201 static void write_bdev_super_endio(struct bio *bio)  in write_bdev_super_endio()  argument
203 	struct cached_dev *dc = bio->bi_private;  in write_bdev_super_endio()
209 static void __write_super(struct cache_sb *sb, struct bio *bio)  in __write_super()  argument
211 	struct cache_sb *out = page_address(bio->bi_io_vec[0].bv_page);  in __write_super()
214 	bio->bi_iter.bi_sector	= SB_SECTOR;  in __write_super()
215 	bio->bi_rw		= REQ_SYNC|REQ_META;  in __write_super()
216 	bio->bi_iter.bi_size	= SB_SIZE;  in __write_super()
217 	bch_bio_map(bio, NULL);  in __write_super()
241 	submit_bio(REQ_WRITE, bio);  in __write_super()
254 	struct bio *bio = &dc->sb_bio;  in bch_write_bdev_super()  local
259 	bio_reset(bio);  in bch_write_bdev_super()
260 	bio->bi_bdev	= dc->bdev;  in bch_write_bdev_super()
261 	bio->bi_end_io	= write_bdev_super_endio;  in bch_write_bdev_super()
262 	bio->bi_private = dc;  in bch_write_bdev_super()
265 	__write_super(&dc->sb, bio);  in bch_write_bdev_super()
270 static void write_super_endio(struct bio *bio)  in write_super_endio()  argument
272 	struct cache *ca = bio->bi_private;  in write_super_endio()
274 	bch_count_io_errors(ca, bio->bi_error, "writing superblock");  in write_super_endio()
297 		struct bio *bio = &ca->sb_bio;  in bcache_write_super()  local
305 		bio_reset(bio);  in bcache_write_super()
306 		bio->bi_bdev	= ca->bdev;  in bcache_write_super()
307 		bio->bi_end_io	= write_super_endio;  in bcache_write_super()
308 		bio->bi_private = ca;  in bcache_write_super()
311 		__write_super(&ca->sb, bio);  in bcache_write_super()
319 static void uuid_endio(struct bio *bio)  in uuid_endio()  argument
321 	struct closure *cl = bio->bi_private;  in uuid_endio()
324 	cache_set_err_on(bio->bi_error, c, "accessing uuids");  in uuid_endio()
325 	bch_bbio_free(bio, c);  in uuid_endio()
349 		struct bio *bio = bch_bbio_alloc(c);  in uuid_io()  local
351 		bio->bi_rw	= REQ_SYNC|REQ_META|rw;  in uuid_io()
352 		bio->bi_iter.bi_size = KEY_SIZE(k) << 9;  in uuid_io()
354 		bio->bi_end_io	= uuid_endio;  in uuid_io()
355 		bio->bi_private = cl;  in uuid_io()
356 		bch_bio_map(bio, c->uuids);  in uuid_io()
358 		bch_submit_bbio(bio, c, k, i);  in uuid_io()
492 static void prio_endio(struct bio *bio)  in prio_endio()  argument
494 	struct cache *ca = bio->bi_private;  in prio_endio()
496 	cache_set_err_on(bio->bi_error, ca->set, "accessing priorities");  in prio_endio()
497 	bch_bbio_free(bio, ca->set);  in prio_endio()
504 	struct bio *bio = bch_bbio_alloc(ca->set);  in prio_io()  local
508 	bio->bi_iter.bi_sector	= bucket * ca->sb.bucket_size;  in prio_io()
509 	bio->bi_bdev		= ca->bdev;  in prio_io()
510 	bio->bi_rw		= REQ_SYNC|REQ_META|rw;  in prio_io()
511 	bio->bi_iter.bi_size	= bucket_bytes(ca);  in prio_io()
513 	bio->bi_end_io	= prio_endio;  in prio_io()
514 	bio->bi_private = ca;  in prio_io()
515 	bch_bio_map(bio, ca->disk_buckets);  in prio_io()
517 	closure_bio_submit(bio, &ca->prio);  in prio_io()
784 	if (!(d->bio_split = bioset_create(4, offsetof(struct bbio, bio))) ||  in bcache_device_init()
1519 	    !(c->bio_split = bioset_create(4, offsetof(struct bbio, bio))) ||  in bch_cache_set_alloc()
1814 	bio_init(&ca->journal.bio);  in cache_alloc()
1815 	ca->journal.bio.bi_max_vecs = 8;  in cache_alloc()
1816 	ca->journal.bio.bi_io_vec = ca->journal.bio.bi_inline_vecs;  in cache_alloc()