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Message-ID: <20140722082716.GA12370@dhcp-26-207.brq.redhat.com> Date: Tue, 22 Jul 2014 10:27:16 +0200 From: Alexander Gordeev <agordeev@...hat.com> To: Jens Axboe <axboe@...nel.dk> Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH] blk-mq: bitmap tag: fix potential unwakeable sleep in bt_get() On Mon, Jul 21, 2014 at 11:11:44AM +0200, Alexander Gordeev wrote: > > 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, I can not recall what was my concern. Sorry for the noise. Thanks! > > -- > > Jens Axboe > > -- Regards, Alexander Gordeev agordeev@...hat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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