linux-kernel - Re: multi-second application stall in open()

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Message-ID: <20120627173822.GK15811@google.com>
Date:	Wed, 27 Jun 2012 10:38:22 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Josh Hunt <joshhunt00@...il.com>
Cc:	Vivek Goyal <vgoyal@...hat.com>, Jens Axboe <axboe@...nel.dk>,
	linux-kernel@...r.kernel.org
Subject: Re: multi-second application stall in open()

On Wed, Jun 27, 2012 at 12:21:32PM -0500, Josh Hunt wrote:
> Was wondering if you had any suggestions on further instrumentation or
> more data that you may need to better understand the problem?

I think it's caused by the lazy HIGHPRI implementation in wq.  Working
on it now.

Thanks.

-- 
tejun
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