Currently nfs4_arg->to_free keeps a list of void ptrs on which kfree is called
when freeing the nfs4_arg.  This allows us to do cleanup on e.g.  xdr decode
failures.  To allow more complicated objects to be freed (in particular,
acls), we add a "void (*release)(void *)" to allow us to request something
other than kfree be called when freeing.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>