linux-kernel - [PATCH v2] f2fs: fix to skip recovering dot dentries in a readonly fs

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Date:	Wed, 30 Dec 2015 17:40:31 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	Jaegeuk Kim <jaegeuk@...nel.org>
Cc:	linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] f2fs: fix to skip recovering dot dentries in a readonly fs

If filesystem is readonly, leave user message info instead of recovering
inline dot inode.

Signed-off-by: Chao Yu <chao2.yu@...sung.com>
---
v2:
 - add to print message.
 fs/f2fs/namei.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 6c4a943..a629af5 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -214,6 +214,13 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino)
 	struct page *page;
 	int err = 0;
 
+	if (f2fs_readonly(sbi->sb)) {
+		f2fs_msg(sbi->sb, KERN_INFO,
+			"skip recovering inline_dots inode (ino:%lu, pino:%u) "
+			"in readonly mountpoint", dir->i_ino, pino);
+		return 0;
+	}
+
 	f2fs_balance_fs(sbi);
 
 	f2fs_lock_op(sbi);
-- 
2.6.3


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