smbfs_nget
error = smbfs_nget(vp->v_mount, vp, ctx->f_name,
int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
error = smbfs_nget(mp, NULL, NULL, 0, &fattr, &vp);
error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);