From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
Quentin Barnes <qbarnes+nfs@yahoo-inc.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
Nick Piggin <npiggin@suse.de>,
Steven Whitehouse <swhiteho@redhat.com>,
David Howells <dhowells@redhat.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [RFC][PATCH v4] readahead: introduce O_RANDOM for POSIX_FADV_RANDOM
Date: Tue, 5 Jan 2010 13:03:22 +1100 [thread overview]
Message-ID: <20100105130322.006c03ee.sfr@canb.auug.org.au> (raw)
In-Reply-To: <20100104125620.GB12266@localhost>
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On Mon, 4 Jan 2010 20:56:20 +0800 Wu Fengguang <fengguang.wu@intel.com> wrote:
>
> For now I'll use bit 040000000, which happen to equal to
> FMODE_NONOTIFY and will be masked out by __dentry_open()
> in the very beginning.
But also clashes with __O_SYNC on sparc, sorry. I am not sure how we are
meant to reasonably choose these values any more ...
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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next prev parent reply other threads:[~2010-01-05 2:03 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-25 0:07 [RFC][PATCH] Disabling read-ahead makes I/O of large reads small Quentin Barnes
2009-12-29 18:04 ` Andi Kleen
2009-12-30 5:15 ` Wu Fengguang
2009-12-30 5:17 ` [RFC][PATCH 1/2] readahead: replace ra->mmap_miss with ra->flags Wu Fengguang
2009-12-30 5:24 ` [RFC][PATCH 2/2] readahead: avoid page-by-page reads on POSIX_FADV_RANDOM Wu Fengguang
2009-12-30 18:02 ` Andi Kleen
2009-12-31 1:39 ` Wu Fengguang
2009-12-31 2:53 ` Wu Fengguang
2009-12-31 3:03 ` Wu Fengguang
2009-12-31 4:31 ` [RFC][PATCH v2] readahead: introduce O_RANDOM_READ for POSIX_FADV_RANDOM Wu Fengguang
2010-01-08 13:08 ` Christoph Hellwig
2010-01-09 13:59 ` Wu Fengguang
2010-01-09 14:01 ` Wu Fengguang
2010-01-04 4:50 ` [RFC][PATCH v3] readahead: introduce O_RANDOM " Wu Fengguang
2010-01-04 5:17 ` Stephen Rothwell
2010-01-04 7:33 ` Christoph Hellwig
2010-01-04 12:56 ` [RFC][PATCH v4] " Wu Fengguang
2010-01-05 2:03 ` Stephen Rothwell [this message]
2010-01-05 2:26 ` Wu Fengguang
2010-01-05 2:28 ` Stephen Rothwell
2010-01-05 2:45 ` Wu Fengguang
2010-01-05 5:21 ` Eric Paris
2010-01-05 3:18 ` [RFC][PATCH v5] " Wu Fengguang
2010-01-05 3:27 ` Wu Fengguang
2010-01-04 16:50 ` [RFC][PATCH v3] " Quentin Barnes
2010-01-04 18:57 ` Andreas Dilger
2010-01-04 5:20 ` Minchan Kim
2010-01-04 12:16 ` Wu Fengguang
2010-01-05 1:46 ` Minchan Kim
2010-01-05 2:16 ` Wu Fengguang
2010-01-05 3:40 ` Minchan Kim
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