Block layer SG support v4 helper lib

modulename: bsg-lib.ko

configname: CONFIG_BLK_DEV_BSGLIB

Linux Kernel Configuration
└─>Enable the block layer
└─>Block layer SG support v4 helper lib
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Subsystems will normally enable this if needed. Users will not
normally need to manually enable this.

If unsure, say N.

source code:

depends
CONFIG_BLOCK

is depended by
CONFIG_SCSI_UFS_BSG