Re: [PATCH-next v2] blk-mq: cleanup unused methods: blk_mq_hw_sysfs_store

From: Christoph Hellwig
Date: Fri Dec 23 2022 - 03:01:54 EST


On Wed, Dec 21, 2022 at 04:34:21PM +0800, Zhong Jinghua wrote:
> We found that the blk_mq_hw_sysfs_store interface has no place to use.
> The object default_hw_ctx_attrs using blk_mq_hw_sysfs_ops only uses
> the show method and does not use the store method.
>
> Since this patch:
> 4a46f05ebf99 ("blk-mq: move hctx and ctx counters from sysfs to debugfs")
> moved the store method to debugfs, the store method is not used anymore.
>
> So let me do some tiny work to clean up unused code.

Please also remove the now unused store method from
struct blk_mq_hw_ctx_sysfs_entry.