+ /* The fsid -> path lookup can be quite expensive as it
+ * potentially stats and reads lots of devices, and some of those
+ * might have spun-down. The Answer is not likely to
+ * change underneath us, and an 'exportfs -f' can always
+ * remove this from the kernel, so use a really log
+ * timeout. Maybe this should be configurable on the command
+ * line.
+ */
+ qword_printint(f, 0x7fffffff);