From: Christoph Hellwig <hch@lst.de>
Date: Wed, 26 Jun 2019 13:49:25 +0000 (+0200)
Subject: block_dev: use bio_release_pages in blkdev_bio_end_io
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=57dfe3ce10e5cecfb3d073e90c0454f432a86873;p=openwrt%2Fstaging%2Fblogic.git

block_dev: use bio_release_pages in blkdev_bio_end_io

Use bio_release_pages instead of duplicating it.

Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 749f5984425d..a6572a811880 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -335,13 +335,7 @@ static void blkdev_bio_end_io(struct bio *bio)
 	if (should_dirty) {
 		bio_check_pages_dirty(bio);
 	} else {
-		if (!bio_flagged(bio, BIO_NO_PAGE_REF)) {
-			struct bvec_iter_all iter_all;
-			struct bio_vec *bvec;
-
-			bio_for_each_segment_all(bvec, bio, iter_all)
-				put_page(bvec->bv_page);
-		}
+		bio_release_pages(bio, false);
 		bio_put(bio);
 	}
 }