[Samba] timestamp granularity

Ralph Boehme slow at samba.org
Sat Jun 18 15:27:49 UTC 2016


On Wed, Jun 15, 2016 at 12:52:12AM +0900, HAT wrote:
> Apple File System Guide is released.
> https://developer.apple.com/library/prerelease/content/documentation/FileManagement/Conceptual/APFS_Guide/GeneralCharacteristics/GeneralCharacteristics.html
> 
> >Nanosecond Timestamp Granularity
> >
> >APFS supports 1 nanosecond timestamp granularity, which improves
> >upon the 1 second timestamp granularity of HFS+.
> 
> >Compatibility
> >
> >You can share APFS formatted volumes using the SMB network file
> >sharing protocol. The AFP protocol is deprecated and cannot be
> >used to share APFS formatted volumes.
> 
> NTFS supports 100ns timestamp granularity.
> How many ns granularity does SMB protocol support?

The same.

> How many ns granularity does Samba support?

Iirc essentially struct timespec, so 1 ns granularity.

> How many ns granularity does vfs_fruit support?

The same as Samba.

Cheerio!
-slow



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