On Mon, Aug 25, 2025 at 05:37:00PM +0800, Yu Kuai wrote: > +void submit_bio_noacct(struct bio *bio) Maybe just have version of submit_bio_noacct that takes the split argument, and make submit_bio_noacct a tiny wrapper around it? That should create less churns than this version I think. In fact I suspect we can actually bypass submit_bio_noacct entirely, all the checks and accounting in it were already done when submitting the origin bio, so the bio split helper could just call into submit_bio_noacct_nocheck directly.