From: majianpeng <majianpeng@gmail.com>
Subject: [PATCH 1/8] block/blk-lib.c: Evalue bio->bi_rw after calling
	bio_alloc() and before calling bio_add_page().
Date: Mon, 30 Jul 2012 15:23:29 +0800
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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@gmail.com>
---
 block/blk-lib.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/block/blk-lib.c b/block/blk-lib.c
index 2b461b4..fac777b 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -151,6 +151,7 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
 		bio->bi_bdev   = bdev;
 		bio->bi_end_io = bio_batch_end_io;
 		bio->bi_private = &bb;
+		bio->bi_rw = WRITE;
 
 		while (nr_sects != 0) {
 			sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects);
-- 
1.7.9.5
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