Commit d7a1c483 authored by Jason Yan's avatar Jason Yan Committed by Song Liu
Browse files

md/raid0: remove unused function is_io_in_chunk_boundary() 



This function is no longger needed after commit 20d0189b ("block:
Introduce new bio_split()").

Signed-off-by: default avatarJason Yan <yanaijie@huawei.com>
Signed-off-by: default avatarSong Liu <songliubraving@fb.com>
parent b6bf0830

drivers/md/raid0.c

+0 −17
Original line number Diff line number Diff line
@@ -426,23 +426,6 @@ static void raid0_free(struct mddev *mddev, void *priv) 
	kfree(conf);

}



/*

 * Is io distribute over 1 or more chunks ?

*/

static inline int is_io_in_chunk_boundary(struct mddev *mddev,

			unsigned int chunk_sects, struct bio *bio)

{

	if (likely(is_power_of_2(chunk_sects))) {

		return chunk_sects >=

			((bio->bi_iter.bi_sector & (chunk_sects-1))

					+ bio_sectors(bio));

	} else{

		sector_t sector = bio->bi_iter.bi_sector;

		return chunk_sects >= (sector_div(sector, chunk_sects)

						+ bio_sectors(bio));

	}

}



static void raid0_handle_discard(struct mddev *mddev, struct bio *bio)

{

	struct r0conf *conf = mddev->private;