linux-kernel - Re: [PATCH v2] Introduce a version6 of autofs interface, to fix design error.

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Message-ID: <CA+55aFzPbAprx-iT0TYh24uS7+JnL92mbTg_js6Cd_O0q+Dvmw@mail.gmail.com>
Date:	Fri, 27 Apr 2012 12:19:56 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	mjt@....msk.ru, linux-kernel@...r.kernel.org,
	autofs@...r.kernel.org, raven@...maw.net, thomas@...3r.de,
	stable@...nel.org
Subject: Re: [PATCH v2] Introduce a version6 of autofs interface, to fix
 design error.

On Fri, Apr 27, 2012 at 12:16 PM, David Miller <davem@...emloft.net> wrote:
>
> BTW, I want to clarify that my position is that userland might have
> been the best place to handle this rather than the kernel.

It definitely is not.

You are ignoring the fact that the user-land workaround resulted in an
independent bug in *another* user-land project.

Your whole argument was apparently that "that point in user-land is
the only place that knows the details". But that argument is bogus
crap - and we can *see* that it is bogus crap by the fact that there
was *another* user-land place that had this problem, but didn't
realize it.

That's why fixing it in user land was always wrong. There isn't just a
single user of this interface!

Btw, I think I may have an alternate fix. Which is to simply add a
"packetized" mode to pipes.

                   Linus
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