From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Schwab <schwab@suse.de>
Date: Wed, 28 Aug 2002 14:42:45 +0000
Subject: Re: [Linux-ia64] How do I enable direct IOs with ia64 ?
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To: linux-ia64@vger.kernel.org

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?=20

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>
|>=20
|> #define BUFSIZE 8192

Page size is 16k by default on ia64, but can be as large as 64k.

Andreas.

--=20
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 N=FCrnberg
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