O_XATTR support in FreeBSD?
Pedro Giffuni
pfg at FreeBSD.org
Sat Nov 23 14:08:09 UTC 2013
On 23.11.2013 02:13, Cedric Blancher wrote:
> On 22 November 2013 20:55, Pedro Giffuni <pfg at freebsd.org> wrote:
>> Well ...
>>
>> According to:
>>
>> https://wiki.freebsd.org/ZFS
>>
>> We do support Extended Attributes on ZFS but they differ from the ones in
>> Solaris (and Linux).
> Well, we need the one specified in the NFSv4 standard. The Linux
> extended attributes are pretty much useless because they are size
> restricted (typical attribute size here is in the GB range, and for
> example NIH and CERN have even much bigger sizes), can't be accessed
> like normal files and are incompatible to Window's Alternate Streams.
>
> Ced
I was unaware of a standard for EA beyond the old posix draft.
The reason for Extended Attributes is supporting ACL and we support both
the draft posix and the NFS/win style ACLs.
Not sure about the status of NFSv4. The guys in the posix-1e list should
know better.
regards,
Pedro.
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