468 	 * Relies on:  in desc_read()
501 	 *    Relies on:  in desc_read()
517 	 *    Relies on:  in desc_read()
657 	 * Relies on:  in data_push_tail()
695 			 *    Relies on:  in data_push_tail()
722 			 *    Relies on:  in data_push_tail()
822 	 * state. The implementation of prb_first_seq() relies on this.  in desc_push_tail()
853 		 * Relies on:  in desc_push_tail()
905 		 * Relies on:  in desc_reserve()
938 		 *    Relies on:  in desc_reserve()
1309 	 * Relies on:  in desc_reopen_last()
1540 	 * Relies on:  in desc_update_last_finalized()
1715 	 *    Relies on:  in _prb_commit()
1977 		 * Relies on:  in prb_first_seq()
2036 	 * Relies on:  in prb_next_reserve_seq()