Configfs interface for fault-injection capabilities

configname: CONFIG_FAULT_INJECTION_CONFIGFS

Linux Kernel Configuration
└─>Kernel hacking
└─>Kernel Testing and Coverage
└─>Configfs interface for fault-injection capabilities
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
This option allows configfs-based drivers to dynamically configure
fault-injection via configfs. Each parameter for driver-specific
fault-injection can be made visible as a configfs attribute in a
configfs group.