[Samba] How samba guarantee close-to-open consistency?

Ralph Boehme slow at samba.org
Tue Jul 5 06:28:28 UTC 2022

On 6/29/22 12:09, jie wang wrote:
> Thanks the reply, I'm interested in the DOS attributes, how can we avoid 
> storing an xattr ?
> "Another question would be which metadata your shooting for? stat info?
> DOS attributes? For the latter we have some design ideas to avoid the
> need to store an xattr with the DOS attributes for the default case."

map the DOS archive bit to the statx STATX_ATTR_NODUMP attribute, use 
stx_btime for the creation date. This enables to store all relevant 
metadata in the filesystem, avoiding the xattr, for the default case of 
a file without additional metadata or changes to stx_btime.


Ralph Boehme, Samba Team                 https://samba.org/
SerNet Samba Team Lead      https://sernet.de/en/team-samba
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