Messages in this thread | | | Date | Mon, 21 Jul 2014 11:11:45 +0200 | From | Alexander Gordeev <> | Subject | Re: [PATCH] blk-mq: bitmap tag: fix potential unwakeable sleep in bt_get() |
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On Mon, Jul 21, 2014 at 10:34:20AM +0200, Jens Axboe wrote: > On 2014-07-21 10:32, Alexander Gordeev wrote: > >On Mon, Jul 21, 2014 at 10:16:54AM +0200, Jens Axboe wrote: > >>What is this patch against? > > > >v3.16-rc5 > > My bad, was looking at the wrong sources. What is the race? If the > clear and wakeup come in after the prepare_to_wait() but before the > io_schedule(), the io_schedule() will be a no-op and it wont > actually sleep. Your commit message doesn't mention any particular > details.
Let me examine the code.. It was few weeks ago and I can not remember what was that. And the changelog does not help :)
> > -- > Jens Axboe >
-- Regards, Alexander Gordeev agordeev@redhat.com
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