On Fri, Aug 18, 2023 at 12:16:23PM +0000, David Laight wrote: > > > + ITER_IOVEC = 1, > > > + ITER_UBUF = 2, > > > + ITER_KVEC = 4, > > > + ITER_BVEC = 8, > > > + ITER_XARRAY = 16, > > > + ITER_DISCARD = 32, > > IIRC Linus had type:6 - that doesn't leave any headroom > for additional types (even though they shouldn't proliferate). I have proposed an ITER_KBUF in the past (it is to KVEC as UBUF is to IOVEC). I didn't care enough to keep pushing it, but it's clearly a common idiom.
