smb_vop_getattr
rc = smb_vop_getattr(snode->vp, unnamed_vp, attr, flags, cr);
rc = smb_vop_getattr(fnode->vp, NULL, &fattr, 0, kcr);
VERIFY0(smb_vop_getattr(rootdir, NULL, &attr, 0, kcred));
error = smb_vop_getattr(vp, unnamed_vp, &attr, 0, zone_kcred());
(void) smb_vop_getattr(fvp, NULL, &attr, 0, zone_kcred());
(void) smb_vop_getattr(*vp, NULL, attr, 0, zone_kcred());
(void) smb_vop_getattr(*vpp, NULL, attr, 0,
int smb_vop_getattr(vnode_t *, vnode_t *, smb_attr_t *, int, cred_t *);