  in raid5_compute_blocknr()
3073 static inline bool delay_towrite(struct r5conf *conf,  in delay_towrite()
3096 	struct r5conf *conf = sh->raid_conf;  in schedule_reconstruction()
3209 	struct r5conf *conf = sh->raid_conf;  in add_stripe_bio()
3330 static void end_reshape(struct r5conf *conf);
3332 static void stripe_set_idx(sector_t stripe, struct r5conf *conf, int previous,  in stripe_set_idx()
3349 handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_stripe()
3462 handle_failed_sync(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_sync()
3750 static void handle_stripe_clean_event(struct r5conf *conf,  in handle_stripe_clean_event()
3865 static int handle_stripe_dirtying(struct r5conf *conf,  in handle_stripe_dirtying()
4033 static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks5()
4126 static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks6()
4303 static void handle_stripe_expansion(struct r5conf *conf, struct stripe_head *sh)  in handle_stripe_expansion()
4376 	struct r5conf *conf = sh->raid_conf;  in analyse_stripe()
4671 	struct r5conf *conf = sh->raid_conf;  in handle_stripe()
5061 static void raid5_activate_delayed(struct r5conf *conf)  in raid5_activate_delayed()
5078 static void activate_bit_delay(struct r5conf *conf,  in activate_bit_delay()
5097 	struct r5conf *conf = mddev->private;  in raid5_congested()
5119 	struct r5conf *conf = mddev->private;  in in_chunk_boundary()
5135 static void add_bio_to_retry(struct bio *bi,struct r5conf *conf)  in add_bio_to_retry()
5148 static struct bio *remove_bio_from_retry(struct r5conf *conf,  in remove_bio_from_retry()
5179 	struct r5conf *conf;  in raid5_align_endio()
5206 	struct r5conf *conf = mddev->private;  in raid5_read_one_chunk()
5302 		struct r5conf *conf = mddev->private;  in chunk_aligned_read()
5325 static struct stripe_head *__get_priority_stripe(struct r5conf *conf, int group)  in __get_priority_stripe()
5429 	struct r5conf *conf = mddev->private;  in raid5_unplug()
5492 	struct r5conf *conf = mddev->private;  in make_discard_request()
5579 	struct r5conf *conf = mddev->private;  in raid5_make_request()
5764 	struct r5conf *conf = mddev->private;  in reshape_request()
6025 	struct r5conf *conf = mddev->private;  in raid5_sync_request()
6115 static int  retry_aligned_read(struct r5conf *conf, struct bio *raid_bio,  in retry_aligned_read()
6178 static int handle_active_stripes(struct r5conf *conf, int group,  in handle_active_stripes()
6233 	struct r5conf *conf = group->conf;  in raid5_do_work()
6283 	struct r5conf *conf = mddev->private;  in raid5d()
6363 	struct r5conf *conf;  in raid5_show_stripe_cache_size()
6377 	struct r5conf *conf = mddev->private;  in raid5_set_cache_size()
6407 	struct r5conf *conf;  in raid5_store_stripe_cache_size()
6436 	struct r5conf *conf = mddev->private;  in raid5_show_rmw_level()
6446 	struct r5conf *conf = mddev->private;  in raid5_store_rmw_level()
6479 	struct r5conf *conf;  in raid5_show_preread_threshold()
6492 	struct r5conf *conf;  in raid5_store_preread_threshold()
6524 	struct r5conf *conf;  in raid5_show_skip_copy()
6537 	struct r5conf *conf;  in raid5_store_skip_copy()
6576 	struct r5conf *conf = mddev->private;  in stripe_cache_active_show()
6589 	struct r5conf *conf;  in raid5_show_group_thread_cnt()
6599 static int alloc_thread_groups(struct r5conf *conf, int cnt,
6606 	struct r5conf *conf;  in raid5_store_group_thread_cnt()
6675 static int alloc_thread_groups(struct r5conf *conf, int cnt,  in alloc_thread_groups()
6723 static void free_thread_groups(struct r5conf *conf)  in free_thread_groups()
6734 	struct r5conf *conf = mddev->private;  in raid5_size()
6747 static void free_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu)  in free_scratch_buffer()
6755 static int alloc_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu)  in alloc_scratch_buffer()
6779 	struct r5conf *conf = hlist_entry_safe(node, struct r5conf, node);  in raid456_cpu_dead()
6785 static void raid5_free_percpu(struct r5conf *conf)  in raid5_free_percpu()
6794 static void free_conf(struct r5conf *conf)  in free_conf()
6816 	struct r5conf *conf = hlist_entry_safe(node, struct r5conf, node);  in raid456_cpu_up_prepare()
6827 static int raid5_alloc_percpu(struct r5conf *conf)  in raid5_alloc_percpu()
6848 	struct r5conf *conf = container_of(shrink, struct r5conf, shrinker);  in raid5_cache_scan()
6869 	struct r5conf *conf = container_of(shrink, struct r5conf, shrinker);  in raid5_cache_count()
6877 static struct r5conf *setup_conf(struct mddev *mddev)  in setup_conf()
6879 	struct r5conf *conf;  in setup_conf()
6918 	conf = kzalloc(sizeof(struct r5conf), GFP_KERNEL);  in setup_conf()
7151 	struct r5conf *conf;  in raid5_run()
7505 	struct r5conf *conf = priv;  in raid5_free()
7513 	struct r5conf *conf = mddev->private;  in raid5_status()
7528 static void print_raid5_conf (struct r5conf *conf)  in print_raid5_conf()
7555 	struct r5conf *conf = mddev->private;  in raid5_spare_active()
7597 	struct r5conf *conf = mddev->private;  in raid5_remove_disk()
7682 	struct r5conf *conf = mddev->private;  in raid5_add_disk()
7769 	struct r5conf *conf = mddev->private;  in raid5_resize()
7804 	struct r5conf *conf = mddev->private;  in check_stripe_cache()
7820 	struct r5conf *conf = mddev->private;  in check_reshape()
7864 	struct r5conf *conf = mddev->private;  in raid5_start_reshape()
8003 static void end_reshape(struct r5conf *conf)  in end_reshape()
8041 	struct r5conf *conf = mddev->private;  in raid5_finish_reshape()
8071 	struct r5conf *conf = mddev->private;  in raid5_quiesce()
8199 	struct r5conf *conf = mddev->private;  in raid5_check_reshape()
8342 	struct r5conf *conf;  in raid5_change_consistency_policy()
8404 	struct r5conf *conf = mddev->private;  in raid5_start()