426 static struct printk_ringbuffer *prb = &printk_rb_static;  variable
732 	if (!prb_read_valid(prb, atomic64_read(&user->seq), r)) {  in devkmsg_read()
749 				prb_read_valid(prb,  in devkmsg_read()
805 		atomic64_set(&user->seq, prb_first_valid_seq(prb));  in devkmsg_llseek()
817 		atomic64_set(&user->seq, prb_next_seq(prb));  in devkmsg_llseek()
836 	if (prb_read_valid_info(prb, atomic64_read(&user->seq), &info, NULL)) {  in devkmsg_poll()
875 	atomic64_set(&user->seq, prb_first_valid_seq(prb));  in devkmsg_open()
917 	VMCOREINFO_SYMBOL(prb);  in log_buf_vmcoreinfo_setup()
1154 	prb = &printk_rb_dynamic;  in setup_log_buf()
1463 	prb_for_each_info(start_seq, prb, seq, &info, &line_count) {  in find_first_fitting_seq()
1482 	prb_for_each_info(start_seq, prb, seq, &info, &line_count) {  in find_first_fitting_seq()
1527 				prb_read_valid(prb, seq, NULL)); /* LMM(syslog_print:A) */  in syslog_print()
1543 		if (!prb_read_valid(prb, syslog_seq, &r))  in syslog_print()
1620 	prb_for_each_record(seq, prb, seq, &r) {  in syslog_print_all()
1652 	latched_seq_write(&clear_seq, prb_next_seq(prb));  in syslog_clear()
1725 		if (!prb_read_valid_info(prb, syslog_seq, &info, NULL)) {  in do_syslog()
1741 			error = prb_next_seq(prb) - syslog_seq;  in do_syslog()
1747 			prb_for_each_info(syslog_seq, prb, seq, &info,  in do_syslog()
2170 		if (prb_reserve_in_last(&e, prb, &r, caller_id, LOG_LINE_MAX)) {  in vprintk_store()
2193 	if (!prb_reserve(&e, prb, &r)) {  in vprintk_store()
2198 		if (!prb_reserve(&e, prb, &r))  in vprintk_store()
2689 	if (!prb_read_valid(prb, con->seq, &r))  in console_emit_next_record()
2879 	} while (prb_read_valid(prb, next_seq, NULL) && console_trylock());  in console_unlock()
2946 		seq = prb_first_valid_seq(prb);  in console_flush_on_panic()
3196 		newcon->seq = prb_next_seq(prb);  in register_console()
3367 	seq = prb_next_seq(prb);  in __pr_flush()
3708 		if (!prb_read_valid(prb, iter->cur_seq, &r))  in kmsg_dump_get_line()
3712 		if (!prb_read_valid_info(prb, iter->cur_seq,  in kmsg_dump_get_line()
3767 	if (prb_read_valid_info(prb, iter->cur_seq, &info, NULL)) {  in kmsg_dump_get_buffer()
3796 	prb_for_each_record(seq, prb, seq, &r) {  in kmsg_dump_get_buffer()
3826 	iter->next_seq = prb_next_seq(prb);  in kmsg_dump_rewind()