linux-kernel - [PATCH 2/2] f2fs: fix to update node page under cp

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Message-Id: <1472228072-4555-2-git-send-email-chao@kernel.org>
Date:   Sat, 27 Aug 2016 00:14:32 +0800
From:   Chao Yu <chao@...nel.org>
To:     jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 2/2] f2fs: fix to update node page under cp_rwsem

From: Chao Yu <yuchao0@...wei.com>

Update node page under cp_rwsem in order to keep data consistency
during writting checkpoint.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/inode.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 9ac5efc..1057c73 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -377,8 +377,11 @@ retry:
 		goto retry;
 	}
 
-	if (err)
+	if (err) {
+		f2fs_lock_op(sbi);
 		update_inode_page(inode);
+		f2fs_unlock_op(sbi);
+	}
 	sb_end_intwrite(inode->i_sb);
 no_delete:
 	stat_dec_inline_xattr(inode);
-- 
2.7.2