NFSv4.1 use pnfs_device maxcount for the objectlayout gdia_maxcount

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/objlayout/objlayout.c

@@ -613,6 +613,7 @@ int objlayout_get_deviceinfo(struct pnfs_layout_hdr *pnfslay,
 	pd.pgbase = 0;
 	pd.pglen = PAGE_SIZE;
 	pd.mincount = 0;
+	pd.maxcount = PAGE_SIZE;
 
 	err = nfs4_proc_getdeviceinfo(NFS_SERVER(pnfslay->plh_inode), &pd,
 			pnfslay->plh_lc_cred);