From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Arjan van de Ven <arjan@infradead.org>
Cc: James Bottomley <James.Bottomley@suse.de>,
Mark Lord <liml@rtr.ca>, Chris Worley <worleys@gmail.com>,
Matthew Wilcox <matthew@wil.cx>, 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: Sun, 16 Aug 2009 20:29:05 +0100 [thread overview]
Message-ID: <20090816202905.59efa611@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20090816083434.2ce69859@infradead.org>
> trim is mostly for ssd's though, and those tend to not have the "goes
> for a hike" behavior as much......
Bench one.
> I wonder if it's worse to batch stuff up, because then the trim itself
> gets bigger and might take longer.....
They seem to implement a sort of async single threaded trim, which can
only have one outstanding trim at a time.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Arjan van de Ven <arjan@infradead.org>
Cc: James Bottomley <James.Bottomley@suse.de>,
Mark Lord <liml@rtr.ca>, Chris Worley <worleys@gmail.com>,
Matthew Wilcox <matthew@wil.cx>, 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: Sun, 16 Aug 2009 20:29:05 +0100 [thread overview]
Message-ID: <20090816202905.59efa611@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20090816083434.2ce69859@infradead.org>
> trim is mostly for ssd's though, and those tend to not have the "goes
> for a hike" behavior as much......
Bench one.
> I wonder if it's worse to batch stuff up, because then the trim itself
> gets bigger and might take longer.....
They seem to implement a sort of async single threaded trim, which can
only have one outstanding trim at a time.
next prev parent reply other threads:[~2009-08-16 19:29 UTC|newest]
Thread overview: 207+ 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 14:37 ` Nitin Gupta
2009-08-12 18:33 ` Peter Zijlstra
2009-08-12 22:13 ` Andrew Morton
2009-08-12 22:48 ` Hugh Dickins
2009-08-12 22:48 ` Hugh Dickins
2009-08-13 2:30 ` Nitin Gupta
2009-08-13 2:30 ` Nitin Gupta
2009-08-13 6:53 ` Peter Zijlstra
2009-08-13 6:53 ` Peter Zijlstra
2009-08-13 14:44 ` Nitin Gupta
2009-08-13 14:44 ` Nitin Gupta
2009-08-13 17:45 ` Hugh Dickins
2009-08-13 17:45 ` Hugh Dickins
2009-08-13 2:41 ` Nitin Gupta
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 5:05 ` Al Boldi
2009-08-13 17:31 ` Nitin Gupta
2009-08-13 17:31 ` Nitin Gupta
2009-08-14 4:02 ` Al Boldi
2009-08-14 4:02 ` Al Boldi
2009-08-14 4:53 ` compcache as a pre-swap area Nitin Gupta
2009-08-14 4:53 ` Nitin Gupta
2009-08-14 15:49 ` Al Boldi
2009-08-14 15:49 ` Al Boldi
2009-08-15 11:00 ` 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 15:13 ` Matthew Wilcox
2009-08-13 15:17 ` david
2009-08-13 15:17 ` david
2009-08-13 15:26 ` Matthew Wilcox
2009-08-13 15:26 ` Matthew Wilcox
2009-08-13 15:43 ` James Bottomley
2009-08-13 15:43 ` James Bottomley
2009-08-13 18:22 ` Ric Wheeler
2009-08-13 18:22 ` Ric Wheeler
2009-08-13 16:13 ` Nitin Gupta
2009-08-13 16:13 ` Nitin Gupta
2009-08-13 16:26 ` Markus Trippelsdorf
2009-08-13 16:26 ` Markus Trippelsdorf
2009-08-13 16:33 ` david
2009-08-13 16:33 ` david
2009-08-13 18:15 ` Greg Freemyer
2009-08-13 18:15 ` Greg Freemyer
2009-08-13 18:15 ` Greg Freemyer
2009-08-13 19:18 ` James Bottomley
2009-08-13 19:18 ` James Bottomley
2009-08-13 20:31 ` Richard Sharpe
2009-08-13 20:31 ` Richard Sharpe
2009-08-13 20:31 ` Richard Sharpe
2009-08-14 22:03 ` Mark Lord
2009-08-14 22:03 ` Mark Lord
2009-08-14 22:54 ` Greg Freemyer
2009-08-14 22:54 ` Greg Freemyer
2009-08-15 13:12 ` Mark Lord
2009-08-15 13:12 ` Mark Lord
2009-08-13 20:44 ` david
2009-08-13 20:44 ` david
2009-08-13 20:54 ` Bryan Donlan
2009-08-13 20:54 ` Bryan Donlan
2009-08-14 22:10 ` Mark Lord
2009-08-14 22:10 ` Mark Lord
2009-08-14 23:21 ` Chris Worley
2009-08-14 23:21 ` Chris Worley
2009-08-14 23:45 ` Matthew Wilcox
2009-08-14 23:45 ` Matthew Wilcox
2009-08-15 0:19 ` Chris Worley
2009-08-15 0:19 ` Chris Worley
2009-08-15 0:30 ` Greg Freemyer
2009-08-15 0:30 ` Greg Freemyer
2009-08-15 0:38 ` Chris Worley
2009-08-15 0:38 ` Chris Worley
2009-08-15 0:38 ` Chris Worley
2009-08-15 1:55 ` Greg Freemyer
2009-08-15 1:55 ` Greg Freemyer
2009-08-15 1:55 ` Greg Freemyer
2009-08-15 13:20 ` Mark Lord
2009-08-15 13:20 ` Mark Lord
2009-08-16 22:52 ` Chris Worley
2009-08-16 22:52 ` Chris Worley
2009-08-17 2:03 ` Mark Lord
2009-08-17 2:03 ` Mark Lord
2009-08-15 12:59 ` James Bottomley
2009-08-15 12:59 ` James Bottomley
2009-08-15 13:22 ` Mark Lord
2009-08-15 13:22 ` Mark Lord
2009-08-15 13:55 ` James Bottomley
2009-08-15 13:55 ` James Bottomley
2009-08-15 17:39 ` jim owens
2009-08-15 17:39 ` jim owens
2009-08-16 17:08 ` Robert Hancock
2009-08-16 17:08 ` Robert Hancock
2009-08-16 14:05 ` Alan Cox
2009-08-16 14:05 ` Alan Cox
2009-08-16 14:16 ` Mark Lord
2009-08-16 14:16 ` Mark Lord
2009-08-16 15:34 ` Arjan van de Ven
2009-08-16 15:34 ` Arjan van de Ven
2009-08-16 15:44 ` Theodore Tso
2009-08-16 15:44 ` Theodore Tso
2009-08-16 17:28 ` Mark Lord
2009-08-16 17:28 ` Mark Lord
2009-08-16 17:28 ` Mark Lord
2009-08-16 17:37 ` Mark Lord
2009-08-16 17:37 ` 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 16:30 ` Bill Davidsen
2009-08-17 16:56 ` jim owens
2009-08-17 16:56 ` jim owens
2009-08-17 17:14 ` Bill Davidsen
2009-08-17 17:14 ` Bill Davidsen
2009-08-17 17:37 ` jim owens
2009-08-17 17:37 ` jim owens
2009-08-16 17:37 ` Mark Lord
2009-08-16 17:37 ` Mark Lord
2009-08-16 17:28 ` Mark Lord
2009-08-16 17:28 ` Mark Lord
2009-08-16 15:52 ` James Bottomley
2009-08-16 15:52 ` James Bottomley
2009-08-16 16:32 ` Mark Lord
2009-08-16 16:32 ` Mark Lord
2009-08-16 16:32 ` Mark Lord
2009-08-16 18:07 ` James Bottomley
2009-08-16 18:07 ` James Bottomley
2009-08-16 18:19 ` Mark Lord
2009-08-16 18:19 ` Mark Lord
2009-08-16 18:19 ` Mark Lord
2009-08-16 18:24 ` James Bottomley
2009-08-16 18:24 ` James Bottomley
2009-08-17 16:37 ` Bill Davidsen
2009-08-17 16:37 ` Bill Davidsen
2009-08-17 16:37 ` Bill Davidsen
2009-08-17 17:08 ` Greg Freemyer
2009-08-17 17:08 ` Greg Freemyer
2009-08-17 17:19 ` James Bottomley
2009-08-17 17:19 ` James Bottomley
2009-08-17 18:16 ` Ric Wheeler
2009-08-17 18:16 ` Ric Wheeler
2009-08-17 18:21 ` Greg Freemyer
2009-08-17 18:21 ` Greg Freemyer
2009-08-17 18:21 ` Greg Freemyer
2009-08-17 19:18 ` James Bottomley
2009-08-17 19:18 ` James Bottomley
2009-08-17 20:19 ` Mark Lord
2009-08-17 20:19 ` Mark Lord
2009-08-17 20:28 ` James Bottomley
2009-08-17 20:28 ` James Bottomley
2009-08-17 20:28 ` Mark Lord
2009-08-17 20:28 ` Mark Lord
2009-08-16 16:59 ` Christoph Hellwig
2009-08-16 16:59 ` Christoph Hellwig
2009-08-17 4:24 ` Douglas Gilbert
2009-08-17 4:24 ` Douglas Gilbert
2009-08-17 13:56 ` James Bottomley
2009-08-17 13:56 ` James Bottomley
2009-08-17 14:10 ` Matthew Wilcox
2009-08-17 14:10 ` Matthew Wilcox
2009-08-17 19:12 ` Christoph Hellwig
2009-08-17 19:12 ` Christoph Hellwig
2009-08-17 19:24 ` James Bottomley
2009-08-17 19:24 ` James Bottomley
2009-08-16 21:50 ` Discard support Roland Dreier
2009-08-16 21:50 ` Roland Dreier
2009-08-16 22:06 ` Jeff Garzik
2009-08-16 22:06 ` Jeff Garzik
2009-08-16 22:06 ` Jeff Garzik
2009-08-16 22:13 ` Theodore Tso
2009-08-16 22:13 ` Theodore Tso
2009-08-16 22:51 ` Mark Lord
2009-08-16 22:51 ` Mark Lord
2009-08-16 22:51 ` Mark Lord
2009-08-16 22:51 ` Mark Lord
2009-08-16 22:51 ` Mark Lord
2009-08-16 19:29 ` Alan Cox [this message]
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
2009-08-16 23:05 ` John Robinson
2009-08-17 2:05 ` Mark Lord
2009-08-17 2:05 ` Mark Lord
2009-08-13 21:28 ` Greg Freemyer
2009-08-13 21:28 ` Greg Freemyer
2009-08-13 22:20 ` Richard Sharpe
2009-08-13 22:20 ` Richard Sharpe
2009-08-13 22:20 ` Richard Sharpe
2009-08-14 0:19 ` Greg Freemyer
2009-08-14 0:19 ` Greg Freemyer
[not found] ` <46b8a8850908131758s781b07f6v2729483c0e50ae7a@mail.gmail.com>
2009-08-14 21:33 ` Greg Freemyer
2009-08-14 21:33 ` Greg Freemyer
2009-08-14 21:56 ` Discard support Roland Dreier
2009-08-14 21:56 ` Roland Dreier
2009-08-14 22:10 ` Greg Freemyer
2009-08-14 22:10 ` Greg Freemyer
2009-08-14 21:33 ` Discard support (was Re: [PATCH] swap: send callback when swap slot is freed) Greg Freemyer
2009-08-14 21:33 ` Greg Freemyer
2009-08-14 21:33 ` Greg Freemyer
2009-08-13 17:19 ` Hugh Dickins
2009-08-13 17:19 ` Hugh Dickins
2009-08-13 18:08 ` Douglas Gilbert
2009-08-13 18:08 ` Douglas Gilbert
2009-08-17 2:55 ` [PATCH] swap: send callback when swap slot is freed KAMEZAWA Hiroyuki
2009-08-17 5:08 ` Nitin Gupta
2009-08-17 5:11 ` KAMEZAWA Hiroyuki
2009-08-22 7:34 ` Nai Xia
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090816202905.59efa611@lxorguk.ukuu.org.uk \
--to=alan@lxorguk.ukuu.org.uk \
--cc=James.Bottomley@suse.de \
--cc=arjan@infradead.org \
--cc=bdonlan@gmail.com \
--cc=david@lang.hm \
--cc=greg.freemyer@gmail.com \
--cc=hugh.dickins@tiscali.co.uk \
--cc=liml@rtr.ca \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-raid@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=markus@trippelsdorf.de \
--cc=matthew@wil.cx \
--cc=mingo@elte.hu \
--cc=ngupta@vflare.org \
--cc=peterz@infradead.org \
--cc=willy@linux.intel.com \
--cc=worleys@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.