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From: Tejun Heo <tj@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	Paul Mackerras <paulus@ozlabs.org>,
	linux-scsi@vger.kernel.org
Subject: Re: Bugs in multipath scsi in 4.3-rc2
Date: Wed, 30 Sep 2015 17:53:03 -0400	[thread overview]
Message-ID: <20150930215303.GI2627@mtj.duckdns.org> (raw)
In-Reply-To: <20150930151449.GC26299@lst.de>

Hello, Christoph.

On Wed, Sep 30, 2015 at 05:14:49PM +0200, Christoph Hellwig wrote:
> The problem is that async probing deadlocks vs a synchronous
> request_module, as Tejun figured out based on the thrad in
> http://thread.gmane.org/gmane.linux.kernel/1420814
> 
> Tejun, if I understand the thread and your patch right there really
> isn't any good altenative to a synchronous request_module, and you
> thus disabled autoloading elevator modules, right?

Yeap, that's right.  IIRC, the conclusion was "let's not do that".

Thanks.

-- 
tejun

  reply	other threads:[~2015-09-30 21:53 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-25 12:16 Bugs in multipath scsi in 4.3-rc2 Paul Mackerras
2015-09-25 15:18 ` Christoph Hellwig
2015-09-25 17:31   ` James Bottomley
2015-09-30 15:14     ` Christoph Hellwig
2015-09-30 21:53       ` Tejun Heo [this message]
2015-09-30 22:34         ` James Bottomley
2015-10-02 12:56           ` Christoph Hellwig
2015-10-02 13:25             ` James Bottomley
2015-10-02 13:34               ` Christoph Hellwig
2015-10-02 13:44                 ` James Bottomley
2015-10-04  7:45                   ` Christoph Hellwig
2015-10-12 12:45                     ` Hannes Reinecke
2015-10-12 14:39                       ` Christoph Hellwig
2015-10-12 19:29                         ` Mike Snitzer
2015-10-12 19:36                           ` Christoph Hellwig
2015-10-13  6:00                             ` Hannes Reinecke
2015-10-13 11:52                               ` Christoph Hellwig
2015-10-12 14:51                       ` James Bottomley
2015-10-01  4:34       ` Paul Mackerras
2015-10-02 12:52         ` Christoph Hellwig
2015-10-08  4:59           ` Paul Mackerras
2015-09-25 16:28 ` Bart Van Assche

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