Zoned block device support

modulename: blk-zoned.ko

configname: CONFIG_BLK_DEV_ZONED

Linux Kernel Configuration
└─>Enable the block layer
└─>Zoned block device support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Block layer zoned block device support. This option enables
support for ZAC/ZBC host-managed and host-aware zoned block devices.

Say yes here if you have a ZAC or ZBC storage device.

source code:
depends
CONFIG_BLOCK

is selected by
CONFIG_ZONEFS_FS