adding method to request update
adding method to request update

git-tfs-id: [http://tfs2010.sones:8080/tfs/sones]$/Experimental/IGraphFSReDesign;C3011

sones/sones,yonglehou/sones,sones/sones,sones/sones,mujiansu/sones,yonglehou/sones,mujiansu/sones,yonglehou/sones,yonglehou/sones,mujiansu/sones,mujiansu/sones