On Mon, Oct 28, 2024 at 11:19:33AM -0700, Bart Van Assche wrote: > On 10/25/24 2:36 PM, Keith Busch wrote: > > This is still backwards compatible with lifetime hints. It just doesn't > > constrain the hints to that definition. > > Since struct bio is modified, and since it is important not to increase > the size of struct bio, some comments about whether or not the size of > struct bio is affected would be welcome. Sure. The type just shrinks a hole from 2 bytes to 1. Total size remains the same.