int count = 0;
rewind(spool_fd);
+
+#if defined(HAVE_POSIX_FADVISE) && defined(POSIX_FADV_WILLNEED)
+ posix_fadvise(fileno(spool_fd), 0, 0, POSIX_FADV_WILLNEED);
+#endif
+
while (fread((char *)&pktsiz, 1, sizeof(int32_t), spool_fd) ==
sizeof(int32_t)) {
size += sizeof(int32_t);