Device mapper debugging support
configname: CONFIG_DM_DEBUG
Linux Kernel Configuration
└─>Device Drivers
└─>Multiple devices driver support (RAID and LVM)
└─>Device mapper debugging support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Enable this for messages that may help debug device-mapper problems.
If unsure, say N.
If unsure, say N.