Messages in this thread | | | Date | Fri, 14 May 2010 22:32:41 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [linux-pm] Is it supposed to be ok to call del_gendisk while userspace is frozen? |
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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.
Alan Stern
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