From: James Bottomley <James.Bottomley@suse.de>
To: Christoph Hellwig <hch@infradead.org>
Cc: Matthew Wilcox <matthew@wil.cx>,
Arjan van de Ven <arjan@infradead.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Mark Lord <liml@rtr.ca>,
Chris Worley <worleys@gmail.com>,
Bryan Donlan <bdonlan@gmail.com>,
david@lang.hm, Greg Freemyer <greg.freemyer@gmail.com>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
Matthew Wilcox <willy@linux.intel.com>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Nitin Gupta <ngupta@vflare.org>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: Discard support (was Re: [PATCH] swap: send callback when swap slot is freed)
Date: Mon, 17 Aug 2009 19:24:02 +0000 [thread overview]
Message-ID: <1250537042.7858.46.camel@mulgrave.site> (raw)
In-Reply-To: <20090817191250.GA1816@infradead.org>
On Mon, 2009-08-17 at 15:12 -0400, Christoph Hellwig wrote:
> On Mon, Aug 17, 2009 at 08:10:38AM -0600, Matthew Wilcox wrote:
> > On Mon, Aug 17, 2009 at 08:56:12AM -0500, James Bottomley wrote:
> > > The testing was initially done to see if the initial maximal discard
> > > proposal from LSF09 was a viable approach (which it wasn't given the
> > > time taken to UNMAP).
> >
> > It would be nice if that feedback could be made public instead of it
> > leaking out in dribs and drabs like this.
>
> Yeah, I don't remember hearing about anything like this either.
Well you were both in #storage when it got discussed on 4 May. However,
I'm hopeful that the array vendors will make a more direct statement of
the capabilities shortly.
James
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next prev parent reply other threads:[~2009-08-17 19:24 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-12 14:37 [PATCH] swap: send callback when swap slot is freed Nitin Gupta
2009-08-12 22:48 ` Hugh Dickins
2009-08-13 2:30 ` Nitin Gupta
2009-08-13 6:53 ` Peter Zijlstra
2009-08-13 14:44 ` Nitin Gupta
2009-08-13 17:45 ` Hugh Dickins
2009-08-13 2:41 ` Nitin Gupta
2009-08-13 5:05 ` compcache as a pre-swap area (was: [PATCH] swap: send callback when swap slot is freed) Al Boldi
2009-08-13 17:31 ` Nitin Gupta
2009-08-14 4:02 ` Al Boldi
2009-08-14 4:53 ` compcache as a pre-swap area Nitin Gupta
2009-08-14 15:49 ` Al Boldi
2009-08-15 11:00 ` Al Boldi
2009-08-13 15:13 ` Discard support (was Re: [PATCH] swap: send callback when swap slot is freed) Matthew Wilcox
2009-08-13 15:17 ` david
2009-08-13 15:26 ` Matthew Wilcox
2009-08-13 15:43 ` James Bottomley
2009-08-13 18:22 ` Ric Wheeler
2009-08-13 16:13 ` Nitin Gupta
2009-08-13 16:26 ` Markus Trippelsdorf
2009-08-13 16:33 ` david
2009-08-13 18:15 ` Greg Freemyer
2009-08-13 19:18 ` James Bottomley
2009-08-13 20:31 ` Richard Sharpe
2009-08-14 22:03 ` Mark Lord
2009-08-14 22:54 ` Greg Freemyer
2009-08-15 13:12 ` Mark Lord
2009-08-13 20:44 ` david
2009-08-13 20:54 ` Bryan Donlan
2009-08-14 22:10 ` Mark Lord
2009-08-14 23:21 ` Chris Worley
2009-08-14 23:45 ` Matthew Wilcox
2009-08-15 0:19 ` Chris Worley
2009-08-15 0:30 ` Greg Freemyer
2009-08-15 0:38 ` Chris Worley
2009-08-15 1:55 ` Greg Freemyer
2009-08-15 13:20 ` Mark Lord
2009-08-16 22:52 ` Chris Worley
2009-08-17 2:03 ` Mark Lord
2009-08-15 12:59 ` James Bottomley
2009-08-15 13:22 ` Mark Lord
2009-08-15 13:55 ` James Bottomley
2009-08-15 17:39 ` jim owens
2009-08-16 17:08 ` Robert Hancock
2009-08-16 14:05 ` Alan Cox
2009-08-16 14:16 ` Mark Lord
2009-08-16 15:34 ` Arjan van de Ven
2009-08-16 15:44 ` Theodore Tso
2009-08-16 17:28 ` Mark Lord
2009-08-16 17:37 ` Mark Lord
2009-08-16 17:37 ` Mark Lord
2009-08-17 16:30 ` Bill Davidsen
2009-08-17 16:56 ` jim owens
2009-08-17 17:14 ` Bill Davidsen
2009-08-17 17:37 ` jim owens
2009-08-16 15:52 ` James Bottomley
2009-08-16 16:32 ` Mark Lord
2009-08-16 18:07 ` James Bottomley
2009-08-16 18:19 ` Mark Lord
2009-08-16 18:24 ` James Bottomley
2009-08-17 16:37 ` Bill Davidsen
2009-08-17 17:08 ` Greg Freemyer
2009-08-17 17:19 ` James Bottomley
2009-08-17 18:16 ` Ric Wheeler
2009-08-17 18:21 ` Greg Freemyer
2009-08-17 19:18 ` James Bottomley
2009-08-17 20:19 ` Mark Lord
2009-08-17 20:28 ` James Bottomley
2009-08-17 20:28 ` Mark Lord
2009-08-16 16:59 ` Christoph Hellwig
2009-08-17 4:24 ` Douglas Gilbert
2009-08-17 13:56 ` James Bottomley
2009-08-17 14:10 ` Matthew Wilcox
2009-08-17 19:12 ` Christoph Hellwig
2009-08-17 19:24 ` James Bottomley [this message]
2009-08-16 21:50 ` Discard support Roland Dreier
2009-08-16 22:06 ` Jeff Garzik
2009-08-16 22:13 ` Theodore Tso
2009-08-16 22:51 ` Mark Lord
2009-08-16 19:29 ` Discard support (was Re: [PATCH] swap: send callback when swap slot is freed) Alan Cox
2009-08-16 23:05 ` John Robinson
2009-08-17 2:05 ` Mark Lord
2009-08-13 21:28 ` Greg Freemyer
2009-08-13 22:20 ` Richard Sharpe
2009-08-14 0:19 ` Greg Freemyer
[not found] ` <46b8a8850908131758s781b07f6v2729483c0e50ae7a@mail.gmail.com>
2009-08-14 21:33 ` Greg Freemyer
2009-08-14 21:56 ` Discard support Roland Dreier
2009-08-14 22:10 ` Greg Freemyer
2009-08-13 17:19 ` Discard support (was Re: [PATCH] swap: send callback when swap slot is freed) Hugh Dickins
2009-08-13 18:08 ` Douglas Gilbert
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