Samba returns incorrect SMB2 QFS device info (infolevel 4).
See attached trace (Samba 3.6-pre current vs. Windows 2008)
Also note that the volume creation time is left blank on the level 1 smb2 qfs info query.
Created attachment 5721 [details]
trace of mount (with qfs info calls) from linux kernel client to curr Samba 3.6
Created attachment 5722 [details]
trace of mount (with qfs info calls) from linux kernel client to windows 2008 R2 Enterprise
Fixed in master with git log 2c61c93a51a8e8c41da8a54945dc67d6dc416141.