On Fri, Jul 04, 2025 at 10:17:38AM +0800, Ming Lei wrote: > Per NVMe spec, AWUPF unit is 'logical blocks', and logical block size is changed > by 'nvme format', so AWUPF value retuned from `Identify command` can be changed > because the controller implements fixed-length atomic write size(512*8, 4096 * 1)? > Yes. And that's an issue because NVMe doesn't have a controller-level concept of a logical bloc ksize, the logical block size is per-namespace. Or in other words, AWUPF is a mess.
