block: use bio_release_pages in bio_unmap_user (163cc2d3) · Commits · 戴 / test

Use bio_release_pages instead of open coding it. Reviewed-by:

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);
		}