NLM4_owner_sz     535 fs/lockd/xdr4.c #define NLM4_lock_sz		5+NLM4_caller_sz+NLM4_owner_sz+NLM4_fhandle_sz
NLM4_owner_sz     536 fs/lockd/xdr4.c #define NLM4_holder_sz		6+NLM4_owner_sz