Symbol: rfs4_do_cb_null
usr/src/uts/common/fs/nfs/nfs4_srv_deleg.c
358
rfs4_do_cb_null(cp); /* caller will release client hold */
usr/src/uts/common/fs/nfs/nfs4_srv_deleg.c
695
(void) zthread_create(NULL, 0, rfs4_do_cb_null, cp, 0,