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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/

