261 static int stripe_map_range(struct stripe_c *sc, struct bio *bio,  in stripe_map_range()  argument
266 	stripe_map_range_sector(sc, bio->bi_iter.bi_sector,  in stripe_map_range()
268 	stripe_map_range_sector(sc, bio_end_sector(bio),  in stripe_map_range()
271 		bio->bi_bdev = sc->stripe[target_stripe].dev->bdev;  in stripe_map_range()
272 		bio->bi_iter.bi_sector = begin +  in stripe_map_range()
274 		bio->bi_iter.bi_size = to_bytes(end - begin);  in stripe_map_range()
278 		bio_endio(bio);  in stripe_map_range()
283 static int stripe_map(struct dm_target *ti, struct bio *bio)  in stripe_map()  argument
289 	if (bio->bi_rw & REQ_FLUSH) {  in stripe_map()
290 		target_bio_nr = dm_bio_get_target_bio_nr(bio);  in stripe_map()
292 		bio->bi_bdev = sc->stripe[target_bio_nr].dev->bdev;  in stripe_map()
295 	if (unlikely(bio->bi_rw & REQ_DISCARD) ||  in stripe_map()
296 	    unlikely(bio->bi_rw & REQ_WRITE_SAME)) {  in stripe_map()
297 		target_bio_nr = dm_bio_get_target_bio_nr(bio);  in stripe_map()
299 		return stripe_map_range(sc, bio, target_bio_nr);  in stripe_map()
302 	stripe_map_sector(sc, bio->bi_iter.bi_sector,  in stripe_map()
303 			  &stripe, &bio->bi_iter.bi_sector);  in stripe_map()
305 	bio->bi_iter.bi_sector += sc->stripe[stripe].physical_start;  in stripe_map()
306 	bio->bi_bdev = sc->stripe[stripe].dev->bdev;  in stripe_map()
354 static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error)  in stripe_end_io()  argument
363 	if ((error == -EWOULDBLOCK) && (bio->bi_rw & REQ_RAHEAD))  in stripe_end_io()
371 		MAJOR(disk_devt(bio->bi_bdev->bd_disk)),  in stripe_end_io()
372 		MINOR(disk_devt(bio->bi_bdev->bd_disk)));  in stripe_end_io()