NLM_owner_sz       35 fs/lockd/clntxdr.c #define NLM_lock_sz		(3+NLM_caller_sz+NLM_owner_sz+NLM_fhandle_sz)
NLM_owner_sz       36 fs/lockd/clntxdr.c #define NLM_holder_sz		(4+NLM_owner_sz)