linux-kernel - [PATCH 10/60] fs: logfs: convert to bio_add_page() in sync

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Message-Id: <1477728600-12938-11-git-send-email-tom.leiming@gmail.com>
Date:   Sat, 29 Oct 2016 16:08:09 +0800
From:   Ming Lei <tom.leiming@...il.com>
To:     Jens Axboe <axboe@...com>, linux-kernel@...r.kernel.org
Cc:     linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Ming Lei <tom.leiming@...il.com>,
        Joern Engel <joern@...fs.org>,
        Prasad Joshi <prasadjoshi.linux@...il.com>,
        logfs@...fs.org (open list:LogFS)
Subject: [PATCH 10/60] fs: logfs: convert to bio_add_page() in sync_request()

Always bio_add_page() is the standard and preferred way to
do the task.

Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Ming Lei <tom.leiming@...il.com>
---
 fs/logfs/dev_bdev.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
index 2bf53b0ffe83..696dcdd65fdd 100644
--- a/fs/logfs/dev_bdev.c
+++ b/fs/logfs/dev_bdev.c
@@ -20,15 +20,12 @@ static int sync_request(struct page *page, struct block_device *bdev, int op)
 	struct bio_vec bio_vec;
 
 	bio_init_with_vec_table(&bio, &bio_vec, 1);
-	bio_vec.bv_page = page;
-	bio_vec.bv_len = PAGE_SIZE;
-	bio_vec.bv_offset = 0;
-	bio.bi_vcnt = 1;
 	bio.bi_bdev = bdev;
 	bio.bi_iter.bi_sector = page->index * (PAGE_SIZE >> 9);
-	bio.bi_iter.bi_size = PAGE_SIZE;
 	bio_set_op_attrs(&bio, op, 0);
 
+	bio_add_page(&bio, page, PAGE_SIZE, 0);
+
 	return submit_bio_wait(&bio);
 }
 
-- 
2.7.4