Re: [RFC 0/2] Separate stat_data from cache_entry

Michael Haggerty [off-list ref] writes:

Michael Haggerty (2):
  Extract a struct stat_data from cache_entry
  add a stat_validity struct

Some indentation glitches carried over from the original in that
"from-ondisk" function were distracting while reading it through,
but I think these show us a reasonable direction to go, if we want
to have "We have read that file and already know what it says.  Do
we have to read it again?" check for files that are not tracked
working tree files.