From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Nick Piggin <piggin@cyberone.com.au>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: blk_congestion_wait racy?
Date: Tue, 9 Mar 2004 18:54:44 +0100 [thread overview]
Message-ID: <OFAAC6B1AC.5886C5F2-ONC1256E52.0061A30B-C1256E52.0062656E@de.ibm.com> (raw)
Hi Nick,
> Another problem is that if there are no requests anywhere in the system,
> sleepers in blk_congestion_wait will not get kicked. blk_congestion_wait
> could probably have blk_run_queues moved after prepare_to_wait, which
> might help.
I tried putting blk_run_queues after prepare_to_wait, it worked but it
didn't help. The test still needs close to a minute.
blue skies,
Martin
Linux/390 Design & Development, IBM Deutschland Entwicklung GmbH
Schonaicherstr. 220, D-71032 Boblingen, Telefon: 49 - (0)7031 - 16-2247
E-Mail: schwidefsky@de.ibm.com
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next reply other threads:[~2004-03-09 17:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-09 17:54 Martin Schwidefsky [this message]
2004-03-10 5:23 ` Nick Piggin
2004-03-10 5:35 ` Andrew Morton
2004-03-10 5:47 ` Nick Piggin
-- strict thread matches above, loose matches on Subject: below --
2004-03-11 19:04 Martin Schwidefsky
2004-03-11 23:25 ` Andrew Morton
2004-03-12 2:31 ` Nick Piggin
2004-03-11 18:24 Martin Schwidefsky
2004-03-11 18:55 ` Andrew Morton
2004-03-08 13:38 Martin Schwidefsky
2004-03-08 23:50 ` Nick Piggin
2004-03-08 9:59 Martin Schwidefsky
2004-03-08 12:24 ` Andrew Morton
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