Commit 163cc2d3 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: use bio_release_pages in bio_unmap_user 



Use bio_release_pages instead of open coding it.

Reviewed-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: default avatarMinwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent d241a95f

block/bio.c

+2 −19
Original line number Diff line number Diff line
@@ -1437,24 +1437,6 @@ struct bio *bio_map_user_iov(struct request_queue *q, 
	return ERR_PTR(ret);

}



static void __bio_unmap_user(struct bio *bio)

{

	struct bio_vec *bvec;

	struct bvec_iter_all iter_all;



	/*

	 * make sure we dirty pages we wrote to

	 */

	bio_for_each_segment_all(bvec, bio, iter_all) {

		if (bio_data_dir(bio) == READ)

			set_page_dirty_lock(bvec->bv_page);



		put_page(bvec->bv_page);

	}



	bio_put(bio);

}



/**

 *	bio_unmap_user	-	unmap a bio

 *	@bio:		the bio being unmapped
@@ -1466,7 +1448,8 @@ static void __bio_unmap_user(struct bio *bio) 
 */

void bio_unmap_user(struct bio *bio)

{

	__bio_unmap_user(bio);

	bio_release_pages(bio, bio_data_dir(bio) == READ);

	bio_put(bio);

	bio_put(bio);

}