69 struct btrfs_raid_bio {  struct
179 static int __raid56_parity_recover(struct btrfs_raid_bio *rbio);  argument
180 static noinline void finish_rmw(struct btrfs_raid_bio *rbio);
183 static void async_rmw_stripe(struct btrfs_raid_bio *rbio);
184 static void async_read_rebuild(struct btrfs_raid_bio *rbio);
185 static int fail_bio_stripe(struct btrfs_raid_bio *rbio, struct bio *bio);
186 static int fail_rbio_index(struct btrfs_raid_bio *rbio, int failed);
187 static void __free_raid_bio(struct btrfs_raid_bio *rbio);
188 static void index_rbio_pages(struct btrfs_raid_bio *rbio);
189 static int alloc_rbio_pages(struct btrfs_raid_bio *rbio);
191 static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
193 static void async_scrub_parity(struct btrfs_raid_bio *rbio);
254 static void cache_rbio_pages(struct btrfs_raid_bio *rbio)  in cache_rbio_pages()
284 static int rbio_bucket(struct btrfs_raid_bio *rbio)  in rbio_bucket()
303 static void steal_rbio(struct btrfs_raid_bio *src, struct btrfs_raid_bio *dest)  in steal_rbio()
334 static void merge_rbio(struct btrfs_raid_bio *dest,  in merge_rbio()
335 		       struct btrfs_raid_bio *victim)  in merge_rbio()
347 static void __remove_rbio_from_cache(struct btrfs_raid_bio *rbio)  in __remove_rbio_from_cache()
407 static void remove_rbio_from_cache(struct btrfs_raid_bio *rbio)  in remove_rbio_from_cache()
429 	struct btrfs_raid_bio *rbio;  in btrfs_clear_rbio_cache()
436 				  struct btrfs_raid_bio,  in btrfs_clear_rbio_cache()
467 static void cache_rbio(struct btrfs_raid_bio *rbio)  in cache_rbio()
494 		struct btrfs_raid_bio *found;  in cache_rbio()
497 				  struct btrfs_raid_bio,  in cache_rbio()
535 static int __rbio_is_full(struct btrfs_raid_bio *rbio)  in __rbio_is_full()
547 static int rbio_is_full(struct btrfs_raid_bio *rbio)  in rbio_is_full()
568 static int rbio_can_merge(struct btrfs_raid_bio *last,  in rbio_can_merge()
569 			  struct btrfs_raid_bio *cur)  in rbio_can_merge()
611 static struct page *rbio_pstripe_page(struct btrfs_raid_bio *rbio, int index)  in rbio_pstripe_page()
621 static struct page *rbio_qstripe_page(struct btrfs_raid_bio *rbio, int index)  in rbio_qstripe_page()
653 static noinline int lock_stripe_add(struct btrfs_raid_bio *rbio)  in lock_stripe_add()
657 	struct btrfs_raid_bio *cur;  in lock_stripe_add()
658 	struct btrfs_raid_bio *pending;  in lock_stripe_add()
661 	struct btrfs_raid_bio *freeit = NULL;  in lock_stripe_add()
662 	struct btrfs_raid_bio *cache_drop = NULL;  in lock_stripe_add()
742 static noinline void unlock_stripe(struct btrfs_raid_bio *rbio)  in unlock_stripe()
781 			struct btrfs_raid_bio *next;  in unlock_stripe()
784 			next = list_entry(head, struct btrfs_raid_bio,  in unlock_stripe()
821 static void __free_raid_bio(struct btrfs_raid_bio *rbio)  in __free_raid_bio()
844 static void free_raid_bio(struct btrfs_raid_bio *rbio)  in free_raid_bio()
854 static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err, int uptodate)  in rbio_orig_end_io()
880 	struct btrfs_raid_bio *rbio = bio->bi_private;  in raid_write_end_io()
916 static struct page *page_in_rbio(struct btrfs_raid_bio *rbio,  in page_in_rbio()
948 static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root,  in alloc_rbio()
951 	struct btrfs_raid_bio *rbio;  in alloc_rbio()
1002 static int alloc_rbio_pages(struct btrfs_raid_bio *rbio)  in alloc_rbio_pages()
1020 static int alloc_rbio_parity_pages(struct btrfs_raid_bio *rbio)  in alloc_rbio_parity_pages()
1043 static int rbio_add_io_page(struct btrfs_raid_bio *rbio,  in rbio_add_io_page()
1104 static void validate_rbio_for_rmw(struct btrfs_raid_bio *rbio)  in validate_rbio_for_rmw()
1118 static struct page *rbio_stripe_page(struct btrfs_raid_bio *rbio, int stripe, int page)  in rbio_stripe_page()
1134 static void index_rbio_pages(struct btrfs_raid_bio *rbio)  in index_rbio_pages()
1165 static noinline void finish_rmw(struct btrfs_raid_bio *rbio)  in finish_rmw()
1329 static int find_bio_stripe(struct btrfs_raid_bio *rbio,  in find_bio_stripe()
1356 static int find_logical_bio_stripe(struct btrfs_raid_bio *rbio,  in find_logical_bio_stripe()
1378 static int fail_rbio_index(struct btrfs_raid_bio *rbio, int failed)  in fail_rbio_index()
1410 static int fail_bio_stripe(struct btrfs_raid_bio *rbio,  in fail_bio_stripe()
1446 	struct btrfs_raid_bio *rbio = bio->bi_private;  in raid_rmw_end_io()
1475 static void async_rmw_stripe(struct btrfs_raid_bio *rbio)  in async_rmw_stripe()
1484 static void async_read_rebuild(struct btrfs_raid_bio *rbio)  in async_read_rebuild()
1497 static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio)  in raid56_rmw_stripe()
1594 static int full_stripe_write(struct btrfs_raid_bio *rbio)  in full_stripe_write()
1615 static int partial_stripe_write(struct btrfs_raid_bio *rbio)  in partial_stripe_write()
1631 static int __raid56_parity_write(struct btrfs_raid_bio *rbio)  in __raid56_parity_write()
1658 	struct btrfs_raid_bio *ra = container_of(a, struct btrfs_raid_bio,  in plug_cmp()
1660 	struct btrfs_raid_bio *rb = container_of(b, struct btrfs_raid_bio,  in plug_cmp()
1674 	struct btrfs_raid_bio *cur;  in run_plug()
1675 	struct btrfs_raid_bio *last = NULL;  in run_plug()
1685 				 struct btrfs_raid_bio, plug_list);  in run_plug()
1742 	struct btrfs_raid_bio *rbio;  in raid56_parity_write()
1793 static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)  in __raid_recover_end_io()
1989 	struct btrfs_raid_bio *rbio = bio->bi_private;  in raid_recover_end_io()
2018 static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)  in __raid56_parity_recover()
2119 	struct btrfs_raid_bio *rbio;  in raid56_parity_recover()
2178 	struct btrfs_raid_bio *rbio;  in rmw_work()
2180 	rbio = container_of(work, struct btrfs_raid_bio, work);  in rmw_work()
2186 	struct btrfs_raid_bio *rbio;  in read_rebuild_work()
2188 	rbio = container_of(work, struct btrfs_raid_bio, work);  in read_rebuild_work()
2200 struct btrfs_raid_bio *
2206 	struct btrfs_raid_bio *rbio;  in raid56_parity_alloc_scrub_rbio()
2235 void raid56_parity_add_scrub_pages(struct btrfs_raid_bio *rbio,  in raid56_parity_add_scrub_pages()
2253 static int alloc_rbio_essential_pages(struct btrfs_raid_bio *rbio)  in alloc_rbio_essential_pages()
2282 	struct btrfs_raid_bio *rbio = bio->bi_private;  in raid_write_parity_end_io()
2300 static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,  in finish_parity_scrub()
2462 static inline int is_data_stripe(struct btrfs_raid_bio *rbio, int stripe)  in is_data_stripe()
2476 static void validate_rbio_for_parity_scrub(struct btrfs_raid_bio *rbio)  in validate_rbio_for_parity_scrub()
2540 	struct btrfs_raid_bio *rbio = bio->bi_private;  in raid56_parity_scrub_end_io()
2560 static void raid56_parity_scrub_stripe(struct btrfs_raid_bio *rbio)  in raid56_parity_scrub_stripe()
2651 	struct btrfs_raid_bio *rbio;  in scrub_parity_work()
2653 	rbio = container_of(work, struct btrfs_raid_bio, work);  in scrub_parity_work()
2657 static void async_scrub_parity(struct btrfs_raid_bio *rbio)  in async_scrub_parity()
2666 void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio)  in raid56_parity_submit_scrub_rbio()