linux-kernel - [PATCH v4 2/2] ocfs2: clear unaligned io flag when dio fails

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Message-Id: <1340788195-20623-3-git-send-email-junxiao.bi@oracle.com>
Date:	Wed, 27 Jun 2012 17:09:55 +0800
From:	Junxiao Bi <junxiao.bi@...cle.com>
To:	ocfs2-devel@....oracle.com, linux-aio@...ck.org
Cc:	mfasheh@...e.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, joe.jin@...cle.com,
	Junxiao Bi <junxiao.bi@...cle.com>, stable@...r.kernel.org
Subject: [PATCH v4 2/2] ocfs2: clear unaligned io flag when dio fails

The unaligned io flag is set in the kiocb when an unaligned
dio is issued, it should be cleared even when the dio fails,
or it may affect the following io which are using the same
kiocb.

Signed-off-by: Junxiao Bi <junxiao.bi@...cle.com>
Cc: stable@...r.kernel.org
---
 fs/ocfs2/file.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 061591a..98513c8 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2422,8 +2422,10 @@ out_dio:
 		unaligned_dio = 0;
 	}
 
-	if (unaligned_dio)
+	if (unaligned_dio) {
+		ocfs2_iocb_clear_unaligned_aio(iocb);
 		atomic_dec(&OCFS2_I(inode)->ip_unaligned_aio);
+	}
 
 out:
 	if (rw_level != -1)
-- 
1.7.9.5

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