On Mon, Jul 02, 2018 at 09:55:57PM +0900, Minwoo Im wrote: > No 2nd follow-up patch will be there. I thought these two parts are > using a same unit-function to clear the set->mq-map. Also thought it > would be great for the future use when it needs to be cleared. > However, as you mentioned, I totally agree with your point. It seems > just churns for churns' sake with no more usage for now. I actually mis-read your patch, I'm sorry. You're consolidating two callers of this so I guess this is not so problematic. I somehow ignored the first hunk in the patch. You could still evaluate if it isn't worth to make it: +static void blk_mq_clear_mq_map(struct blk_mq_tag_set *set) +{ + int cpu; + + for_each_possible_cpu(cpu) + set->mq_map[cpu] = 0; +} and put it into 'include/linux/blk-mq.h'. Johannes -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850