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    SubjectRe: [linux-pm] Is it supposed to be ok to call del_gendisk while userspace is frozen?
    Date
    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


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