From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Justin T. Gibbs" <gibbs@scsiguy.com>
Subject: Re: [PATCH] Fix aic7xxx del_timer_sync() deadlock
Date: Sun, 29 Feb 2004 11:57:34 -0700
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To: Jens Axboe <axboe@suse.de>, Jeff Garzik <jgarzik@pobox.com>
Cc: James Bottomley <James.Bottomley@SteelEye.com>, SCSI Mailing List <linux-scsi@vger.kernel.org>, Andrew Morton <akpm@osdl.org>

>> That would imply that blk_start_queue() is OK when there is no more I/O 
>> pending...
> 
> That is the model. The problem is that you don't have an opportunitty to
> call blk_start_queue() if there's no more IO pending (you typicall do it
> from io completion). There's no problem with doing that.

You just need to schedule a timer to do the blk_start_queue() call.
The point of doing this is so that the delay is deterministic.

--
Justin