On 11/18/18 7:23 PM, Ming Lei wrote: > On Fri, Nov 16, 2018 at 02:13:05PM +0100, Christoph Hellwig wrote: >>> -#define bvec_iter_page(bvec, iter) \ >>> +#define mp_bvec_iter_page(bvec, iter) \ >>> (__bvec_iter_bvec((bvec), (iter))->bv_page) >>> >>> -#define bvec_iter_len(bvec, iter) \ >>> +#define mp_bvec_iter_len(bvec, iter) \ >> >> I'd much prefer if we would stick to the segment naming that >> we also use in the higher level helper. >> >> So segment_iter_page, segment_iter_len, etc. > > We discussed the naming problem before, one big problem is that the 'segment' > in bio_for_each_segment*() means one single page segment actually. > > If we use segment_iter_page() here for multi-page segment, it may > confuse people. > > Of course, I prefer to the naming of segment/page, > > And Jens didn't agree to rename bio_for_each_segment*() before. I didn't like frivolous renaming (and I still don't), but mp_ is horrible imho. Don't name these after the fact that they are done in conjunction with supporting multipage bvecs. That very fact will be irrelevant very soon -- Jens Axboe
