873 	struct vfsioattr ioattr;  in vnioctl()  local
921 		vfs_ioattr(vnode_mount(vn->sc_vp), &ioattr);  in vnioctl()
923 		bzero(&ioattr, sizeof(ioattr));  in vnioctl()
931 		*o = ioattr.io_maxreadcnt / vn->sc_secsize;  in vnioctl()
934 		*o = ioattr.io_maxwritecnt / vn->sc_secsize;  in vnioctl()
937 		*o = ioattr.io_maxreadcnt;  in vnioctl()
940 		*o = ioattr.io_maxwritecnt;  in vnioctl()
943 		*o = ioattr.io_segreadcnt;  in vnioctl()
946 		*o = ioattr.io_segwritecnt;  in vnioctl()
949 		*o = ioattr.io_maxsegreadsize;  in vnioctl()
952 		*o = ioattr.io_maxsegwritesize;  in vnioctl()