File ctime/mtime update inconsistencies

David Collier-Brown davecb at
Thu Jul 10 18:27:03 GMT 2008

  From looking at an old truss, I suspect you want to update
the timestamp before you call close on the file.  Whether
that's entirely sufficient for Windows client foolishness
I can't say (but smbtorture will (;-))


Jeremy Allison wrote:
> On Thu, Jul 10, 2008 at 12:40:34PM +0300, Atte Peltomaki wrote:
>>On Tue, Jul 08, 2008 at 01:16:51PM +0300, Atte Peltomaki wrote:
>>>Problem: neither ctime nor mtime attributes are consistently updated
>>>when new files are created or existing ones replaced. 
>>Another thing I would like to address is timestamps for large files. In
>>addition to consistently updating c/mtime, I think it would make sense
>>to update the stamp also *after* file transfer has completed. This would
>>allow eg. rsync to identify changed files without expensive
>>Would these changes be accepted in mainstream, if I send patches?
>>(Against 3.2).
> Timestamps are a very tricky problem. Any patches sent would
> have to pass the Samba4 smbtorture tests. This is not as easy
> as it sounds :-). But yes, I'm willing to look at any patches
> submitted.
> Jeremy.

David Collier-Brown            | Always do right. This will gratify
Sun Microsystems, Toronto      | some people and astonish the rest
davecb at                 |                      -- Mark Twain
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