259 static int stripe_map_range(struct stripe_c *sc, struct bio *bio,  in stripe_map_range()  argument
264 	stripe_map_range_sector(sc, bio->bi_iter.bi_sector,  in stripe_map_range()
266 	stripe_map_range_sector(sc, bio_end_sector(bio),  in stripe_map_range()
269 		bio->bi_bdev = sc->stripe[target_stripe].dev->bdev;  in stripe_map_range()
270 		bio->bi_iter.bi_sector = begin +  in stripe_map_range()
272 		bio->bi_iter.bi_size = to_bytes(end - begin);  in stripe_map_range()
276 		bio_endio(bio, 0);  in stripe_map_range()
281 static int stripe_map(struct dm_target *ti, struct bio *bio)  in stripe_map()  argument
287 	if (bio->bi_rw & REQ_FLUSH) {  in stripe_map()
288 		target_bio_nr = dm_bio_get_target_bio_nr(bio);  in stripe_map()
290 		bio->bi_bdev = sc->stripe[target_bio_nr].dev->bdev;  in stripe_map()
293 	if (unlikely(bio->bi_rw & REQ_DISCARD) ||  in stripe_map()
294 	    unlikely(bio->bi_rw & REQ_WRITE_SAME)) {  in stripe_map()
295 		target_bio_nr = dm_bio_get_target_bio_nr(bio);  in stripe_map()
297 		return stripe_map_range(sc, bio, target_bio_nr);  in stripe_map()
300 	stripe_map_sector(sc, bio->bi_iter.bi_sector,  in stripe_map()
301 			  &stripe, &bio->bi_iter.bi_sector);  in stripe_map()
303 	bio->bi_iter.bi_sector += sc->stripe[stripe].physical_start;  in stripe_map()
304 	bio->bi_bdev = sc->stripe[stripe].dev->bdev;  in stripe_map()
352 static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error)  in stripe_end_io()  argument
361 	if ((error == -EWOULDBLOCK) && (bio->bi_rw & REQ_RAHEAD))  in stripe_end_io()
369 		MAJOR(disk_devt(bio->bi_bdev->bd_disk)),  in stripe_end_io()
370 		MINOR(disk_devt(bio->bi_bdev->bd_disk)));  in stripe_end_io()