From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <prvs=56915ec98=Bart.VanAssche@wdc.com>
From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "tj@kernel.org" <tj@kernel.org>
CC: "hch@lst.de" <hch@lst.de>, "linux-block@vger.kernel.org"
	<linux-block@vger.kernel.org>, "axboe@kernel.dk" <axboe@kernel.dk>
Subject: Re: [PATCH v2] blk-mq: Fix race between resetting the timer and
 completion handling
Date: Wed, 7 Feb 2018 19:03:56 +0000
Message-ID: <1518030233.2870.57.camel@wdc.com>
References: <20180207011133.25957-1-bart.vanassche@wdc.com>
	 <20180207170612.GB695913@devbig577.frc2.facebook.com>
In-Reply-To: <20180207170612.GB695913@devbig577.frc2.facebook.com>
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
List-ID: <linux-block@vger.kernel.org>
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