VT_XFS             68 sys/vnode.h    	VT_EXT2FS, VT_VFS, VT_XFS, VT_NTFS, VT_UDF
VT_XFS             61 xfs/xfs_node-bsd.c     error = getnewvnode(VT_XFS, NNPFS_TO_VFS(xfsp), xfs_vnodeop_p, vpp);
VT_XFS            509 xfs/xfs_syscalls-common.c 	if (vp->v_tag != VT_XFS) {