| From: | Andi Kleen <andi(at)firstfloor(dot)org> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Matthew Wilcox <matthew(at)wil(dot)cx>, Andi Kleen <andi(at)firstfloor(dot)org>, viro <viro(at)zeniv(dot)linux(dot)org(dot)uk>, linux-fsdevel <linux-fsdevel(at)vger(dot)kernel(dot)org>, linux-kernel <linux-kernel(at)vger(dot)kernel(dot)org>, robertmhaas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Improve lseek scalability v3 |
| Date: | 2011-09-16 17:50:27 |
| Message-ID: | 20110916175027.GF7761@one.firstfloor.org |
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| Lists: | pgsql-hackers |
> 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
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