CONFIG_NFSD_PNFS (not configurable)

configname: CONFIG_NFSD_PNFS

Linux Kernel Configuration
└─>File systems
└─>Network File Systems
└─>NFSD_PNFS
In linux kernel since version 4 (release Date: 2015-04-12)  
depends
CONFIG_NETWORK_FILESYSTEMS |
| CONFIG_NFSD_V4