701 static bool printk_get_next_message(struct printk_message *pmsg, u64 seq,
792 	struct printk_message pmsg = {  in devkmsg_read()  local
801 	if (!printk_get_next_message(&pmsg, atomic64_read(&user->seq), true, false)) {  in devkmsg_read()
818 				printk_get_next_message(&pmsg, atomic64_read(&user->seq), true,  in devkmsg_read()
824 	if (pmsg.dropped) {  in devkmsg_read()
826 		atomic64_set(&user->seq, pmsg.seq);  in devkmsg_read()
831 	atomic64_set(&user->seq, pmsg.seq + 1);  in devkmsg_read()
833 	if (pmsg.outbuf_len > count) {  in devkmsg_read()
838 	if (copy_to_user(buf, outbuf, pmsg.outbuf_len)) {  in devkmsg_read()
842 	ret = pmsg.outbuf_len;  in devkmsg_read()
2736 static void console_prepend_dropped(struct printk_message *pmsg, unsigned long dropped)  in console_prepend_dropped()  argument
2738 	struct printk_buffers *pbufs = pmsg->pbufs;  in console_prepend_dropped()
2757 	if (pmsg->outbuf_len + len >= outbuf_sz) {  in console_prepend_dropped()
2759 		pmsg->outbuf_len = outbuf_sz - (len + 1);  in console_prepend_dropped()
2760 		outbuf[pmsg->outbuf_len] = 0;  in console_prepend_dropped()
2763 	memmove(outbuf + len, outbuf, pmsg->outbuf_len + 1);  in console_prepend_dropped()
2765 	pmsg->outbuf_len += len;  in console_prepend_dropped()
2768 #define console_prepend_dropped(pmsg, dropped)  argument
2790 static bool printk_get_next_message(struct printk_message *pmsg, u64 seq,  in printk_get_next_message()  argument
2795 	struct printk_buffers *pbufs = pmsg->pbufs;  in printk_get_next_message()
2819 	pmsg->seq = r.info->seq;  in printk_get_next_message()
2820 	pmsg->dropped = r.info->seq - seq;  in printk_get_next_message()
2826 	if (pmsg->dropped &&  in printk_get_next_message()
2845 	pmsg->outbuf_len = len;  in printk_get_next_message()
2870 	struct printk_message pmsg = {  in console_emit_next_record()  local
2877 	if (!printk_get_next_message(&pmsg, con->seq, is_extended, true))  in console_emit_next_record()
2880 	con->dropped += pmsg.dropped;  in console_emit_next_record()
2883 	if (pmsg.outbuf_len == 0) {  in console_emit_next_record()
2884 		con->seq = pmsg.seq + 1;  in console_emit_next_record()
2889 		console_prepend_dropped(&pmsg, con->dropped);  in console_emit_next_record()
2910 	con->write(con, outbuf, pmsg.outbuf_len);  in console_emit_next_record()
2914 	con->seq = pmsg.seq + 1;  in console_emit_next_record()