On Fri, Oct 25, 2024 at 02:36:38PM -0700, Keith Busch wrote:

Upfront, I really didn't get the feedback about setting different flags
for stream vs. temperature support. Who wants to use it, and where and
how is that information used?

The SBC permanent streams have a 'relative lifetime' associated with
them.  So if you expose them as plain write streams you violate the
contract with the device.