[PATCH 02/18] xstat: Add a pair of system calls to make extended file stats available [ver #6]

[Jan Engelhardt]

On Thursday 2010-07-22 20:02, Jeremy Allison wrote:
>On Thu, Jul 22, 2010 at 12:58:50PM -0400, Trond Myklebust wrote:
>> 
>> That would make it impossible to export the filesystem with NFSv2 and
>> v3. They do rely on ctime checking for certain operations (e.g. deciding
>> when to invalidate access and acl caches). NFSv4 needs this too if the
>> filesystem has no dedicated change attribute.
>> 
>> Still, I suppose the market for exporting the same filesystem with both
>> NFS and Samba is limited...
>
>Ask NetApp about that :-). They have built a rather large
>business on just that fact :-).

What would ZFS do? :p