[PATCH 01/21] block: Add atomic write operations to request_queue limits

[Martin K. Petersen]

Bart,

>   also that there are no guarantees that the data written by an atomic
>   write will survive a power failure. See also the difference between
>   the NVMe parameters AWUN and AWUPF.

We only care about *PF. The *N variants were cut from the same cloth as
TRIM and UNMAP.

-- 
Martin K. Petersen	Oracle Linux Engineering