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Lines Matching defs:seqcount

41 struct seqcount {
45 typedef struct seqcount seqcount_t;
48 seqcount_init(struct seqcount *seqcount)
51 	seqcount->sqc_gen = 0;
55 seqcount_destroy(struct seqcount *seqcount)
58 	KASSERT((seqcount->sqc_gen & 1) == 0);
59 	seqcount->sqc_gen = -1;
63 write_seqcount_begin(struct seqcount *seqcount)
66 	KASSERT((seqcount->sqc_gen & 1) == 0);
67 	seqcount->sqc_gen |= 1;
72 write_seqcount_end(struct seqcount *seqcount)
75 	KASSERT((seqcount->sqc_gen & 1) == 1);
77 	seqcount->sqc_gen |= 1;	/* paranoia */
78 	seqcount->sqc_gen++;
82 __read_seqcount_begin(const struct seqcount *seqcount)
86 	while (__predict_false((gen = seqcount->sqc_gen) & 1))
94 __read_seqcount_retry(const struct seqcount *seqcount, unsigned gen)
98 	return __predict_false(seqcount->sqc_gen != gen);
102 read_seqcount_begin(const struct seqcount *seqcount)
106 	gen = __read_seqcount_begin(seqcount);
113 read_seqcount_retry(const struct seqcount *seqcount, unsigned gen)
117 	return __read_seqcount_retry(seqcount, gen);
121 raw_read_seqcount(const struct seqcount *seqcount)
125 	gen = seqcount->sqc_gen;
133 	struct seqcount		sql_count;