nfs4_proc_layoutget 2061 fs/nfs/pnfs.c  	lseg = nfs4_proc_layoutget(lgp, &timeout);
nfs4_proc_layoutget  235 fs/nfs/pnfs.h  extern struct pnfs_layout_segment* nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout);