From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: RE: [PATCH] f2fs: fix to stop recovering dot dentries in a readonly fs Date: Tue, 29 Dec 2015 14:26:53 +0800 Message-ID: <00c601d14202$016a0c30$043e2490$@samsung.com> References: <006f01d14158$63fa4a90$2beedfb0$@samsung.com> <20151228225350.GC61500@jaegeuk.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <20151228225350.GC61500@jaegeuk.local> Content-language: zh-cn Sender: linux-kernel-owner@vger.kernel.org To: 'Jaegeuk Kim' Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org List-Id: linux-f2fs-devel.lists.sourceforge.net Hi Jaegeuk, > -----Original Message----- > From: Jaegeuk Kim [mailto:jaegeuk@kernel.org] > Sent: Tuesday, December 29, 2015 6:54 AM > To: Chao Yu > Cc: linux-f2fs-devel@lists.sourceforge.net; linux-kernel@vger.kernel.org > Subject: Re: [PATCH] f2fs: fix to stop recovering dot dentries in a readonly fs > > 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 > > --- > > 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? In a readonly mountpoint, we should still allow user to stat file/dir in directory structure, rather than returning -EROFS when trying to recover, Right? Thanks, > > Thanks, > > > err = __recover_dot_dentries(inode, dir->i_ino); > > if (err) > > goto err_out; > > -- > > 2.6.3 > >