linux-kernel - [PATCH 2/5] btrfs: close_bdev_exclusive() should use the same @flags as the matching open_bdev

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Message-Id: <1288628129-12811-3-git-send-email-tj@kernel.org>
Date:	Mon,  1 Nov 2010 17:15:26 +0100
From:	Tejun Heo <tj@...nel.org>
To:	axboe@...nel.dk, hch@...radead.org, linux-kernel@...r.kernel.org,
	petero2@...ia.com, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com, jack@...e.cz, akpm@...ux-foundation.org,
	adilger.kernel@...ger.ca, tytso@....edu, mfasheh@...e.com,
	joel.becker@...cle.com, aelder@....com, dm-devel@...hat.com,
	drbd-dev@...ts.linbit.com, neilb@...e.de, leochen@...adcom.com,
	sbranden@...adcom.com, chris.mason@...cle.com, swhiteho@...hat.com,
	shaggy@...ux.vnet.ibm.com, joern@...fs.org,
	konishi.ryusuke@....ntt.co.jp, reiserfs-devel@...r.kernel.org,
	viro@...iv.linux.org.uk
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 2/5] btrfs: close_bdev_exclusive() should use the same @flags as the matching open_bdev_exclusive()

In the failure path of __btrfs_open_devices(), close_bdev_exclusive()
is called with @flags which doesn't match the one used during
open_bdev_exclusive().  Fix it.

Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: Chris Mason <chris.mason@...cle.com>
---
 fs/btrfs/volumes.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index cc04dc1..d395962 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -638,7 +638,7 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
 error_brelse:
 		brelse(bh);
 error_close:
-		close_bdev_exclusive(bdev, FMODE_READ);
+		close_bdev_exclusive(bdev, flags);
 error:
 		continue;
 	}
-- 
1.7.1

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