Date: Thu, 10 Nov 2005 08:52:53 +0100
From: Jens Axboe <axboe@suse.de>
To: Tejun Heo <htejun@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] blk: implement elv_drain_elevator
Message-ID: <20051110075253.GS3699@suse.de>
References: <20051109173257.GD24115@htj.dyndns.org>
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On Thu, Nov 10 2005, Tejun Heo wrote:
> This patch adds request_queue->nr_sorted which keeps the number of
> requests in the iosched and implement elv_drain_elevator which
> performs forced dispatching.  elv_drain_elevator checks whether
> iosched actually dispatches all requests it has and prints error
> message if it doesn't.  As buggy forced dispatching can result in
> wrong barrier operations, I think this extra check is worthwhile.

Yeah I agree, especially as it's potentially data integrity violating
with this kind of bug. Applied.

-- 
Jens Axboe

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