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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 3 Oct 2012 13:32:06 -0700
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Subject: Re: Access files from kernel
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>,
        Ming Lei <ming.lei@canonical.com>,
        Greg KH <gregkh@linuxfoundation.org>, Kay Sievers <kay@vrfy.org>,
        Lennart Poettering <lennart@poettering.net>,
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On Wed, Oct 3, 2012 at 12:48 PM, Kirill A. Shutemov
<kirill@shutemov.name> wrote:
>
> AFAIK, accessing files on filesystem form kernel directly was no-go for a
> long time. What's the new rule here?

Oh, we've *always* accessed files from the kernel.

What we don't want is random drivers doing so directly and without a
good abstraction layer, because that just ends up being a total
nightmare.

Still, they've done that too. Ugh. Too many drivers having random
hacks like that.

            Linus