linux-kernel - Re: [RFC][Resend] Make NFS-Client readahead tunable

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Message-Id: <20080918014733.3c9c362e.akpm@linux-foundation.org>
Date:	Thu, 18 Sep 2008 01:47:33 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Martin Knoblauch <knobi@...bisoft.de>
Cc:	Greg Banks <gnb@...bourne.sgi.com>,
	linux-nfs list <linux-nfs@...r.kernel.org>,
	linux-kernel@...r.kernel.org,
	Peter zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [RFC][Resend] Make NFS-Client readahead tunable

On Thu, 18 Sep 2008 01:38:57 -0700 (PDT) Martin Knoblauch <knobi@...bisoft.de> wrote:

> > No.  mount(8) will pass unrecognised options straight down into the
> > filesystem driver.
> >
> 
>  Has that always been the case, or is it a recent change? I have to support RHEL4 userland, which is not really new.

It's been that way for ever and ever.  It's how all these guys:

y:/usr/src/25> grep Opt_ fs/*/super.c|wc
    781    2626   33703

get handled.
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