>>>>> " " == Roman V Shaposhnick <roman@yellow.pdmi.ras.ru> writes:
> Hm, I don't know about knfsd people but I am thinking about
> something like
> fh_to_dentry and dentry_to_fh pair. The main idea ( suggested
> by Al ) is to allow dentry tree to grow in two different
> directions: from root to leaves and from leaves to root. The
> main trick will be to select right splicer and to allow quick
> grow for upside direction. It seems, that this will satisfy NFS
> as is, and will provide a way for unique "external"
> representation of the dentry tree.
Don't forget that for the case of NFS at least, you have to be able to
locate a file anywhere in the dentry tree from scratch after a server
reboot (All hail the god of stateless models). An fh_to_dentry() model
would need to do this too in an as efficient manner as possible.
I believe Neil has been working on a proposal for this within the
knfsd project, so I've Cced him in case he was unaware of this thread.
Cheers,
Trond
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