On Thu, Aug 27, 2020 at 03:58:02PM +0000, David Laight wrote: > Is there a real justification for that? > For system calls supplying both methods makes sense to avoid > the extra code paths for a simple read/write. Al asked for it as two of our four in-tree instances do have weird semantics, and we can't change that any more. And the other two don't make sense to be used with kernel_read and kernel_write ( (/dev/null and /dev/zero).
