Re: Fwd: SMB2 not respecting mtime values

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On Thu, Jan 24, 2019 at 05:47:24PM -0500, Jacob Shivers wrote:
> On Thu, Jan 24, 2019 at 3:14 PM Ralph Böhme <slow@xxxxxxxxx> wrote:
> >
> > On Thu, Jan 24, 2019 at 12:24:53PM -0500, Jacob Shivers wrote:
> > >On Thu, Jan 24, 2019 at 12:11 PM Ralph Böhme via samba-technical
> > ><samba-technical@xxxxxxxxxxxxxxx> wrote:
> > >>
> > >> On Thu, Jan 24, 2019 at 09:03:41AM -0800, Jeremy Allison via samba-technical wrote:
> > >> >Maybe. Changing meta-data semantics on write is fraught with danger,
> > >> >and we don't even do that for SMB1 unix extensions. So let's not
> > >> >add contraints we don't understand yet please.
> > >> >
> > >> >My money is on a client bug, as always :-).
> > >>
> > >> fwiw, just in case you were not aware of this one:
> > >>
> > >> https://bugzilla.samba.org/show_bug.cgi?id=13594
> > >>
> > >> We also seem to have a bug that a set-eof on a handle with
> > >> set-eof-size=existing-size doesn't flush a pending write time update. At least
> > >> newer Windows server seem to do that.
> > >
> > >This seems like what the issue is.
> > >The SMB server is uptime mtime after the server actually flushes to
> > >stable storage.
> >
> > not quite, but still a client bug. :) The client uses a second handle to set the
> > mtime, it should use the first handle. Or open the second handle after closing
> > the first one where it did the write.
> 
> Ahh.
> 
> Thank you very much for your help and for narrowing down the problem
> to a client side bug :)

Bingo ! I claim my 5 euro :-) :-).



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