113 static inline int raid6_d0(struct stripe_head *sh)  in raid6_d0()
135 static int raid6_idx_to_slot(int idx, struct stripe_head *sh,  in raid6_idx_to_slot()
153 static int stripe_operations_active(struct stripe_head *sh)  in stripe_operations_active()
160 static bool stripe_is_lowprio(struct stripe_head *sh)  in stripe_is_lowprio()
167 static void raid5_wakeup_stripe_thread(struct stripe_head *sh)  in raid5_wakeup_stripe_thread()
213 static void do_release_stripe(struct r5conf *conf, struct stripe_head *sh,  in do_release_stripe()
298 static void __release_stripe(struct r5conf *conf, struct stripe_head *sh,  in __release_stripe()
358 	struct stripe_head *sh, *t;  in release_stripe_list()
383 void raid5_release_stripe(struct stripe_head *sh)  in raid5_release_stripe()
414 static inline void remove_hash(struct stripe_head *sh)  in remove_hash()
422 static inline void insert_hash(struct r5conf *conf, struct stripe_head *sh)  in insert_hash()
433 static struct stripe_head *get_free_stripe(struct r5conf *conf, int hash)  in get_free_stripe()
435 	struct stripe_head *sh = NULL;  in get_free_stripe()
441 	sh = list_entry(first, struct stripe_head, lru);  in get_free_stripe()
453 static void free_stripe_pages(struct stripe_head *sh)  in free_stripe_pages()
470 static int alloc_stripe_pages(struct stripe_head *sh, gfp_t gfp)  in alloc_stripe_pages()
491 init_stripe_shared_pages(struct stripe_head *sh, struct r5conf *conf, int disks)  in init_stripe_shared_pages()
511 static void shrink_buffers(struct stripe_head *sh)  in shrink_buffers()
534 static int grow_buffers(struct stripe_head *sh, gfp_t gfp)  in grow_buffers()
564 			    struct stripe_head *sh);
566 static void init_stripe(struct stripe_head *sh, sector_t sector, int previous)  in init_stripe()
608 static struct stripe_head *__find_stripe(struct r5conf *conf, sector_t sector,  in __find_stripe()
611 	struct stripe_head *sh;  in __find_stripe()
703 struct stripe_head *
707 	struct stripe_head *sh;  in raid5_get_active_stripe()
777 static bool is_full_stripe_write(struct stripe_head *sh)  in is_full_stripe_write()
783 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()
796 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()
805 static bool stripe_can_batch(struct stripe_head *sh)  in stripe_can_batch()
817 static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh)  in stripe_add_to_batch_list()
819 	struct stripe_head *head;  in stripe_add_to_batch_list()
931 static int use_new_offset(struct r5conf *conf, struct stripe_head *sh)  in use_new_offset()
1057 static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)  in ops_run_io()
1061 	struct stripe_head *head_sh = sh;  in ops_run_io()
1295 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_io()
1308 	struct stripe_head *sh, int no_skipcopy)  in async_copy_data()
1372 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_biofill()
1408 static void ops_run_biofill(struct stripe_head *sh)  in ops_run_biofill()
1442 static void mark_target_uptodate(struct stripe_head *sh, int target)  in mark_target_uptodate()
1457 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_compute()
1480 static addr_conv_t *to_addr_conv(struct stripe_head *sh,  in to_addr_conv()
1490 to_addr_offs(struct stripe_head *sh, struct raid5_percpu *percpu)  in to_addr_offs()
1496 ops_run_compute5(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute5()
1549 				struct stripe_head *sh,  in set_syndrome_sources()
1593 ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_1()
1657 ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_2()
1778 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_prexor()
1792 ops_run_prexor5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor5()
1834 ops_run_prexor6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor6()
1856 ops_run_biodrain(struct stripe_head *sh, struct dma_async_tx_descriptor *tx)  in ops_run_biodrain()
1861 	struct stripe_head *head_sh = sh;  in ops_run_biodrain()
1915 						      struct stripe_head,  in ops_run_biodrain()
1929 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_reconstruct()
1975 ops_run_reconstruct5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct5()
1988 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct5()
2044 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct5()
2066 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct5()
2073 ops_run_reconstruct6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct6()
2080 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct6()
2116 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct6()
2129 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct6()
2137 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_check()
2147 static void ops_run_check_p(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_check_p()
2188 static void ops_run_check_pq(struct stripe_head *sh, struct raid5_percpu *percpu, int checkp)  in ops_run_check_pq()
2211 static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request)  in raid_run_ops()
2283 static void free_stripe(struct kmem_cache *sc, struct stripe_head *sh)  in free_stripe()
2293 static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp,  in alloc_stripe()
2296 	struct stripe_head *sh;  in alloc_stripe()
2335 	struct stripe_head *sh;  in grow_one_stripe()
2372 			       sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev),  in grow_stripes()
2486 	struct stripe_head *osh, *nsh;  in resize_stripes()
2498 			       sizeof(struct stripe_head)+(newsize-1)*sizeof(struct r5dev),  in resize_stripes()
2516 			nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2594 		nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2637 	struct stripe_head *sh;  in drop_one_stripe()
2665 	struct stripe_head *sh = bi->bi_private;  in raid5_end_read_request()
2796 	struct stripe_head *sh = bi->bi_private;  in raid5_end_write_request()
2914 			      struct stripe_head *sh)  in raid5_compute_sector()
3114 sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous)  in raid5_compute_blocknr()
3129 	struct stripe_head sh2;  in raid5_compute_blocknr()
3291 schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s,  in schedule_reconstruction()
3404 static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,  in add_stripe_bio()
3532 			    struct stripe_head *sh)  in stripe_set_idx()
3548 handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_stripe()
3661 handle_failed_sync(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_sync()
3709 static int want_replace(struct stripe_head *sh, int disk_idx)  in want_replace()
3726 static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,  in need_this_block()
3833 static int fetch_block(struct stripe_head *sh, struct stripe_head_state *s,  in fetch_block()
3919 static void handle_stripe_fill(struct stripe_head *sh,  in handle_stripe_fill()
3953 static void break_stripe_batch_list(struct stripe_head *head_sh,
3961 	struct stripe_head *sh, int disks)  in handle_stripe_clean_event()
3966 	struct stripe_head *head_sh = sh;  in handle_stripe_clean_event()
4003 							      struct stripe_head,  in handle_stripe_clean_event()
4041 					      struct stripe_head, batch_list);  in handle_stripe_clean_event()
4076 				  struct stripe_head *sh,  in handle_stripe_dirtying()
4239 static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks5()
4332 static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks6()
4509 static void handle_stripe_expansion(struct r5conf *conf, struct stripe_head *sh)  in handle_stripe_expansion()
4522 			struct stripe_head *sh2;  in handle_stripe_expansion()
4581 static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)  in analyse_stripe()
4780 static int clear_batch_ready(struct stripe_head *sh)  in clear_batch_ready()
4782 	struct stripe_head *tmp;  in clear_batch_ready()
4812 static void break_stripe_batch_list(struct stripe_head *head_sh,  in break_stripe_batch_list()
4815 	struct stripe_head *sh, *next;  in break_stripe_batch_list()
4875 static void handle_stripe(struct stripe_head *sh)  in handle_stripe()
5164 		struct stripe_head *sh_src  in handle_stripe()
5275 			struct stripe_head *sh;  in raid5_activate_delayed()
5276 			sh = list_entry(l, struct stripe_head, lru);  in raid5_activate_delayed()
5295 		struct stripe_head *sh = list_entry(head.next, struct stripe_head, lru);  in activate_bit_delay()
5512 static struct stripe_head *__get_priority_stripe(struct r5conf *conf, int group)  in __get_priority_stripe()
5514 	struct stripe_head *sh, *tmp;  in __get_priority_stripe()
5614 	struct stripe_head *sh;  in raid5_unplug()
5623 			sh = list_first_entry(&cb->list, struct stripe_head, lru);  in raid5_unplug()
5650 				struct stripe_head *sh)  in release_stripe_plug()
5681 	struct stripe_head *sh;  in make_discard_request()
5770 	struct stripe_head *sh;  in raid5_make_request()
5951 	struct stripe_head *sh;  in reshape_request()
6161 		sh = list_entry(stripes.next, struct stripe_head, lru);  in reshape_request()
6212 	struct stripe_head *sh;  in raid5_sync_request()
6315 	struct stripe_head *sh;  in retry_aligned_read()
6371 	struct stripe_head *batch[MAX_STRIPE_BATCH], *sh;  in handle_active_stripes()
7371 	memory = conf->min_nr_stripes * (sizeof(struct stripe_head) +  in setup_conf()