455 	 * Guarantee the state is loaded before copying the descriptor  in desc_read()
485 	 * 1. Guarantee the descriptor content is loaded before re-checking  in desc_read()
501 	 * 2. Guarantee the record data is loaded before re-checking the  in desc_read()
674 			 * 1. Guarantee the block ID loaded in  in data_push_tail()
701 			 * 2. Guarantee the descriptor state loaded in  in data_push_tail()
741 		 * Guarantee any descriptor states that have transitioned to  in data_push_tail()
826 		 * Guarantee any descriptor states that have transitioned to  in desc_push_tail()
836 		 * Guarantee the last state load from desc_read() is before  in desc_push_tail()
888 		 * Guarantee the head ID is read before reading the tail ID.  in desc_reserve()
922 		 * 1. Guarantee the tail ID is read before validating the  in desc_reserve()
942 		 * 2. Guarantee the tail ID is stored before storing the head  in desc_reserve()
945 		 * 3. Guarantee any data ring tail changes are stored before  in desc_reserve()
952 		 * 4. Guarantee a new tail ID is stored before recycling the  in desc_reserve()
958 		 * 5. Guarantee the head ID is stored before trying to  in desc_reserve()
982 	 * Guarantee the new descriptor ID and state is stored before making  in desc_reserve()
1051 		 * 1. Guarantee any descriptor states that have transitioned  in data_alloc()
1058 		 * 2. Guarantee any updated tail lpos is stored before  in data_alloc()
1281 	 * Guarantee the reserved state is stored before reading any  in desc_reopen_last()
1582 	 * 1  Guarantee all record data is stored before the descriptor state  in _prb_commit()
1586 	 * 2. Guarantee the descriptor state is stored as committed before  in _prb_commit()
1845 		 * Guarantee the last state load from desc_read() is before  in prb_first_seq()