linux-kernel - Re: [f2fs-dev] [PATCH 2/2] f2fs: don't allow atomic writes for not regular files

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Date:   Fri, 17 Mar 2017 20:40:20 +0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Chao Yu <yuchao0@...wei.com>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH 2/2] f2fs: don't allow atomic writes for not
 regular files

On 03/17, Chao Yu wrote:
> On 2017/3/17 10:09, Jaegeuk Kim wrote:
> > The atomic writes only supports regular files for database.
> > 
> > Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
> > ---
> >  fs/f2fs/file.c | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> > index da6d33d1bb34..d486e02b43c2 100644
> > --- a/fs/f2fs/file.c
> > +++ b/fs/f2fs/file.c
> > @@ -1522,6 +1522,9 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
> >  	if (f2fs_is_atomic_file(inode))
> >  		goto out;
> >  
> > +	if (!S_ISREG(inode->i_mode))
> > +		return -EINVAL;
> 
> goto out;

Oh, I just move it to the beginning of the function.

Thanks,

> 
> Thanks,
> 
> > +
> >  	ret = f2fs_convert_inline_inode(inode);
> >  	if (ret)
> >  		goto out;
> >