All of lore.kernel.org
 help / color / mirror / Atom feed
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."


      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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=marc-linux-ia64-105590701905992@msgid-missing \
    --to=schwab@suse.de \
    --cc=linux-ia64@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.