This is only used by nfsd to save one kmalloc, and the code is not always
kept up-to-date with dentry_open, so just get rid of it.
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>