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Date: Wed, 24 Jul 2002 14:43:53 +0200 (MET DST)
From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: <martin@dalecki.de>
cc: <axboe@suse.de>, <linux-kernel@vger.kernel.org>
Subject: Re: please DON'T run 2.5.27 with IDE!
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On Wed, 24 Jul 2002, Marcin Dalecki wrote:

> [root@localhost block]# grep \>special *.c
> elevator.c:         !rq->waiting && !rq->special)
> ^^^^^^ This one is supposed to have the required barrier effect.

Go reread, no barrier effect, requests can slip in before your
REQ_SPECIAL. They cannon only be merged with REQ_SPECIAL.

Regards
--
Bartlomiej

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