From: Daniel Phillips <phillips@phunq.net>
To: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Jens Axboe <jens.axboe@oracle.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: Block device throttling [Re: Distributed storage.]
Date: Tue, 14 Aug 2007 04:35:43 -0700 [thread overview]
Message-ID: <200708140435.44979.phillips@phunq.net> (raw)
In-Reply-To: <20070814113039.GA20780@2ka.mipt.ru>
On Tuesday 14 August 2007 04:30, Evgeniy Polyakov wrote:
> > And it will not solve the deadlock problem in general. (Maybe it
> > works for your virtual device, but I wonder...) If the virtual
> > device allocates memory during generic_make_request then the memory
> > needs to be throttled.
>
> Daniel, if device process bio by itself, it has a limit and thus it
> will wait in generic_make_request()
What will make it wait?
next prev parent reply other threads:[~2007-08-14 11:35 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-31 17:13 Distributed storage Evgeniy Polyakov
2007-08-02 21:08 ` Daniel Phillips
2007-08-03 10:26 ` Evgeniy Polyakov
2007-08-03 10:57 ` Evgeniy Polyakov
2007-08-03 12:27 ` Peter Zijlstra
2007-08-03 13:49 ` Evgeniy Polyakov
2007-08-03 14:53 ` Peter Zijlstra
2007-08-03 19:48 ` Daniel Phillips
2007-08-03 19:41 ` Daniel Phillips
2007-08-04 1:19 ` Daniel Phillips
2007-08-04 16:37 ` Evgeniy Polyakov
2007-08-05 8:04 ` Daniel Phillips
2007-08-05 15:08 ` Evgeniy Polyakov
2007-08-05 21:23 ` Daniel Phillips
2007-08-06 8:25 ` Evgeniy Polyakov
2007-08-07 12:05 ` Jens Axboe
2007-08-07 18:24 ` Daniel Phillips
2007-08-07 20:55 ` Jens Axboe
2007-08-08 9:54 ` Block device throttling [Re: Distributed storage.] Evgeniy Polyakov
2007-08-08 10:17 ` [1/1] " Evgeniy Polyakov
2007-08-08 13:28 ` Evgeniy Polyakov
2007-08-12 23:16 ` Daniel Phillips
2007-08-13 8:18 ` Evgeniy Polyakov
2007-08-27 21:57 ` Daniel Phillips
2007-08-13 5:22 ` Daniel Phillips
2007-08-13 5:36 ` Daniel Phillips
2007-08-13 6:44 ` Daniel Phillips
2007-08-13 8:14 ` Evgeniy Polyakov
2007-08-13 11:04 ` Daniel Phillips
2007-08-13 12:04 ` Evgeniy Polyakov
2007-08-13 12:18 ` Daniel Phillips
2007-08-13 12:24 ` Evgeniy Polyakov
2007-08-13 8:23 ` Evgeniy Polyakov
2007-08-13 11:18 ` Daniel Phillips
2007-08-13 12:18 ` Evgeniy Polyakov
2007-08-13 13:04 ` Daniel Phillips
2007-08-14 8:46 ` Evgeniy Polyakov
2007-08-14 11:13 ` Daniel Phillips
2007-08-14 11:30 ` Evgeniy Polyakov
2007-08-14 11:35 ` Daniel Phillips [this message]
2007-08-14 11:50 ` Evgeniy Polyakov
2007-08-14 12:32 ` Daniel Phillips
2007-08-14 12:46 ` Evgeniy Polyakov
2007-08-14 12:54 ` Daniel Phillips
2007-08-12 23:36 ` Distributed storage Daniel Phillips
2007-08-13 7:28 ` Jens Axboe
2007-08-13 7:45 ` Jens Axboe
2007-08-13 9:08 ` Daniel Phillips
2007-08-13 9:13 ` Jens Axboe
2007-08-13 9:55 ` Daniel Phillips
2007-08-13 10:06 ` Jens Axboe
2007-08-13 10:15 ` Daniel Phillips
2007-08-13 10:22 ` Jens Axboe
2007-08-13 10:32 ` Daniel Phillips
2007-08-13 9:18 ` Evgeniy Polyakov
2007-08-13 10:12 ` Daniel Phillips
2007-08-13 11:03 ` Evgeniy Polyakov
2007-08-13 11:45 ` Daniel Phillips
2007-08-13 8:59 ` Daniel Phillips
2007-08-13 9:12 ` Jens Axboe
2007-08-13 23:27 ` Daniel Phillips
2007-08-03 4:09 ` Mike Snitzer
2007-08-03 10:42 ` Evgeniy Polyakov
2007-08-04 0:49 ` Daniel Phillips
2007-08-03 5:04 ` Manu Abraham
2007-08-03 10:44 ` Evgeniy Polyakov
2007-08-04 2:51 ` Dave Dillow
2007-08-04 3:44 ` Manu Abraham
2007-08-04 17:03 ` Evgeniy Polyakov
2007-08-04 0:41 ` Daniel Phillips
2007-08-04 16:44 ` Evgeniy Polyakov
2007-08-05 8:06 ` Daniel Phillips
2007-08-05 15:01 ` Evgeniy Polyakov
2007-08-05 21:35 ` Daniel Phillips
2007-08-06 8:28 ` Evgeniy Polyakov
[not found] ` <200708281027.59528.phillips@phunq.net>
[not found] ` <20070828175403.GA28440@2ka.mipt.ru>
[not found] ` <200708281408.06618.phillips@phunq.net>
2007-08-29 8:53 ` [1/1] Block device throttling [Re: Distributed storage.] Evgeniy Polyakov
2007-08-30 23:20 ` Daniel Phillips
2007-08-31 17:33 ` Evgeniy Polyakov
2007-08-31 21:41 ` Alasdair G Kergon
2007-09-02 4:42 ` Daniel Phillips
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