From: Jeff Garzik <jgarzik@pobox.com>
To: Jens Axboe <axboe@suse.de>
Cc: "Justin T. Gibbs" <gibbs@scsiguy.com>,
James Bottomley <James.Bottomley@SteelEye.com>,
SCSI Mailing List <linux-scsi@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] Fix aic7xxx del_timer_sync() deadlock
Date: Sat, 28 Feb 2004 18:50:04 -0500 [thread overview]
Message-ID: <4041292C.3090700@pobox.com> (raw)
In-Reply-To: <20040228092512.GD923@suse.de>
Jens Axboe wrote:
> The only nasty right now is that you cannot unconditionally call
> blk_stop_queue(), it requires a manual blk_start_queue() on io
> completion which will only happen if io is pending of course. I just got
> an idea on how to do that properly, I'll make sure it works in any case.
hmmm... I thought the model was to call blk_stop_queue() when you can
accept no more requests, and call blk_start_queue() once you can start
accepting more requests.
That would imply that blk_start_queue() is OK when there is no more I/O
pending...
Jeff
next prev parent reply other threads:[~2004-02-28 23:50 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-27 18:26 [PATCH] Fix aic7xxx del_timer_sync() deadlock James Bottomley
2004-02-27 19:23 ` Justin T. Gibbs
2004-02-27 19:34 ` James Bottomley
2004-02-27 20:50 ` Justin T. Gibbs
2004-02-28 15:39 ` James Bottomley
2004-02-29 19:26 ` Justin T. Gibbs
2004-02-29 21:10 ` James Bottomley
2004-02-29 22:23 ` Justin T. Gibbs
2004-02-29 21:25 ` James Bottomley
2004-02-28 2:40 ` Jeff Garzik
2004-02-28 9:25 ` Jens Axboe
2004-02-28 23:50 ` Jeff Garzik [this message]
2004-02-29 9:13 ` Jens Axboe
2004-02-29 16:21 ` Jeff Garzik
2004-02-29 16:39 ` Jens Axboe
2004-02-29 17:28 ` Jeff Garzik
2004-02-29 17:55 ` Jens Axboe
2004-02-29 18:57 ` Justin T. Gibbs
2004-02-29 19:00 ` Jeff Garzik
2004-02-29 19:28 ` Justin T. Gibbs
2004-02-29 19:37 ` Jeff Garzik
2004-02-29 19:42 ` Justin T. Gibbs
2004-02-29 19:44 ` Jeff Garzik
2004-02-29 20:06 ` Jens Axboe
2004-02-29 20:20 ` Jeff Garzik
2004-02-29 20:27 ` Jens Axboe
2004-02-29 20:28 ` Jeff Garzik
2004-02-29 19:43 ` Jeff Garzik
2004-02-29 20:04 ` Jens Axboe
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