Lines Matching full:sequence

13  * - Sequence counters with associated locks, (C) 2020 Linutronix GmbH
27  * The seqlock seqcount_t interface does not prescribe a precise sequence of
48 	s->sequence = 0;
87 #define SEQCNT_ZERO(name) { .sequence = 0, SEQCOUNT_DEP_MAP_INIT(name) }
90  * Sequence counters with associated locks (seqcount_LOCKNAME_t)
92  * A sequence counter which associates the lock used for writer
105  * typedef seqcount_LOCKNAME_t - sequence counter with LOCKNAME associated
106  * @seqcount:	The real sequence counter
109  * A plain sequence counter with external writer synchronization by
110  * LOCKNAME @lock. The lock is associated to the sequence counter in the
160 	unsigned seq = smp_load_acquire(&s->seqcount.sequence);		\
170 		 * Re-read the sequence counter since the (possibly	\
173 		seq = smp_load_acquire(&s->seqcount.sequence);		\
211 	return smp_load_acquire(&s->sequence);
261 #define seqprop_sequence(s)		__seqprop(s, sequence)(s)
308  * masking the sequence counter LSB. Calling code is responsible for
334  * If true, start will be set to the (even) sequence count read.
391 	return unlikely(READ_ONCE(s->sequence) != start);
431 	s->sequence++;
452 	s->sequence++;
485  * Context: sequence counter write side sections must be serialized and
574 	s->sequence++;
576 	s->sequence++;
595 	s->sequence+=2;
600  * Latch sequence counters (seqcount_latch_t)
602  * A sequence counter variant where the counter even/odd value is used to
634  * Return: sequence counter raw value. Use the lowest bit as an index for
644 	return READ_ONCE(s->seqcount.sequence);
654  * Return: sequence counter raw value. Use the lowest bit as an index for
675 	return unlikely(READ_ONCE(s->seqcount.sequence) != start);
698 	smp_wmb();	/* prior stores before incrementing "sequence" */
699 	s->seqcount.sequence++;
700 	smp_wmb();      /* increment "sequence" before following stores */
770  *	to miss an entire modification sequence, once it resumes it might
990  * locking readers, but it does not update the embedded sequence number.
1121  * Return: the encountered sequence counter value, through the @seq
1138  * @seq: sequence count, from read_seqbegin_or_lock()
1178  *   2. The encountered sequence counter value, returned through @seq