119 static inline int raid6_d0(struct stripe_head *sh)  in raid6_d0()
141 static int raid6_idx_to_slot(int idx, struct stripe_head *sh,  in raid6_idx_to_slot()
159 static int stripe_operations_active(struct stripe_head *sh)  in stripe_operations_active()
166 static bool stripe_is_lowprio(struct stripe_head *sh)  in stripe_is_lowprio()
173 static void raid5_wakeup_stripe_thread(struct stripe_head *sh)  in raid5_wakeup_stripe_thread()
220 static void do_release_stripe(struct r5conf *conf, struct stripe_head *sh,  in do_release_stripe()
306 static void __release_stripe(struct r5conf *conf, struct stripe_head *sh,  in __release_stripe()
367 	struct stripe_head *sh, *t;  in release_stripe_list()
392 void raid5_release_stripe(struct stripe_head *sh)  in raid5_release_stripe()
423 static inline void remove_hash(struct stripe_head *sh)  in remove_hash()
431 static inline void insert_hash(struct r5conf *conf, struct stripe_head *sh)  in insert_hash()
442 static struct stripe_head *get_free_stripe(struct r5conf *conf, int hash)  in get_free_stripe()
444 	struct stripe_head *sh = NULL;  in get_free_stripe()
450 	sh = list_entry(first, struct stripe_head, lru);  in get_free_stripe()
462 static void free_stripe_pages(struct stripe_head *sh)  in free_stripe_pages()
479 static int alloc_stripe_pages(struct stripe_head *sh, gfp_t gfp)  in alloc_stripe_pages()
500 init_stripe_shared_pages(struct stripe_head *sh, struct r5conf *conf, int disks)  in init_stripe_shared_pages()
520 static void shrink_buffers(struct stripe_head *sh)  in shrink_buffers()
543 static int grow_buffers(struct stripe_head *sh, gfp_t gfp)  in grow_buffers()
573 			    struct stripe_head *sh);
575 static void init_stripe(struct stripe_head *sh, sector_t sector, int previous)  in init_stripe()
617 static struct stripe_head *__find_stripe(struct r5conf *conf, sector_t sector,  in __find_stripe()
620 	struct stripe_head *sh;  in __find_stripe()
630 static struct stripe_head *find_get_stripe(struct r5conf *conf,  in find_get_stripe()
634 	struct stripe_head *sh;  in find_get_stripe()
768 	struct stripe_head *batch_last;
803 struct stripe_head *raid5_get_active_stripe(struct r5conf *conf,  in raid5_get_active_stripe()
807 	struct stripe_head *sh;  in raid5_get_active_stripe()
867 static bool is_full_stripe_write(struct stripe_head *sh)  in is_full_stripe_write()
873 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()
886 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()
895 static bool stripe_can_batch(struct stripe_head *sh)  in stripe_can_batch()
908 		struct stripe_head *sh, struct stripe_head *last_sh)  in stripe_add_to_batch_list()
910 	struct stripe_head *head;  in stripe_add_to_batch_list()
1005 static int use_new_offset(struct r5conf *conf, struct stripe_head *sh)  in use_new_offset()
1132 static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)  in ops_run_io()
1136 	struct stripe_head *head_sh = sh;  in ops_run_io()
1366 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_io()
1379 	struct stripe_head *sh, int no_skipcopy)  in async_copy_data()
1443 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_biofill()
1479 static void ops_run_biofill(struct stripe_head *sh)  in ops_run_biofill()
1513 static void mark_target_uptodate(struct stripe_head *sh, int target)  in mark_target_uptodate()
1528 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_compute()
1551 static addr_conv_t *to_addr_conv(struct stripe_head *sh,  in to_addr_conv()
1561 to_addr_offs(struct stripe_head *sh, struct raid5_percpu *percpu)  in to_addr_offs()
1567 ops_run_compute5(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute5()
1620 				struct stripe_head *sh,  in set_syndrome_sources()
1664 ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_1()
1728 ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_2()
1849 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_prexor()
1863 ops_run_prexor5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor5()
1905 ops_run_prexor6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor6()
1927 ops_run_biodrain(struct stripe_head *sh, struct dma_async_tx_descriptor *tx)  in ops_run_biodrain()
1932 	struct stripe_head *head_sh = sh;  in ops_run_biodrain()
1986 						      struct stripe_head,  in ops_run_biodrain()
2000 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_reconstruct()
2046 ops_run_reconstruct5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct5()
2059 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct5()
2115 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct5()
2137 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct5()
2144 ops_run_reconstruct6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct6()
2151 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct6()
2187 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct6()
2200 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct6()
2208 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_check()
2218 static void ops_run_check_p(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_check_p()
2259 static void ops_run_check_pq(struct stripe_head *sh, struct raid5_percpu *percpu, int checkp)  in ops_run_check_pq()
2282 static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request)  in raid_run_ops()
2354 static void free_stripe(struct kmem_cache *sc, struct stripe_head *sh)  in free_stripe()
2364 static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp,  in alloc_stripe()
2367 	struct stripe_head *sh;  in alloc_stripe()
2399 	struct stripe_head *sh;  in grow_one_stripe()
2436 			       sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev),  in grow_stripes()
2550 	struct stripe_head *osh, *nsh;  in resize_stripes()
2562 			       sizeof(struct stripe_head)+(newsize-1)*sizeof(struct r5dev),  in resize_stripes()
2580 			nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2658 		nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2701 	struct stripe_head *sh;  in drop_one_stripe()
2751 	struct stripe_head *sh = bi->bi_private;  in raid5_end_read_request()
2879 	struct stripe_head *sh = bi->bi_private;  in raid5_end_write_request()
2995 			      struct stripe_head *sh)  in raid5_compute_sector()
3195 sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous)  in raid5_compute_blocknr()
3210 	struct stripe_head sh2;  in raid5_compute_blocknr()
3372 schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s,  in schedule_reconstruction()
3480 static bool stripe_bio_overlaps(struct stripe_head *sh, struct bio *bi,  in stripe_bio_overlaps()
3540 static void __add_stripe_bio(struct stripe_head *sh, struct bio *bi,  in __add_stripe_bio()
3618 static bool add_stripe_bio(struct stripe_head *sh, struct bio *bi,  in add_stripe_bio()
3637 			    struct stripe_head *sh)  in stripe_set_idx()
3653 handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_stripe()
3766 handle_failed_sync(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_sync()
3814 static int want_replace(struct stripe_head *sh, int disk_idx)  in want_replace()
3831 static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,  in need_this_block()
3938 static int fetch_block(struct stripe_head *sh, struct stripe_head_state *s,  in fetch_block()
4024 static void handle_stripe_fill(struct stripe_head *sh,  in handle_stripe_fill()
4058 static void break_stripe_batch_list(struct stripe_head *head_sh,
4066 	struct stripe_head *sh, int disks)  in handle_stripe_clean_event()
4071 	struct stripe_head *head_sh = sh;  in handle_stripe_clean_event()
4108 							      struct stripe_head,  in handle_stripe_clean_event()
4146 					      struct stripe_head, batch_list);  in handle_stripe_clean_event()
4181 				  struct stripe_head *sh,  in handle_stripe_dirtying()
4344 static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks5()
4437 static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks6()
4614 static void handle_stripe_expansion(struct r5conf *conf, struct stripe_head *sh)  in handle_stripe_expansion()
4627 			struct stripe_head *sh2;  in handle_stripe_expansion()
4687 static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)  in analyse_stripe()
4886 static int clear_batch_ready(struct stripe_head *sh)  in clear_batch_ready()
4888 	struct stripe_head *tmp;  in clear_batch_ready()
4918 static void break_stripe_batch_list(struct stripe_head *head_sh,  in break_stripe_batch_list()
4921 	struct stripe_head *sh, *next;  in break_stripe_batch_list()
4981 static void handle_stripe(struct stripe_head *sh)  in handle_stripe()
5270 		struct stripe_head *sh_src  in handle_stripe()
5384 			struct stripe_head *sh;  in raid5_activate_delayed()
5385 			sh = list_entry(l, struct stripe_head, lru);  in raid5_activate_delayed()
5404 		struct stripe_head *sh = list_entry(head.next, struct stripe_head, lru);  in activate_bit_delay()
5622 static struct stripe_head *__get_priority_stripe(struct r5conf *conf, int group)  in __get_priority_stripe()
5625 	struct stripe_head *sh, *tmp;  in __get_priority_stripe()
5725 	struct stripe_head *sh;  in raid5_unplug()
5734 			sh = list_first_entry(&cb->list, struct stripe_head, lru);  in raid5_unplug()
5761 				struct stripe_head *sh)  in release_stripe_plug()
5792 	struct stripe_head *sh;  in make_discard_request()
5894 				    struct stripe_head *sh)  in stripe_ahead_of_reshape()
5921 		struct stripe_request_ctx *ctx, struct stripe_head *sh,  in add_all_stripe_bios()
5975 	struct stripe_head *sh;  in make_stripe_request()
6213 	struct stripe_head *sh;  in reshape_request()
6425 		sh = list_entry(stripes.next, struct stripe_head, lru);  in reshape_request()
6476 	struct stripe_head *sh;  in raid5_sync_request()
6580 	struct stripe_head *sh;  in retry_aligned_read()
6635 	struct stripe_head *batch[MAX_STRIPE_BATCH], *sh;  in handle_active_stripes()
7640 	memory = conf->min_nr_stripes * (sizeof(struct stripe_head) +  in setup_conf()