nfs_supportsposixacls
if (nfsrv_useacl == 0 || nfs_supportsposixacls(vp) == 0) {
if (nfsrv_useacl && nfs_supportsposixacls(vp)) {
if (nfsrv_useacl && nfs_supportsposixacls(vp)) {
int nfs_supportsposixacls(struct vnode *);
nfs_supportsposixacls(vp) == 0)) {
else if (nfs_supportsposixacls(vp) != 0)