From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jaegeuk Kim <jaegeuk@kernel.org>
Subject: Re: [PATCH] f2fs: fix to stop recovering dot dentries in a readonly
 fs
Date: Mon, 28 Dec 2015 14:53:50 -0800
Message-ID: <20151228225350.GC61500@jaegeuk.local>
References: <006f01d14158$63fa4a90$2beedfb0$@samsung.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-kernel-owner@vger.kernel.org>
Content-Disposition: inline
In-Reply-To: <006f01d14158$63fa4a90$2beedfb0$@samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
To: Chao Yu <chao2.yu@samsung.com>
Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
List-Id: linux-f2fs-devel.lists.sourceforge.net

Hi Chao,

On Mon, Dec 28, 2015 at 06:12:45PM +0800, Chao Yu wrote:
> If filesystem is readonly, don't recover inline dot inode.
> 
> Signed-off-by: Chao Yu <chao2.yu@samsung.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)) {

We need to return -EROFS if f2fs is readonly?

Thanks,

>  		err = __recover_dot_dentries(inode, dir->i_ino);
>  		if (err)
>  			goto err_out;
> -- 
> 2.6.3
>