188 static inline int raid6_d0(struct stripe_head *sh)  in raid6_d0()
210 static int raid6_idx_to_slot(int idx, struct stripe_head *sh,  in raid6_idx_to_slot()
243 static int stripe_operations_active(struct stripe_head *sh)  in stripe_operations_active()
250 static void raid5_wakeup_stripe_thread(struct stripe_head *sh)  in raid5_wakeup_stripe_thread()
293 static void do_release_stripe(struct r5conf *conf, struct stripe_head *sh,  in do_release_stripe()
328 static void __release_stripe(struct r5conf *conf, struct stripe_head *sh,  in __release_stripe()
386 	struct stripe_head *sh;  in release_stripe_list()
395 		sh = llist_entry(head, struct stripe_head, release_list);  in release_stripe_list()
413 static void release_stripe(struct stripe_head *sh)  in release_stripe()
446 static inline void remove_hash(struct stripe_head *sh)  in remove_hash()
454 static inline void insert_hash(struct r5conf *conf, struct stripe_head *sh)  in insert_hash()
465 static struct stripe_head *get_free_stripe(struct r5conf *conf, int hash)  in get_free_stripe()
467 	struct stripe_head *sh = NULL;  in get_free_stripe()
473 	sh = list_entry(first, struct stripe_head, lru);  in get_free_stripe()
484 static void shrink_buffers(struct stripe_head *sh)  in shrink_buffers()
500 static int grow_buffers(struct stripe_head *sh, gfp_t gfp)  in grow_buffers()
517 static void raid5_build_block(struct stripe_head *sh, int i, int previous);
519 			    struct stripe_head *sh);
521 static void init_stripe(struct stripe_head *sh, sector_t sector, int previous)  in init_stripe()
563 static struct stripe_head *__find_stripe(struct r5conf *conf, sector_t sector,  in __find_stripe()
566 	struct stripe_head *sh;  in __find_stripe()
658 static struct stripe_head *
662 	struct stripe_head *sh;  in get_active_stripe()
723 static bool is_full_stripe_write(struct stripe_head *sh)  in is_full_stripe_write()
729 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()
741 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()
749 static bool stripe_can_batch(struct stripe_head *sh)  in stripe_can_batch()
757 static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh)  in stripe_add_to_batch_list()
759 	struct stripe_head *head;  in stripe_add_to_batch_list()
860 static int use_new_offset(struct r5conf *conf, struct stripe_head *sh)  in use_new_offset()
883 static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)  in ops_run_io()
887 	struct stripe_head *head_sh = sh;  in ops_run_io()
1096 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_io()
1106 	struct stripe_head *sh)  in async_copy_data()
1168 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_biofill()
1209 static void ops_run_biofill(struct stripe_head *sh)  in ops_run_biofill()
1241 static void mark_target_uptodate(struct stripe_head *sh, int target)  in mark_target_uptodate()
1256 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_compute()
1273 static addr_conv_t *to_addr_conv(struct stripe_head *sh,  in to_addr_conv()
1292 ops_run_compute5(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute5()
1336 				struct stripe_head *sh,  in set_syndrome_sources()
1368 ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_1()
1426 ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_compute6_2()
1535 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_prexor()
1542 ops_run_prexor5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor5()
1572 ops_run_prexor6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_prexor6()
1592 ops_run_biodrain(struct stripe_head *sh, struct dma_async_tx_descriptor *tx)  in ops_run_biodrain()
1596 	struct stripe_head *head_sh = sh;  in ops_run_biodrain()
1642 						      struct stripe_head,  in ops_run_biodrain()
1656 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_reconstruct()
1699 ops_run_reconstruct5(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct5()
1710 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct5()
1758 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct5()
1778 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct5()
1785 ops_run_reconstruct6(struct stripe_head *sh, struct raid5_percpu *percpu,  in ops_run_reconstruct6()
1791 	struct stripe_head *head_sh = sh;  in ops_run_reconstruct6()
1826 				 struct stripe_head, batch_list) == head_sh;  in ops_run_reconstruct6()
1838 		sh = list_first_entry(&sh->batch_list, struct stripe_head,  in ops_run_reconstruct6()
1846 	struct stripe_head *sh = stripe_head_ref;  in ops_complete_check()
1856 static void ops_run_check_p(struct stripe_head *sh, struct raid5_percpu *percpu)  in ops_run_check_p()
1891 static void ops_run_check_pq(struct stripe_head *sh, struct raid5_percpu *percpu, int checkp)  in ops_run_check_pq()
1912 static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request)  in raid_run_ops()
1981 static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp)  in alloc_stripe()
1983 	struct stripe_head *sh;  in alloc_stripe()
1997 	struct stripe_head *sh;  in grow_one_stripe()
2035 			       sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev),  in grow_stripes()
2144 	struct stripe_head *osh, *nsh;  in resize_stripes()
2161 			       sizeof(struct stripe_head)+(newsize-1)*sizeof(struct r5dev),  in resize_stripes()
2180 			nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2235 		nsh = list_entry(newstripes.next, struct stripe_head, lru);  in resize_stripes()
2259 	struct stripe_head *sh;  in drop_one_stripe()
2288 	struct stripe_head *sh = bi->bi_private;  in raid5_end_read_request()
2411 	struct stripe_head *sh = bi->bi_private;  in raid5_end_write_request()
2487 static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous);
2489 static void raid5_build_block(struct stripe_head *sh, int i, int previous)  in raid5_build_block()
2538 				     struct stripe_head *sh)  in raid5_compute_sector()
2738 static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous)  in compute_blocknr()
2753 	struct stripe_head sh2;  in compute_blocknr()
2859 schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s,  in schedule_reconstruction()
2953 static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,  in add_stripe_bio()
3057 			    struct stripe_head *sh)  in stripe_set_idx()
3073 handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_stripe()
3188 handle_failed_sync(struct r5conf *conf, struct stripe_head *sh,  in handle_failed_sync()
3234 static int want_replace(struct stripe_head *sh, int disk_idx)  in want_replace()
3257 static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,  in need_this_block()
3347 static int fetch_block(struct stripe_head *sh, struct stripe_head_state *s,  in fetch_block()
3422 static void handle_stripe_fill(struct stripe_head *sh,  in handle_stripe_fill()
3440 static void break_stripe_batch_list(struct stripe_head *head_sh,
3448 	struct stripe_head *sh, int disks, struct bio **return_bi)  in handle_stripe_clean_event()
3453 	struct stripe_head *head_sh = sh;  in handle_stripe_clean_event()
3493 							      struct stripe_head,  in handle_stripe_clean_event()
3530 					      struct stripe_head, batch_list);  in handle_stripe_clean_event()
3550 				   struct stripe_head *sh,  in handle_stripe_dirtying()
3681 static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks5()
3769 static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,  in handle_parity_checks6()
3933 static void handle_stripe_expansion(struct r5conf *conf, struct stripe_head *sh)  in handle_stripe_expansion()
3946 			struct stripe_head *sh2;  in handle_stripe_expansion()
4004 static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)  in analyse_stripe()
4185 static int clear_batch_ready(struct stripe_head *sh)  in clear_batch_ready()
4191 	struct stripe_head *tmp;  in clear_batch_ready()
4221 static void break_stripe_batch_list(struct stripe_head *head_sh,  in break_stripe_batch_list()
4224 	struct stripe_head *sh, *next;  in break_stripe_batch_list()
4282 static void handle_stripe(struct stripe_head *sh)  in handle_stripe()
4513 		struct stripe_head *sh_src  in handle_stripe()
4626 			struct stripe_head *sh;  in raid5_activate_delayed()
4627 			sh = list_entry(l, struct stripe_head, lru);  in raid5_activate_delayed()
4646 		struct stripe_head *sh = list_entry(head.next, struct stripe_head, lru);  in activate_bit_delay()
4906 static struct stripe_head *__get_priority_stripe(struct r5conf *conf, int group)  in __get_priority_stripe()
4908 	struct stripe_head *sh = NULL, *tmp;  in __get_priority_stripe()
4993 	struct stripe_head *sh;  in raid5_unplug()
5002 			sh = list_first_entry(&cb->list, struct stripe_head, lru);  in raid5_unplug()
5029 				struct stripe_head *sh)  in release_stripe_plug()
5060 	struct stripe_head *sh;  in make_discard_request()
5154 	struct stripe_head *sh;  in make_request()
5340 	struct stripe_head *sh;  in reshape_request()
5531 		sh = list_entry(stripes.next, struct stripe_head, lru);  in reshape_request()
5570 	struct stripe_head *sh;  in sync_request()
5671 	struct stripe_head *sh;  in retry_aligned_read()
5729 	struct stripe_head *batch[MAX_STRIPE_BATCH], *sh;  in handle_active_stripes()
6574 	memory = conf->min_nr_stripes * (sizeof(struct stripe_head) +  in setup_conf()