HAMMER_IOC_HISTORY_EOF
if (hist.head.flags & HAMMER_IOC_HISTORY_EOF)
hist->head.flags &= ~HAMMER_IOC_HISTORY_EOF;
HAMMER_IOC_HISTORY_EOF)) {
hist->head.flags |= HAMMER_IOC_HISTORY_EOF;
if (hist.head.flags & HAMMER_IOC_HISTORY_EOF)