18f03a063d
Implement the get_unique_id method to allow pNFS SCSI layout access to NVMe namespaces. This is the server side implementation of RFC 9561 "Using the Parallel NFS (pNFS) SCSI Layout to Access Non-Volatile Memory Express (NVMe) Storage Devices". Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org>