zonefs filesystem support

modulename: zonefs.ko

configname: CONFIG_ZONEFS_FS

Linux Kernel Configuration
└─>File systems
└─>zonefs filesystem support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
zonefs is a simple file system which exposes zones of a zoned block
device (e.g. host-managed or host-aware SMR disk drives) as files.

If unsure, say N.

source code:
fs/zonefs/