Block layer bio throttling support

modulename: blk-throttle.ko

configname: CONFIG_BLK_DEV_THROTTLING

Linux Kernel Configuration
└─>Enable the block layer
└─>Block layer bio throttling support
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
Block layer bio throttling support. It can be used to limit
the IO rate to a device. IO rate policies are per cgroup and
one needs to mount and use blkio cgroup controller for creating
cgroups and specifying per device IO rate policies.

See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.

source code:

depends
CONFIG_BLK_CGROUP
CONFIG_BLOCK