[Samba] modification time inconsistency

Jeremy Allison jra at samba.org
Thu Jul 12 18:50:32 GMT 2007

On Wed, Jul 11, 2007 at 12:14:19PM -0400, Chris Smith wrote:
> On Thursday 21 June 2007, Carlos Knowlton wrote:
> > I have a client with a windows utility that relies on "touch"ing (changing
> > the mod time) on zero-length files in a folder for the purpose of judging
> > when that folder was last accessed.  This works fine for him on mapped
> > windows servers, and from the local disk, but from a Samba (v3.0.22)
> > volume, the mod time doesn't change unless there was an actual data change
> > within the file.  (ie, clicking "save" in notepad doesn't change the mod
> > time unless he enters some data first.).
> Tried this out of curiosity and find the same results. It only happens with a 
> zero length file, if the file has any data in it then the timestamp does 
> change by doing a save in notepad (no data change necessary). With a zero 
> length file it doesn't change when the file is on a Samba share.
> However with a cifs mounted Samba share a "touch filename" does update the 
> timestamp even for zero length files.

I've fixed this for 3.0.25c and later.


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