Re: [PATCH] blk-iocost: drop selecting undefined BLK_RQ_IO_DATA_LEN

From: Tejun Heo
Date: Mon Nov 15 2021 - 19:11:27 EST


On Fri, Nov 12, 2021 at 10:37:28AM +0100, Lukas Bulwahn wrote:
> Commit cd006509b0a9 ("blk-iocost: account for IO size when testing
> latencies") selects the non-existing config BLK_RQ_IO_DATA_LEN in
> config BLK_CGROUP_IOCOST.
>
> Hence, ./scripts/checkkconfigsymbols.py warns:
>
> BLK_RQ_IO_DATA_LEN
> Referencing files: block/Kconfig
>
> Probably, this select is just some unintended left-over from an earlier
> draft version; BLK_RQ_IO_DATA_LEN was never defined in any commit in the
> repository. So, drop this dead select to an undefined config.
>
> Fixes: cd006509b0a9 ("blk-iocost: account for IO size when testing latencies")
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

--
tejun