[PATCH 4/8] fs/direct-io.c:Evalue bio->bi_rw after calling bio

To:	axboe <axboe@xxxxxxxxx>, "konrad.wilk" <konrad.wilk@xxxxxxxxxx>, "chris.mason" <chris.mason@xxxxxxxxxxxx>, viro <viro@xxxxxxxxxxxxxxxxxx>, tytso <tytso@xxxxxxx>, "adilger.kernel" <adilger.kernel@xxxxxxxxx>, shaggy <shaggy@xxxxxxxxxx>, mfasheh <mfasheh@xxxxxxxx>, jlbec <jlbec@xxxxxxxxxxxx>, bpm <bpm@xxxxxxx>, elder <elder@xxxxxxxxxx>
Subject:	[PATCH 4/8] fs/direct-io.c:Evalue bio->bi_rw after calling bio_alloc() and before calling bio_add_page().
From:	majianpeng <majianpeng@xxxxxxxxx>
Date:	Mon, 30 Jul 2012 15:24:06 +0800
Cc:	linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, linux-btrfs <linux-btrfs@xxxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, linux-ext4 <linux-ext4@xxxxxxxxxxxxxxx>, jfs-discussion <jfs-discussion@xxxxxxxxxxxxxxxxxxxxx>, xfs <xfs@xxxxxxxxxxx>
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Because call bio_alloc, the bi_rw is zero by default,but in
bio_add_page used the bi_rw. So evalue bi_rw.

Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
---
 fs/direct-io.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 1faf4cb..77f0bbf 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -349,6 +349,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
 
        bio->bi_bdev = bdev;
        bio->bi_sector = first_sector;
+       bio->bi_rw = dio->rw;
        if (dio->is_async)
                bio->bi_end_io = dio_bio_end_aio;
        else
-- 
1.7.9.5

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[PATCH 4/8] fs/direct-io.c:Evalue bio->bi_rw after calling bio_alloc() a