tmpfs_use_nc
if (tmpfs_use_nc(fvp)) {
if (tmpfs_use_nc(dvp)) {
if ((cnp->cn_flags & MAKEENTRY) != 0 && tmpfs_use_nc(dvp))
if (error == 0 && (cnp->cn_flags & MAKEENTRY) != 0 && tmpfs_use_nc(dvp))