This is a break-up of original BZ 1293262 Original Desc: """""""""""""" 1. The krbd module does not support exclusive lock / object map / fast-diff / deep flatten / journaling features and also stripping. 2. Basically only supports layering 3. Development is in-progress for exclusive lock support and object map support. """""""""""""""""" This BZ is specifically for exclusive lock support.
*** Bug 1293262 has been marked as a duplicate of this bug. ***
krbd exclusive lock support is part of LIO iSCSI + RBD integration for 2.1
See comment 4