Brett Lymn <blymn_at_internode.on.net> writes:

> Right... from my testing it seems like atime is getting updated which
> updates mtime and ctime too (effectively).  I think vi is caching the
> original mtime, atime gets updated so when I ask vi to save the file it
> stats the file, finds mtime updated and whinges.

This seems like a bug.  mtime should only change if data is written on a
store.   open-for-write,read,close, should not update mtime (and really
shouldn't do a store either).