find_open_owner_nolock
oop = find_open_owner_nolock(cr, just_created, mi);
oop = find_open_owner_nolock(cr, NFS4_JUST_CREATED, VTOMI4(dvp));
extern nfs4_open_owner_t *find_open_owner_nolock(cred_t *, int, mntinfo4_t *);