From: Jens Axboe <axboe@kernel.dk>
To: Vladimir Zapolskiy <vz@mleia.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] block: cfq-iosched: fix unused 'cpd_to_cfqgd' function warning
Date: Fri, 19 Jun 2015 10:15:37 -0600 [thread overview]
Message-ID: <55844029.5090002@kernel.dk> (raw)
In-Reply-To: <1434666793-13339-1-git-send-email-vz@mleia.com>
On 06/18/2015 04:33 PM, Vladimir Zapolskiy wrote:
> If CFQ_GROUP_IOSCHED kernel option is not set, a compiler produces the
> following warning:
>
> CC block/cfq-iosched.o
> linux/block/cfq-iosched.c:469:2:
> warning: 'cpd_to_cfqgd' defined but not used [-Wunused-function]
> *cpd_to_cfqgd(struct blkcg_policy_data *cpd)
> ^
>
> Define this function only if CFQ_GROUP_IOSCHED is set and remove
> the compilation warning.
The two other related functions aren't used either if group scheduling
isn't enabled. I committed this instead:
http://git.kernel.dk/cgit/linux-block/commit/?h=for-4.2/core&id=4ceab71b9d84e55b59a76b54b2999dc377aae6e6
--
Jens Axboe
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prev parent reply other threads:[~2015-06-19 16:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-18 22:33 [PATCH] block: cfq-iosched: fix unused 'cpd_to_cfqgd' function warning Vladimir Zapolskiy
2015-06-19 16:15 ` Jens Axboe [this message]
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