On 11/7/18 6:58 AM, Johannes Thumshirn wrote: > With drivers that are settting a virtual boundary constrain, we are > seeing a lot of bio splitting and smaller I/Os being submitted to the > driver. > > This happens because the bio gap detection code does not account cases > where PAGE_SIZE - 1 is bigger than queue_virt_boundary() and thus will > split the bio unnecessarily. Thanks, applied. -- Jens Axboe