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From: Andrew Morton <akpm@osdl.org>
To: Mingming Cao <cmm@us.ibm.com>
Cc: sct@redhat.com, pbadari@us.ibm.com, linux-kernel@vger.kernel.org,
	ext2-devel@lists.sourceforge.net
Subject: Re: [PATCH 2/3] ext3 reservation allow turn off for specifed file
Date: Mon, 18 Oct 2004 16:42:18 -0700	[thread overview]
Message-ID: <20041018164218.70fb08d3.akpm@osdl.org> (raw)
In-Reply-To: <1098140129.9754.1064.camel@w-ming2.beaverton.ibm.com>

Mingming Cao <cmm@us.ibm.com> wrote:
>
> Allow user shut down reservation-based allocation(using ioctl) on a specific file(e.g. for seeky random write).

Applications currently pass a seeky-access hint into the kernel via
posix_fadvise(POSIX_FADV_RANDOM).  It would be nice to hook into that
rather than adding an ext3-specific ioctl.  Maybe just peeking at
file->f_ra.ra_pages would suffice.


  reply	other threads:[~2004-10-18 23:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-15 13:27 Ext3 -mm reservations code: is this fix really correct? Stephen C. Tweedie
2004-10-15 16:01 ` [Ext2-devel] " mingming cao
2004-10-15 16:40   ` Stephen C. Tweedie
2004-10-15 20:29     ` mingming cao
2004-10-15 22:20       ` Stephen C. Tweedie
2004-10-15 22:34         ` mingming cao
2004-10-18 22:55           ` [PATCH 2/3] ext3 reservation allow turn off for specifed file Mingming Cao
2004-10-18 23:42             ` Andrew Morton [this message]
2004-10-19  1:01               ` Mingming Cao
2004-10-20 17:55                 ` Ray Lee
2004-10-25 20:33                   ` [Ext2-devel] " Mingming Cao
2004-10-25 23:05                     ` Mingming Cao
2004-10-25 23:45                       ` Andrew Morton
2004-10-26 16:53                         ` Mingming Cao
2004-10-26 20:18                           ` Andrew Morton
2004-10-26 23:01                             ` Mingming Cao

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