On Thu, Jan 05, 2023 at 11:24:30AM -1000, Tejun Heo wrote: > * blkg_conf_open_bdev() is updated to take a pointer to blkg_conf_ctx like > blkg_conf_prep() and can be called multiple times safely. Instead of > modifying the double pointer to input string directly, > blkg_conf_open_bdev() now sets blkg_conf_ctx->body. This looks pretty awkward for the externals callers of blkcg_conf_open_bdev in blk-iocost. I'd either keep the calling conventions as they are at the moment, or just open code blkcg_conf_open_bdev in blk-iocost.
