printk_get_next_message
bool printk_get_next_message(struct printk_message *pmsg, u64 seq,
ctxt->backlog = printk_get_next_message(&pmsg, ctxt->seq, is_extended, true);
if (!printk_get_next_message(&pmsg, con->seq, is_extended, true))
if (!printk_get_next_message(&pmsg, atomic64_read(&user->seq), true, false)) {
printk_get_next_message(&pmsg, atomic64_read(&user->seq), true,