I/O Path Selector based on CPU submission

modulename: dm-io-affinity.ko

configname: CONFIG_DM_MULTIPATH_IOA

Linux Kernel Configuration
└─>Device Drivers
└─>Multiple devices driver support (RAID and LVM)
└─>I/O Path Selector based on CPU submission
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This path selector selects the path based on the CPU the IO is
executed on and the CPU to path mapping setup at path addition time.

If unsure, say N.

source code:
drivers/md/