NFSD4_EXPIRABLE
else if (clp->cl_state == NFSD4_EXPIRABLE)
if (clp->cl_state == NFSD4_EXPIRABLE)
cmpxchg(&clp->cl_state, NFSD4_COURTESY, NFSD4_EXPIRABLE);
return clp->cl_state == NFSD4_EXPIRABLE;