* topic/uek-4.1/ofed.rds-p2:
rds: rds_ib_device.refcount overflow
rds_rdma: rds_sendmsg should return EAGAIN if connection not setup
rds_rdma: allocate FMR according to max_item_soft
rds_rdma: do not dealloc fmrs in the pool under use
rds: set fmr pool dirty_count correctly