From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Alan Stern <stern@rowland.harvard.edu>,
Jens Axboe <jens.axboe@oracle.com>
Cc: Matt Reimer <mattjreimer@gmail.com>,
"linux-kernel" <linux-kernel@vger.kernel.org>,
Maxim Levitsky <maximlevitsky@gmail.com>,
"linux-pm" <linux-pm@lists.linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Pavel Machek <pavel@ucw.cz>
Subject: Re: [linux-pm] Is it supposed to be ok to call del_gendisk while userspace is frozen?
Date: Sat, 15 May 2010 22:30:10 +0200 [thread overview]
Message-ID: <201005152230.10230.rjw@sisk.pl> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1005142231390.11498-100000@netrider.rowland.org>
On Saturday 15 May 2010, Alan Stern wrote:
> On Thu, 13 May 2010, Matt Reimer wrote:
>
> > > I don't see anything wrong with the patch itself, but I dislike the
> > > description. Devices can come and go from any hotpluggable bus, not
> > > just MMC/SD. That just happens to be the first place the problem was
> > > observed.
> >
> > Good point. How about this?
> >
> > Matt
> >
> > From 813bd223e5a2fa577b9e64ddf12654a93d0aab8b Mon Sep 17 00:00:00 2001
> > From: Matt Reimer <mreimer@sdgsystems.com>
> > Date: Thu, 13 May 2010 14:36:54 -0700
> > Subject: [PATCH] fs: prevent hang on suspend/resume when MMC/SD card present
> >
> > Devices can come and go bus during suspend or resume, when the
> > writeback thread is frozen, resulting in a hang. Prevent the hang
> > by thawing the writeback thread in del_gendisk().
>
> I would have said "the block layer's writeback thread", but this is
> okay.
OK, so now I have a question who's going to take the patch.
Jens, what's your opinion?
Rafael
next prev parent reply other threads:[~2010-05-15 23:41 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-13 13:29 Is it supposed to be ok to call del_gendisk while userspace is frozen? Maxim Levitsky
2010-02-15 16:00 ` Maxim Levitsky
2010-02-15 21:04 ` Rafael J. Wysocki
2010-02-16 16:27 ` [linux-pm] " Alan Stern
2010-02-20 22:22 ` Maxim Levitsky
2010-02-23 12:33 ` Jens Axboe
2010-02-23 15:29 ` Alan Stern
2010-02-23 15:58 ` Jens Axboe
2010-02-23 16:33 ` Alan Stern
2010-02-23 22:16 ` Jens Axboe
2010-02-24 15:59 ` Alan Stern
2010-02-24 19:12 ` Jens Axboe
2010-02-24 20:19 ` Alan Stern
2010-02-23 16:42 ` Testing for dirty buffers on a block device Alan Stern
2010-02-23 22:13 ` Jens Axboe
2010-02-24 15:51 ` Alan Stern
2010-02-24 19:09 ` Jens Axboe
2010-02-24 20:09 ` Alan Stern
2010-02-25 8:20 ` Jens Axboe
2010-02-25 22:19 ` Dave Chinner
2010-03-01 6:35 ` [linux-pm] Is it supposed to be ok to call del_gendisk while userspace is frozen? Pavel Machek
2010-03-01 15:23 ` Alan Stern
2010-03-03 21:50 ` Pavel Machek
2010-03-03 22:23 ` Alan Stern
2010-03-04 0:23 ` Rafael J. Wysocki
2010-03-04 2:48 ` Alan Stern
2010-03-04 19:26 ` Rafael J. Wysocki
2010-03-04 19:36 ` Alan Stern
2010-03-04 20:04 ` Rafael J. Wysocki
2010-03-04 20:15 ` Pavel Machek
2010-04-22 23:40 ` Matt Reimer
2010-04-23 5:17 ` Rafael J. Wysocki
2010-05-11 23:55 ` Matt Reimer
2010-05-12 14:50 ` Alan Stern
2010-05-13 21:44 ` Matt Reimer
2010-05-13 21:54 ` Alan Stern
2010-05-13 22:20 ` Matt Reimer
2010-05-13 22:47 ` Nigel Cunningham
2010-05-15 2:37 ` Alan Stern
2010-05-15 2:53 ` Nigel Cunningham
2010-05-16 19:35 ` Rafael J. Wysocki
2010-05-15 2:32 ` Alan Stern
2010-05-15 20:30 ` Rafael J. Wysocki [this message]
2010-05-16 7:49 ` Nigel Cunningham
2010-05-16 19:38 ` Rafael J. Wysocki
2010-05-16 21:32 ` Nigel Cunningham
2010-05-17 2:22 ` Alan Stern
2010-05-17 7:45 ` Nigel Cunningham
2010-05-17 20:35 ` Rafael J. Wysocki
2010-05-17 22:51 ` Nigel Cunningham
2010-05-18 19:43 ` Rafael J. Wysocki
2010-05-18 20:06 ` Alan Stern
2010-05-24 19:02 ` Pavel Machek
2010-05-24 21:21 ` Nigel Cunningham
2010-03-04 13:53 ` Pavel Machek
2010-06-04 11:20 ` Maxim Levitsky
2010-06-04 14:59 ` Alan Stern
2010-06-04 15:19 ` Maxim Levitsky
2010-06-04 17:52 ` Alan Stern
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