Re: Possible bio merging breakage in mp bio rework

2019-04-08 Thread Johannes Thumshirn
On 08/04/2019 12:19, Ming Lei wrote: > bio_add_page() is absolutely the fast path, and it is much more efficient > to apply the limit just once in the queue's .make_request_fn. You're right, this makes sense. Thanks, Johannes -- Johannes ThumshirnSUSE Labs Fil

Re: Possible bio merging breakage in mp bio rework

2019-04-08 Thread Johannes Thumshirn
On 06/04/2019 02:16, Ming Lei wrote: > Hi Nikolay, > > On Fri, Apr 05, 2019 at 07:04:18PM +0300, Nikolay Borisov wrote: >> Hello Ming, >> >> Following the mp biovec rework what is the maximum >> data that a bio could contain? Should it be PAGE_SIZE * bio_vec > > There isn't any maximum data li