> > - i think you need to check nfsrv_descript.nd_fh.
> 
> As I said initialy: I'm pretty much lost in the NFS part of the change.
> I've attached a modified version (only the nfs part this time)

seems fine to me.

> > - i'm not sure ENOMEM is an appropriate error code for too big filehandles.
> 
> Any better suggestions?

E2BIG as iconv(3) does?

ENOMEM sounds like memory allocation failure to me.

> > - is it ok to use c99 feature for an userland-exported header?
> >   (a flexible array member in struct fid)
> 
> IMHO it is (didn't we get rid of gcc 2.95.x now?). Are there alternatives?
> I don't like "char fid_data[2]", when "2" is just a lie.

maybe it's ok as far as it can be compiled with -std=c89 or -std=gnu89.

YAMAMOTO Takashi