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
Date: Thu, 10 Nov 2005 08:52:53 +0100 [thread overview]
Message-ID: <20051110075253.GS3699@suse.de> (raw)
In-Reply-To: <20051109173257.GD24115@htj.dyndns.org>
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
prev parent reply other threads:[~2005-11-10 7:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-09 17:32 [PATCH] blk: implement elv_drain_elevator Tejun Heo
2005-11-10 7:52 ` Jens Axboe [this message]
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