From: Andreas Schwab <schwab@suse.de>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] How do I enable direct IOs with ia64 ?
Date: Wed, 28 Aug 2002 14:42:45 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905992@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905991@msgid-missing>
Jacky Malcles <Jacky.Malcles@bull.net> writes:
|> If I run the following piece of code to an ia64 (azusa) I can see that
|> direct
|> io are not enabled, but please,
|> what do i have to do to have them running?
Use getpagesize.
|> compil:
|> cc -O -D_GNU_SOURCE voyons.c -o voyons#include <stdio.h>
|> #include <stdlib.h>
|> #include <unistd.h>
|> #include <signal.h>
|> #include <string.h>
|> #include <sys/fcntl.h>
|> #include <errno.h>
|>
|> #define BUFSIZE 8192
Page size is 16k by default on ia64, but can be as large as 64k.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2002-08-28 14:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-28 12:09 [Linux-ia64] How do I enable direct IOs with ia64 ? Jacky Malcles
2002-08-28 14:42 ` Andreas Schwab [this message]
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