From: Tejun Heo <tj@kernel.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Anatol Pomozov <anatol.pomozov@gmail.com>,
Cgroups <cgroups@vger.kernel.org>, Jens Axboe <axboe@kernel.dk>,
linux-scsi@vger.kernel.org
Subject: Re: Race condition between "read CFQ stats" and "block device shutdown"
Date: Thu, 26 Sep 2013 10:20:44 -0400 [thread overview]
Message-ID: <20130926142044.GC3482@htj.dyndns.org> (raw)
In-Reply-To: <5244423A.2050107@suse.de>
Hey, Hannes.
On Thu, Sep 26, 2013 at 04:18:34PM +0200, Hannes Reinecke wrote:
> However, none of the modern devices should be using this lock
> switching, so I would just ignore it.
> EG SCSI most definitely doesn't use it.
The kernel is crashing from it, so I don't think ignoring is an
acceptable strategy here.
Thanks.
--
tejun
next prev parent reply other threads:[~2013-09-26 14:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 20:14 Race condition between "read CFQ stats" and "block device shutdown" Anatol Pomozov
[not found] ` <CAOMFOmXJ5ZTYdOvdUt-oxsouhPGRmMshCRhn6AFgmFAGZw5WZA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-04 6:42 ` Hannes Reinecke
[not found] ` <5226D661.7070301-l3A5Bk7waGM@public.gmane.org>
2013-09-04 15:45 ` Anatol Pomozov
[not found] ` <CAOMFOmUCqXN1uaqBEWH3PStuZXvnvLw=YrARgv7DvqO6Y4bFPQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-04 16:07 ` Tejun Heo
[not found] ` <20130904160723.GC26609-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-09-25 20:37 ` Anatol Pomozov
2013-09-26 13:54 ` Tejun Heo
2013-09-26 14:18 ` Hannes Reinecke
2013-09-26 14:20 ` Tejun Heo [this message]
[not found] ` <5244423A.2050107-l3A5Bk7waGM@public.gmane.org>
2013-09-26 16:23 ` Anatol Pomozov
2013-09-26 16:30 ` Tejun Heo
[not found] ` <CAOMFOmX2f35qWyTr7=1HNu=RMB_LMAmpMbYxSEsX1xgURhx_mg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-27 5:59 ` Hannes Reinecke
2013-09-04 16:15 ` Anatol Pomozov
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