Re: [PATCH BUGFIX] block: add missing group association in bio_split

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Jeff Moyer <jmoyer@xxxxxxxxxx> writes:

> Paolo Valente <paolo.valente@xxxxxxxxxx> 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);

Gah, I see that the bi_css member is only present for CONFIG_BLK_CGROUP.
I guess we'll have to live with the ifdef.

-Jeff
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