From: Nigel Cunningham <ncunningham@linuxmail.org>
To: David Chinner <dgc@sgi.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Pavel Machek <pavel@ucw.cz>,
Andrew Morton <akpm@osdl.org>,
LKML <linux-kernel@vger.kernel.org>,
xfs@oss.sgi.com
Subject: Re: [PATCH] Freeze bdevs when freezing processes.
Date: Thu, 26 Oct 2006 19:18:57 +1000 [thread overview]
Message-ID: <1161854338.17293.25.camel@nigel.suspend2.net> (raw)
In-Reply-To: <20061026085700.GI8394166@melbourne.sgi.com>
Hi.
On Thu, 2006-10-26 at 18:57 +1000, David Chinner wrote:
> I didn't think we've ever done that - periodic or delayed operations
> are passed off to the kernel threads to execute. A stack trace
> (if you still have it) would be really help here.
I don't, but I know how to get it again. Will give it a go shortly.
> Hmmm - we have a couple of per-cpu work queues as well that are
> used on I/O completion and that can, in some circumstances,
> trigger new transactions. If we are only flush metadata, then
> I don't think that any more I/o will be issued, but I could be
> wrong (maze of twisty passages).
I can understand that. I'm trying to learn Xgl programming at the mo :)
Nigel
next prev parent reply other threads:[~2006-10-26 9:20 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1161576735.3466.7.camel@nigel.suspend2.net>
[not found] ` <200610231236.54317.rjw@sisk.pl>
2006-10-24 14:44 ` [PATCH] Freeze bdevs when freezing processes David Chinner
2006-10-24 15:29 ` Rafael J. Wysocki
2006-10-24 16:27 ` Oleg Verych
2006-10-25 8:05 ` Pavel Machek
2006-10-24 16:33 ` David Chinner
2006-10-24 21:37 ` Pavel Machek
2006-10-25 0:13 ` David Chinner
2006-10-25 8:10 ` Pavel Machek
2006-10-25 8:38 ` David Chinner
2006-10-25 8:47 ` Pavel Machek
2006-10-25 12:32 ` Rafael J. Wysocki
2006-10-25 13:23 ` Nigel Cunningham
[not found] ` <200610252105.56862.rjw@sisk.pl>
2006-10-26 7:30 ` David Chinner
2006-10-26 8:18 ` Nigel Cunningham
2006-10-26 8:48 ` Rafael J. Wysocki
2006-10-26 8:57 ` David Chinner
2006-10-26 9:11 ` Rafael J. Wysocki
2006-10-27 1:38 ` David Chinner
2006-10-27 14:37 ` Rafael J. Wysocki
2006-10-29 17:35 ` Pavel Machek
[not found] ` <200610300029.25555.rjw@sisk.pl>
2006-10-29 23:46 ` Nigel Cunningham
2006-10-26 9:18 ` Nigel Cunningham [this message]
2006-10-26 9:08 ` Rafael J. Wysocki
2006-10-24 17:06 ` Christoph Hellwig
2006-10-24 21:26 ` Pavel Machek
2006-10-24 21:33 ` Christoph Hellwig
2006-10-24 21:43 ` Pavel Machek
2006-10-24 22:19 ` Nigel Cunningham
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