nfs4_access
static int nfs4_access(vnode_t *, int, int, cred_t *, caller_context_t *);
VOPNAME_ACCESS, { .vop_access = nfs4_access },
error = nfs4_access(dvp, VEXEC, 0, cr, NULL);
error = nfs4_access(dvp, VEXEC, 0, cr, NULL);
e.error = nfs4_access(dvp, VEXEC, 0, cr, NULL);
e.error = nfs4_access(dvp, VEXEC, 0, cr, NULL);
e.error = nfs4_access(dvp, VEXEC, 0, cr, NULL);
e.error = nfs4_access(dvp, VEXEC, 0, cr, NULL);
nfs4_access(vpi, VREAD, 0, cr, NULL) == 0)
nfs4_access(vpi, VWRITE, 0, cr, NULL) == 0)