On Tue, Feb 13, 2024 at 02:21:25PM +0000, John Garry wrote: >> Please also read through TP4098(a) and look at the MAM field. > > It's not public, AFAIK. Oracle is a member, so you can take a look at it easily. If we need it for Linux I can also work with the NVMe Board to release it. > And I don't think a feature which allows us to straddle boundaries is too > interesting really. Without MAM=1 NVMe can't support atomic writes larger than AWUPF/NAWUPF, which is typically set to the indirection table size. You're leaving a lot of potential unused with that.