From: Marco Colombo <marco@esi.it>
To: Robert Love <rml@tech9.net>
Cc: linux-kernel@vger.kernel.org, <akpm@digeo.com>, <riel@conectiva.com.br>
Subject: Re: [PATCH] O_STREAMING - flag for optimal streaming I/O
Date: Wed, 9 Oct 2002 16:10:30 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.44.0210091606000.26363-100000@Megathlon.ESI> (raw)
In-Reply-To: <1034044736.29463.318.camel@phantasy>
On 7 Oct 2002, Robert Love wrote:
> Attached patch implements an O_STREAMING file I/O flag which enables
> manual drop-behind of pages.
[...]
> diff -urN linux-2.4.20-pre9/include/asm-i386/fcntl.h linux/include/asm-i386/fcntl.h
> --- linux-2.4.20-pre9/include/asm-i386/fcntl.h 2002-10-06 14:57:21.000000000 -0400
> +++ linux/include/asm-i386/fcntl.h 2002-10-07 18:45:51.000000000 -0400
> @@ -20,6 +20,7 @@
> #define O_LARGEFILE 0100000
> #define O_DIRECTORY 0200000 /* must be a directory */
> #define O_NOFOLLOW 0400000 /* don't follow links */
> +#define O_STREAMING 04000000 /* streaming access */
^^^^^^^^^^^^^
>
> #define F_DUPFD 0 /* dup */
> #define F_GETFD 1 /* get close_on_exec */
> diff -urN linux-2.4.20-pre9/include/asm-mips/fcntl.h linux/include/asm-mips/fcntl.h
> --- linux-2.4.20-pre9/include/asm-mips/fcntl.h 2002-10-06 14:57:21.000000000 -0400
> +++ linux/include/asm-mips/fcntl.h 2002-10-07 18:45:51.000000000 -0400
> @@ -26,6 +26,7 @@
> #define O_DIRECT 0x8000 /* direct disk access hint */
> #define O_DIRECTORY 0x10000 /* must be a directory */
> #define O_NOFOLLOW 0x20000 /* don't follow links */
> +#define O_STREAMING 0x400000 /* streaming access */
^^^^^^^^^^^^^
>
> #define O_NDELAY O_NONBLOCK
04000000 != 0x400000
or am I missing something?
(do different archs dream of different O_STREAMING values?)
.TM.
--
____/ ____/ /
/ / / Marco Colombo
___/ ___ / / Technical Manager
/ / / ESI s.r.l.
_____/ _____/ _/ Colombo@ESI.it
next prev parent reply other threads:[~2002-10-09 14:05 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-08 2:38 [PATCH] O_STREAMING - flag for optimal streaming I/O Robert Love
2002-10-08 10:42 ` J.A. Magallon
2002-10-08 18:08 ` Robert Love
2002-10-08 18:38 ` Chris Wedgwood
2002-10-08 18:49 ` Robert Love
2002-10-08 19:05 ` Chris Wedgwood
2002-10-08 19:17 ` Robert Love
2002-10-08 19:30 ` Andrew Morton
2002-10-09 14:14 ` Marco Colombo
2002-10-09 16:30 ` kernel
2002-10-08 19:52 ` Chris Wedgwood
2002-10-08 19:59 ` Robert Love
2002-10-08 20:01 ` Chris Wedgwood
2002-10-09 8:33 ` Giuliano Pochini
2002-10-09 8:43 ` Andrew Morton
2002-10-09 10:55 ` Giuliano Pochini
2002-10-09 17:05 ` Mark Mielke
2002-10-09 19:36 ` Giuliano Pochini
2002-10-09 22:24 ` Mark Mielke
2002-10-09 23:20 ` Jamie Lokier
2002-10-10 3:07 ` Mark Mielke
2002-10-10 10:55 ` Helge Hafting
2002-10-10 17:50 ` Mark Mielke
2002-10-10 3:29 ` Erik Andersen
2002-10-10 3:37 ` Robert Love
2002-10-10 13:39 ` Giuliano Pochini
2002-10-10 22:50 ` Mike Fedyk
2002-10-10 22:58 ` Erik Andersen
2002-10-11 8:26 ` Giuliano Pochini
2002-10-11 8:32 ` Helge Hafting
2002-10-10 8:33 ` Giuliano Pochini
2002-10-10 9:10 ` Erik Andersen
2002-10-10 9:38 ` Giuliano Pochini
2002-10-10 10:40 ` Miquel van Smoorenburg
2002-10-10 11:01 ` Helge Hafting
2002-10-10 12:29 ` Xavier Bestel
2002-10-10 13:17 ` Giuliano Pochini
2002-10-10 22:44 ` Mike Fedyk
2002-10-11 8:13 ` Giuliano Pochini
2002-10-10 11:38 ` O_STREAMING has insufficient info - how about fadvise() ? Alan Cox
2002-10-10 11:47 ` William Lee Irwin III
2002-10-10 15:34 ` Andrew Morton
2002-10-10 16:08 ` Alan Cox
2002-10-10 16:49 ` Oliver Xymoron
2002-10-10 15:37 ` [PATCH] O_STREAMING - flag for optimal streaming I/O Gerhard Mack
2002-10-10 22:47 ` Mike Fedyk
2002-10-11 2:14 ` Gerhard Mack
2002-10-11 8:10 ` Chris Wedgwood
2002-10-10 9:14 ` David Lang
2002-10-10 14:51 ` Denis Vlasenko
2002-10-08 19:53 ` Matthias Schniedermeyer
2002-10-08 19:59 ` Chris Wedgwood
2002-10-08 20:03 ` Andrew Morton
2002-10-08 20:34 ` Matthias Schniedermeyer
2002-10-08 20:42 ` Andrew Morton
2002-10-08 20:37 ` Larry McVoy
2002-10-09 11:53 ` Roy Sigurd Karlsbakk
2002-10-09 14:10 ` Marco Colombo [this message]
2002-10-09 14:14 ` Robert Love
2002-10-09 14:33 ` Richard B. Johnson
2002-10-09 15:27 ` Andreas Dilger
2002-10-09 23:17 ` Jamie Lokier
2002-10-09 23:46 ` Rik van Riel
2002-10-10 0:16 ` Jamie Lokier
2002-10-10 2:39 ` Erik Andersen
2002-10-10 10:33 ` Marco Colombo
2002-10-10 20:00 ` Erik Andersen
2002-10-11 4:16 Hank Leininger
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