Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 29 Aug 2019 13:18:37 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Gao Xiang <gaoxiang25@huawei.com>
Cc:     Christoph Hellwig <hch@infradead.org>, devel@driverdev.osuosl.org,
        Valdis =?utf-8?Q?Kl=C4=93tnieks?= <valdis.kletnieks@vt.edu>,
        linux-kernel@vger.kernel.org,
        Sasha Levin <alexander.levin@microsoft.com>,
        linux-fsdevel@vger.kernel.org,
        OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Subject: Re: [PATCH] staging: exfat: add exfat filesystem code to staging
Message-ID: <20190829111837.GB23393@kroah.com>
References: <20190828160817.6250-1-gregkh@linuxfoundation.org>
 <20190828170022.GA7873@kroah.com>
 <20190829062340.GB3047@infradead.org>
 <20190829063955.GA30193@kroah.com>
 <20190829094136.GA28643@infradead.org>
 <20190829095019.GA13557@kroah.com>
 <20190829103749.GA13661@infradead.org>
 <20190829110443.GD64893@architecture4>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190829110443.GD64893@architecture4>
User-Agent: Mutt/1.12.1 (2019-06-15)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Aug 29, 2019 at 07:04:43PM +0800, Gao Xiang wrote:
> On Thu, Aug 29, 2019 at 03:37:49AM -0700, Christoph Hellwig wrote:
> > On Thu, Aug 29, 2019 at 11:50:19AM +0200, Greg Kroah-Hartman wrote:
> > > I did try just that, a few years ago, and gave up on it.  I don't think
> > > it can be added to the existing vfat code base but I am willing to be
> > > proven wrong.
> > 
> > And what exactly was the problem?
> > 
> > > 
> > > Now that we have the specs, it might be easier, and the vfat spec is a
> > > subset of the exfat spec, but to get stuff working today, for users,
> > > it's good to have it in staging.  We can do the normal, "keep it in
> > > stable, get a clean-room implementation merged like usual, and then
> > > delete the staging version" three step process like we have done a
> > > number of times already as well.
> > > 
> > > I know the code is horrible, but I will gladly take horrible code into
> > > staging.  If it bothers you, just please ignore it.  That's what staging
> > > is there for :)
> > 
> > And then after a while you decide it's been long enough and force move
> > it out of staging like the POS erofs code?
> 
> The problem is that EROFS has been there for a year and
> I sent v1-v8 patches here, You didn't review or reply it
> once until now.
> 
> And I have no idea what is the relationship between EROFS
> and the current exfat implementation.

There isn't any, other than it too is a filesystem that was in the
staging directory :)

greg k-h