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From: Jeff Moyer <jmoyer@redhat.com>
To: Paolo Valente <paolo.valente@linaro.org>
Cc: Jens Axboe <axboe@kernel.dk>, Tejun Heo <tj@kernel.org>,
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	broonie@kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH BUGFIX] block: add missing group association in bio_split
References: <1462567512-3007-1-git-send-email-paolo.valente@linaro.org>
Date: Mon, 09 May 2016 10:19:33 -0400
In-Reply-To: <1462567512-3007-1-git-send-email-paolo.valente@linaro.org>
	(Paolo Valente's message of "Fri, 6 May 2016 22:45:12 +0200")
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Paolo Valente <paolo.valente@linaro.org> writes:

> @@ -1811,6 +1811,11 @@ struct bio *bio_split(struct bio *bio, int sectors,
>  
>  	bio_advance(bio, split->bi_iter.bi_size);
>  
> +#ifdef CONFIG_BLK_CGROUP
> +	if (bio->bi_css)
> +		bio_associate_blkcg(split, bio->bi_css);
> +#endif
> +
>  	return split;
>  }
>  EXPORT_SYMBOL(bio_split);

Get rid of the #ifdefery.  This should be just:

bio_associate_blkcg(split, bio->bi_css);

Cheers,
Jeff