Samba on shares with XFS and kernel 2.6.18

Janek Walkenhorst walkenhorst at
Fri Nov 19 01:37:29 MST 2010

Am 2010-11-19 06:16:38 schrieb Stefan Gohmann:
> Am Mittwoch 17 November 2010 schrieb Björn Jacke:
> > but doing that correct would be a bit tricky. In
> > vfswrap_fs_capabilities() we also need to know that utimensat() doesn't
> > work to initialize p_ts_res correctly. A test utimensat() call would
> > actually be required to set p_ts_res right, too. POSIX does not even
> > mention that this call may fail with ENOSYS.
> >
> > I would prefer that people with utimensat resulting in ENOSYS should get
> > a big warning in the log files: "never us a glibc which is much more
> > recent than your kernel." This is a well known problem of Debian systems
> > with a way too old XEN kernel. Old kernels with new glibc are not
> > supported by their maintainers. People should just not do this - the lack
> > of utimensat() is just the most obvious place of brokenness, I guess
> > there are more, more subtle brokennesses waiting to be discovered.
> You are right, the results are not known if the kernel is too old for the
> glibc. Janek will create a new patch which adds the warning and he will
> also check vfswrap_fs_capabilities. I think this would be the best.
This is the patch with the check in vfswrap_fs_capabilities and a log message 

Janek Walkenhorst
Software Engineering Apprentice

Univention GmbH
Linux for your business
28359 Bremen
Tel. : +49 421 22232-0
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