linux-kernel - Re: [RFC][PATCH v4] readahead: introduce O_RANDOM for POSIX_FADV

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Message-Id: <20100105132824.e6c0fb7f.sfr@canb.auug.org.au>
Date:	Tue, 5 Jan 2010 13:28:24 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Quentin Barnes <qbarnes+nfs@...oo-inc.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Nick Piggin <npiggin@...e.de>,
	Steven Whitehouse <swhiteho@...hat.com>,
	David Howells <dhowells@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Jonathan Corbet <corbet@....net>
Subject: Re: [RFC][PATCH v4] readahead: introduce O_RANDOM for
 POSIX_FADV_RANDOM

Hi Fengguang,

On Tue, 5 Jan 2010 10:26:50 +0800 Wu Fengguang <fengguang.wu@...el.com> wrote:
>
> Where is it? I cannot grep find one in arch/.
> There is one defined in include/asm-generic/fcntl.h:
> 
> #ifndef O_SYNC
> #define __O_SYNC        04000000
> #define O_SYNC          (__O_SYNC|O_DSYNC)
> #endif
> 
> However it has one less '0' :)

Search for 0x800000 ...

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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