>From: Martin Gasthuber <Martin.Gasthuber@xxxxxxx>
>Hi,
>
> in order to use xfs as a fast hierarchical namespace service (just
>the nameservice, no data) we need to have an external reference for an
>xfs file object. The '*_by_handle()' suite of functions seems to
>generate a unique handle for referencing xfs objects. Unclear is - are
>these handles persistent ??? i.e. retrieve handle - store it externally
Yes, the handle is unique to a particular generation of the inode. As long as
the inode isn't unlinked and reused for a new file that handle will always
lead you back to that same inode.
Dean
|