Re: [PATCH 3.13 026/163] block: Fix dev_t minor allocation lifetime
From: Kamal Mostafa
Date: Thu Oct 09 2014 - 17:16:15 EST
On Thu, 2014-10-09 at 15:09 -0600, Jens Axboe wrote:
> On 10/09/2014 03:00 PM, Kamal Mostafa wrote:
> > 18.104.22.168 -stable review patch. If anyone has any objections, please let me know.
> You need this one as well, like I told Greg the other day:
Okay, this one is now queued for 22.214.171.124 also. Thanks Jens!
> commit 46f341ffcfb5d8530f7d1e60f3be06cce6661b62
> Author: Jens Axboe <axboe@xxxxxx>
> Date: Tue Sep 16 13:38:51 2014 -0600
> genhd: fix leftover might_sleep() in blk_free_devt()
> Commit 2da78092 changed the locking from a mutex to a spinlock,
> so we now longer sleep in this context. But there was a leftover
> might_sleep() in there, which now triggers since we do the final
> free from an RCU callback. Get rid of it.
> Reported-by: Pontus Fuchs <pontus.fuchs@xxxxxxxxx>
> Signed-off-by: Jens Axboe <axboe@xxxxxx>
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