F2FS unfair rw_semaphore
configname: CONFIG_F2FS_UNFAIR_RWSEM
Linux Kernel Configuration
└─>File systems
└─>F2FS unfair rw_semaphore
In linux kernel since version 5.2 (release Date: 2019-07-07)
Use unfair rw_semaphore, if system configured IO priority by block
cgroup.
cgroup.