Lines Matching full:latch

592  * Latch sequence counters (seqcount_latch_t)
620  * raw_read_seqcount_latch() - pick even/odd latch data copy
654  * raw_write_seqcount_latch() - redirect latch readers to even/odd copy
657  * The latch technique is a multiversion concurrency control method that allows
664  * latch allows the same for non-atomic updates. The trade-off is doubling the
681  *	void latch_modify(struct latch_struct *latch, ...)
684  *		latch->seq.sequence++;
687  *		modify(latch->data[0], ...);
690  *		latch->seq.sequence++;
693  *		modify(latch->data[1], ...);
698  *	struct entry *latch_query(struct latch_struct *latch, ...)
704  *			seq = raw_read_seqcount_latch(&latch->seq);
707  *			entry = data_query(latch->data[idx], ...);
710  *		} while (raw_read_seqcount_latch_retry(&latch->seq, seq));