From: Jens Axboe <jens.axboe@oracle.com>
To: Vasily Tarasov <vtaras@openvz.org>
Cc: LKML <linux-kernel@vger.kernel.org>, OVZDL <devel@openvz.org>
Subject: Re: [PATCH] cfq: get rid of cfqq hash
Date: Wed, 25 Apr 2007 08:58:22 +0200 [thread overview]
Message-ID: <20070425065822.GG9715@kernel.dk> (raw)
In-Reply-To: <1177422791.435404.4031.nullmailer@me>
On Tue, Apr 24 2007, Vasily Tarasov wrote:
> @@ -1806,7 +1765,11 @@ static int cfq_may_queue(request_queue_t
> * so just lookup a possibly existing queue, or return 'may queue'
> * if that fails
> */
> - cfqq = cfq_find_cfq_hash(cfqd, key, tsk->ioprio);
> + cic = cfq_get_io_context_noalloc(cfqd, tsk);
> + if (!cic)
> + return ELV_MQUEUE_MAY;
> +
> + cfqq = cic->cfqq[rw & REQ_RW_SYNC];
> if (cfqq) {
> cfq_init_prio_data(cfqq);
> cfq_prio_boost(cfqq);
Ahem, how well did you test this patch?
--
Jens Axboe
next prev parent reply other threads:[~2007-04-25 6:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-24 13:53 [PATCH] cfq: get rid of cfqq hash Vasily Tarasov
2007-04-24 17:02 ` Jens Axboe
2007-04-24 17:22 ` Jens Axboe
2007-04-24 18:29 ` Jens Axboe
2007-04-24 18:33 ` Jens Axboe
2007-04-25 11:31 ` Vasily Tarasov
2007-04-25 6:58 ` Jens Axboe [this message]
2007-04-25 7:27 ` Jens Axboe
2007-04-25 11:50 ` Vasily Tarasov
2007-04-25 7:57 ` Jens Axboe
2007-04-25 10:27 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2007-04-24 11:53 Vasily Tarasov
2007-04-24 12:27 ` Jens Axboe
2007-04-24 12:51 ` Vasily Tarasov
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