From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Mon, 11 Aug 2008 16:07:08 +0000 (+0100)
Subject: Use WRITE_BARRIER in blkdev_issue_flush(), not (1<<BIO_RW_BARRIER)
X-Git-Tag: v2.6.28-rc1~733^2~119
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2ebca85abcfcbaaf1c0b242e39fc88ad3da90090;p=karo-tx-linux.git

Use WRITE_BARRIER in blkdev_issue_flush(), not (1<<BIO_RW_BARRIER)

Barriers should be submitted with the WRITE flag set.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/block/blk-barrier.c b/block/blk-barrier.c
index 273121c0eb80..e5448131d4f1 100644
--- a/block/blk-barrier.c
+++ b/block/blk-barrier.c
@@ -293,7 +293,7 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
 	bio->bi_end_io = bio_end_empty_barrier;
 	bio->bi_private = &wait;
 	bio->bi_bdev = bdev;
-	submit_bio(1 << BIO_RW_BARRIER, bio);
+	submit_bio(WRITE_BARRIER, bio);
 
 	wait_for_completion(&wait);