push_ail.pushes		# of times the AIL is moved forward
push_ail.success	# of times sucessful
push_ail.pushbuf	# of times inode locked – pushbuf called
push_ail.pinned		# of times pinned
push_ail.locked		# of times locked
push_ail.flushing	# of times ail was flushing
push_ail.restarts	# of log write restarts
push_ail.flush		# of times a log was forced