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

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Date:	Mon, 28 Dec 2015 18:12:45 +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] f2fs: fix to stop recovering dot dentries in a readonly fs

If filesystem is readonly, don't recover inline dot inode.

Signed-off-by: Chao Yu <chao2.yu@...sung.com>
---
 fs/f2fs/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 5cc4128..b4a5836 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -269,7 +269,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
-	if (f2fs_has_inline_dots(inode)) {
+	if (f2fs_has_inline_dots(inode) && !f2fs_readonly(dir->i_sb)) {
 		err = __recover_dot_dentries(inode, dir->i_ino);
 		if (err)
 			goto err_out;
-- 
2.6.3


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