482 		*seq_out = info->seq; /* also part of desc_read:C */  in desc_read()
1492 	u64 seq;  in prb_reserve()  local
1520 	seq = info->seq;  in prb_reserve()
1541 	if (seq == 0 && DESC_INDEX(desc_ring, id) != 0)  in prb_reserve()
1542 		info->seq = DESC_INDEX(desc_ring, id);  in prb_reserve()
1544 		info->seq = seq + DESCS_COUNT(desc_ring);  in prb_reserve()
1552 	if (info->seq > 0)  in prb_reserve()
1756 				   unsigned long id, u64 seq,  in desc_read_finalized_seq()  argument
1773 	    s != seq) {  in desc_read_finalized_seq()
1796 static int prb_read(struct printk_ringbuffer *rb, u64 seq,  in prb_read()  argument
1800 	struct printk_info *info = to_info(desc_ring, seq);  in prb_read()
1801 	struct prb_desc *rdesc = to_desc(desc_ring, seq);  in prb_read()
1811 	err = desc_read_finalized_seq(desc_ring, id, seq, &desc);  in prb_read()
1831 	return desc_read_finalized_seq(desc_ring, id, seq, &desc);  in prb_read()
1841 	u64 seq;  in prb_first_seq()  local
1846 		d_state = desc_read(desc_ring, id, &desc, &seq, NULL); /* LMM(prb_first_seq:B) */  in prb_first_seq()
1875 	return seq;  in prb_first_seq()
1885 static bool _prb_read_valid(struct printk_ringbuffer *rb, u64 *seq,  in _prb_read_valid()  argument
1891 	while ((err = prb_read(rb, *seq, r, line_count))) {  in _prb_read_valid()
1894 		if (*seq < tail_seq) {  in _prb_read_valid()
1899 			*seq = tail_seq;  in _prb_read_valid()
1903 			(*seq)++;  in _prb_read_valid()
1937 bool prb_read_valid(struct printk_ringbuffer *rb, u64 seq,  in prb_read_valid()  argument
1940 	return _prb_read_valid(rb, &seq, r, NULL);  in prb_read_valid()
1967 bool prb_read_valid_info(struct printk_ringbuffer *rb, u64 seq,  in prb_read_valid_info()  argument
1974 	return _prb_read_valid(rb, &seq, &r, line_count);  in prb_read_valid_info()
1994 	u64 seq = 0;  in prb_first_valid_seq()  local
1996 	if (!_prb_read_valid(rb, &seq, NULL, NULL))  in prb_first_valid_seq()
1999 	return seq;  in prb_first_valid_seq()
2022 	u64 seq;  in prb_next_seq()  local
2026 	d_state = desc_read(desc_ring, id, NULL, &seq, NULL);  in prb_next_seq()
2036 		if (seq != 0)  in prb_next_seq()
2037 			seq++;  in prb_next_seq()
2045 		seq = 0;  in prb_next_seq()
2052 	while (_prb_read_valid(rb, &seq, NULL, NULL))  in prb_next_seq()
2053 		seq++;  in prb_next_seq()
2055 	return seq;  in prb_next_seq()
2101 	infos[0].seq = -(u64)_DESCS_COUNT(descbits);  in prb_init()
2102 	infos[_DESCS_COUNT(descbits) - 1].seq = 0;  in prb_init()