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Date: Fri, 16 Sep 2011 19:50:27 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Alvaro Herrera <alvherre@commandprompt.com>
Cc: Andres Freund <andres@anarazel.de>, Matthew Wilcox <matthew@wil.cx>,
        Andi Kleen <andi@firstfloor.org>, viro <viro@zeniv.linux.org.uk>,
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Subject: Re: [HACKERS] Improve lseek scalability v3
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> One other thing we're interested in is portability.  I mean, even if
> Linux were to introduce a new hypothetical syscall that was able to
> return the file size at a ridiculously low cost, we probably wouldn't
> use it because it'd be Linux-specific.  So an improvement of lseek()
> seems to be the best option.

Fully agreed. It doesn't make any sense at all to implement special
syscalls just to workaround a basic system call not scaling.

-Andi