From: Mark Lord <lkml@rtr.ca>
To: Tejun Heo <htejun@gmail.com>
Cc: axboe@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] blk: fix possible queue stall in blk_do_ordered
Date: Thu, 12 Jan 2006 11:09:04 -0500 [thread overview]
Message-ID: <43C67F20.30300@rtr.ca> (raw)
In-Reply-To: <20060112152949.GA9855@htj.dyndns.org>
Tejun Heo wrote:
> Previously, if a fs request which was being drained failed and got
> requeued, blk_do_ordered() didn't allow it to be reissued, which
> causes queue stall. This patch makes blk_do_ordered() use the
> sequence of each request to determine whether a request can be issued
> or not. This fixes the bug and simplifies code.
What kernel(s) is this against? The patch seems to fail on 2.6.15.
Thanks
next prev parent reply other threads:[~2006-01-12 16:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 15:29 [PATCH] blk: fix possible queue stall in blk_do_ordered Tejun Heo
2006-01-12 16:09 ` Mark Lord [this message]
2006-01-12 16:26 ` Tejun Heo
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