linux-kernel - Re: [PATCH] drivers/staging/exfat - by default, prohibit mount of fat/vfat

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Message-ID: <20190901032556.GA10186@hsiangkao-HP-ZHAN-66-Pro-G1>
Date:   Sun, 1 Sep 2019 11:26:02 +0800
From:   Gao Xiang <hsiangkao@....com>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Dave Chinner <david@...morbit.com>,
        Valdis Klētnieks <valdis.kletnieks@...edu>,
        Christoph Hellwig <hch@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <alexander.levin@...rosoft.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/staging/exfat - by default, prohibit mount of
 fat/vfat

Hi Al,

On Sun, Sep 01, 2019 at 04:05:14AM +0100, Al Viro wrote:
> On Sun, Sep 01, 2019 at 09:37:19AM +0800, Gao Xiang wrote:
> 
> > fs/orangefs/file.c
> >  19 static int flush_racache(struct inode *inode)
> 
> Just why the hell would _that_ one be a problem?  It's static in
> file; it can't pollute the namespace even if linked into the
> kernel.
> 
> Folks, let's keep at least some degree of sanity - this is sinking
> to the level of certain killfile denizens...

Thanks for your kind reply. I think in the same way.
And Christoph did many great suggestions for erofs, thanks him
for erofs, and I'm already fixed most of them, and some
suggestions I have no idea to do....
  1) add "erofs_" to all functions [1] [2];
  2) avoid sb_bread and use read_mapping_page, actually
      read_mapping_page will call block_read_full_page and
      buffer_heads still there;

and I don't know what erofs "rapidly turning" means, all great
suggestions I can fix them all, I have no idea it's a bad thing.

[1] https://lore.kernel.org/linux-fsdevel/20190830163910.GB29603@infradead.org/
[2] https://lore.kernel.org/linux-fsdevel/20190831064853.GA162401@architecture4/

Thanks,
Gao Xiang