linux-kernel - Re: [PATCH] cfq-iosched: Fixed boot warning with BLK_CGROUP=y and CFQ_GROUP

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Message-ID: <20100620081016.GA5365@elte.hu>
Date:	Sun, 20 Jun 2010 10:10:16 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Jens Axboe <axboe@...nel.dk>, Divyesh Shah <dpshah@...gle.com>
Subject: Re: [PATCH] cfq-iosched: Fixed boot warning with BLK_CGROUP=y and
 CFQ_GROUP_IOSCHED=n


* Vivek Goyal <vgoyal@...hat.com> wrote:

> Hi Jens,
> 
> Few days back Ingo noticed a CFQ boot time warning. This patch fixes it.

Hm, have you tested it? This bit:

> +++ linux-2.6/block/cfq.h	2010-06-18 09:41:23.256220395 -0400

> +static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, uint64_t start_time, uint64_t io_start_time, bool direction, bool sync)
> +{
> +	cfq_blkiocg_update_completion_stats(blkg, start_time, io_start_time,
> +				direction, sync);
> +}

is an inline function calling itself.

	Ingo
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