From 4e0d836d5fb26d2cdbb75b0d16d98bef6b798490 Mon Sep 17 00:00:00 2001
From: Chao Yu <chao2.yu@samsung.com>
Date: Wed, 30 Dec 2015 17:40:31 +0800
Subject: [PATCH] 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@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/namei.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 6c4a94310b54..a629af5cb0ce 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);