112 static inline int raid6_d0(struct stripe_head *sh)  in raid6_d0()
134 static int raid6_idx_to_slot(int idx, struct stripe_head *sh,  in raid6_idx_to_slot()
152 static int stripe_operations_active(struct stripe_head *sh)  in stripe_operations_active()
159 static bool stripe_is_lowprio(struct stripe_head *sh)  in stripe_is_lowprio()
166 static void raid5_wakeup_stripe_thread(struct stripe_head *sh)  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()
357 	struct stripe_head *sh, *t;  in release_stripe_list()
382 void raid5_release_stripe(struct stripe_head *sh)  in raid5_release_stripe()
413 static inline void remove_hash(struct stripe_head *sh)  in remove_hash()
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()
434 	struct stripe_head *sh = NULL;  in get_free_stripe()
440 	sh = list_entry(first, struct stripe_head, lru);  in get_free_stripe()
452 static void free_stripe_pages(struct stripe_head *sh)  in free_stripe_pages()
469 static int alloc_stripe_pages(struct stripe_head *sh, gfp_t gfp)  in alloc_stripe_pages()
490 init_stripe_shared_pages(struct stripe_head *sh, struct r5conf *conf, int disks)  in init_stripe_shared_pages()
510 static void shrink_buffers(struct stripe_head *sh)  in shrink_buffers()
533 static int grow_buffers(struct stripe_head *sh, gfp_t gfp)  in grow_buffers()
563 			    struct stripe_head *sh);
565 static void init_stripe(struct stripe_head *sh, sector_t sector, int previous)  in init_stripe()
607 static struct stripe_head *__find_stripe(struct r5conf *conf, sector_t sector,  in __find_stripe()
610 	struct stripe_head *sh;  in __find_stripe()
702 struct stripe_head *
706 	struct stripe_head *sh;  in raid5_get_active_stripe()
776 static bool is_full_stripe_write(struct stripe_head *sh)  in is_full_stripe_write()
782 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()
795 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()
804 static bool stripe_can_batch(struct stripe_head *sh)  in stripe_can_batch()
816 static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh)  in stripe_add_to_batch_list()
818 	struct stripe_head *head;  in stripe_add_to_batch_list()
930 static int use_new_offset(struct r5conf *conf, struct stripe_head *sh)  in use_new_offset()
1056 static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)  in ops_run_io()
1060 	struct stripe_head *head_sh = sh;  in ops_run_io()
1294 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_io()
1307 	struct stripe_head *sh, int no_skipcopy)  in async_copy_data()
1371 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_biofill()
1407 static void ops_run_biofill(struct stripe_head *sh)  in ops_run_biofill()
1441 static void mark_target_uptodate(struct stripe_head *sh, int target)  in mark_target_uptodate()
1456 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_compute()
1479 static addr_conv_t *to_addr_conv(struct stripe_head *sh,  in to_addr_conv()
1489 to_addr_offs(struct stripe_head *sh, struct raid5_percpu *percpu)  in to_addr_offs()
1495 ops_run_compute5(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute5()
1548 				struct stripe_head *sh,  in set_syndrome_sources()
1592 ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_1()
1656 ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_2()
1777 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_prexor()
1791 ops_run_prexor5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor5()
1833 ops_run_prexor6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor6()
1855 ops_run_biodrain(struct stripe_head *sh, struct dma_async_tx_descriptor *tx)  in ops_run_biodrain()
1860 	struct stripe_head *head_sh = sh;  in ops_run_biodrain()
1914 						      struct stripe_head,  in ops_run_biodrain()
1928 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_reconstruct()
1974 ops_run_reconstruct5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct5()
1987 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct5()
2043 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct5()
2065 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct5()
2072 ops_run_reconstruct6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct6()
2079 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct6()
2115 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct6()
2128 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct6()
2136 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_check()
2146 static void ops_run_check_p(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_check_p()
2187 static void ops_run_check_pq(struct stripe_head *sh, struct raid5_percpu *percpu, int checkp)  in ops_run_check_pq()
2210 static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request)  in raid_run_ops()
2282 static void free_stripe(struct kmem_cache *sc, struct stripe_head *sh)  in free_stripe()
2292 static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp,  in alloc_stripe()
2295 	struct stripe_head *sh;  in alloc_stripe()
2334 	struct stripe_head *sh;  in grow_one_stripe()
2371 			       sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev),  in grow_stripes()
2485 	struct stripe_head *osh, *nsh;  in resize_stripes()
2497 			       sizeof(struct stripe_head)+(newsize-1)*sizeof(struct r5dev),  in resize_stripes()
2515 			nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2593 		nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2636 	struct stripe_head *sh;  in drop_one_stripe()
2664 	struct stripe_head *sh = bi->bi_private;  in raid5_end_read_request()
2795 	struct stripe_head *sh = bi->bi_private;  in raid5_end_write_request()
2916 			      struct stripe_head *sh)  in raid5_compute_sector()
3116 sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous)  in raid5_compute_blocknr()
3131 	struct stripe_head sh2;  in raid5_compute_blocknr()
3293 schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s,  in schedule_reconstruction()
3406 static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,  in add_stripe_bio()
3534 			    struct stripe_head *sh)  in stripe_set_idx()
3550 handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_stripe()
3663 handle_failed_sync(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_sync()
3711 static int want_replace(struct stripe_head *sh, int disk_idx)  in want_replace()
3728 static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,  in need_this_block()
3835 static int fetch_block(struct stripe_head *sh, struct stripe_head_state *s,  in fetch_block()
3921 static void handle_stripe_fill(struct stripe_head *sh,  in handle_stripe_fill()
3955 static void break_stripe_batch_list(struct stripe_head *head_sh,
3963 	struct stripe_head *sh, int disks)  in handle_stripe_clean_event()
3968 	struct stripe_head *head_sh = sh;  in handle_stripe_clean_event()
4005 							      struct stripe_head,  in handle_stripe_clean_event()
4043 					      struct stripe_head, batch_list);  in handle_stripe_clean_event()
4078 				  struct stripe_head *sh,  in handle_stripe_dirtying()
4241 static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks5()
4334 static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks6()
4511 static void handle_stripe_expansion(struct r5conf *conf, struct stripe_head *sh)  in handle_stripe_expansion()
4524 			struct stripe_head *sh2;  in handle_stripe_expansion()
4583 static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)  in analyse_stripe()
4782 static int clear_batch_ready(struct stripe_head *sh)  in clear_batch_ready()
4784 	struct stripe_head *tmp;  in clear_batch_ready()
4814 static void break_stripe_batch_list(struct stripe_head *head_sh,  in break_stripe_batch_list()
4817 	struct stripe_head *sh, *next;  in break_stripe_batch_list()
4877 static void handle_stripe(struct stripe_head *sh)  in handle_stripe()
5166 		struct stripe_head *sh_src  in handle_stripe()
5277 			struct stripe_head *sh;  in raid5_activate_delayed()
5278 			sh = list_entry(l, struct stripe_head, lru);  in raid5_activate_delayed()
5297 		struct stripe_head *sh = list_entry(head.next, struct stripe_head, lru);  in activate_bit_delay()
5514 static struct stripe_head *__get_priority_stripe(struct r5conf *conf, int group)  in __get_priority_stripe()
5516 	struct stripe_head *sh, *tmp;  in __get_priority_stripe()
5616 	struct stripe_head *sh;  in raid5_unplug()
5625 			sh = list_first_entry(&cb->list, struct stripe_head, lru);  in raid5_unplug()
5652 				struct stripe_head *sh)  in release_stripe_plug()
5683 	struct stripe_head *sh;  in make_discard_request()
5772 	struct stripe_head *sh;  in raid5_make_request()
5953 	struct stripe_head *sh;  in reshape_request()
6163 		sh = list_entry(stripes.next, struct stripe_head, lru);  in reshape_request()
6214 	struct stripe_head *sh;  in raid5_sync_request()
6317 	struct stripe_head *sh;  in retry_aligned_read()
6373 	struct stripe_head *batch[MAX_STRIPE_BATCH], *sh;  in handle_active_stripes()
7362 	memory = conf->min_nr_stripes * (sizeof(struct stripe_head) +  in setup_conf()