/*
* Possible cases:
* 1) DM_RH_DIRTY
- * 2) DM_RH_NOSYNC: was dirty, other preceeding writes failed
+ * 2) DM_RH_NOSYNC: was dirty, other preceding writes failed
* 3) DM_RH_RECOVERING: flushing pending writes
* Either case, the region should have not been connected to list.
*/