NFS: Get rid of nfs_restart_rpc()

It can trivially be replaced with rpc_restart_call_prepare.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ba0da50..d2ae413 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3191,7 +3191,7 @@
 	struct nfs_server *server = NFS_SERVER(data->inode);
 
 	if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
-		nfs_restart_rpc(task, server->nfs_client);
+		rpc_restart_call_prepare(task);
 		return -EAGAIN;
 	}
 
@@ -3241,7 +3241,7 @@
 	struct inode *inode = data->inode;
 	
 	if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
-		nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+		rpc_restart_call_prepare(task);
 		return -EAGAIN;
 	}
 	if (task->tk_status >= 0) {
@@ -3298,7 +3298,7 @@
 	struct inode *inode = data->inode;
 
 	if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
-		nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+		rpc_restart_call_prepare(task);
 		return -EAGAIN;
 	}
 	nfs_refresh_inode(inode, data->res.fattr);
@@ -3838,7 +3838,7 @@
 	default:
 		if (nfs4_async_handle_error(task, data->res.server, NULL) ==
 				-EAGAIN) {
-			nfs_restart_rpc(task, data->res.server->nfs_client);
+			rpc_restart_call_prepare(task);
 			return;
 		}
 	}
@@ -4092,8 +4092,7 @@
 			break;
 		default:
 			if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
-				nfs_restart_rpc(task,
-						 calldata->server->nfs_client);
+				rpc_restart_call_prepare(task);
 	}
 }
 
@@ -4926,7 +4925,7 @@
 		task->tk_status = 0;
 		/* fall through */
 	case -NFS4ERR_RETRY_UNCACHED_REP:
-		nfs_restart_rpc(task, data->clp);
+		rpc_restart_call_prepare(task);
 		return;
 	}
 	dprintk("<-- %s\n", __func__);
@@ -5767,7 +5766,7 @@
 
 	server = NFS_SERVER(lrp->args.inode);
 	if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
-		nfs_restart_rpc(task, lrp->clp);
+		rpc_restart_call_prepare(task);
 		return;
 	}
 	spin_lock(&lo->plh_inode->i_lock);
@@ -5938,7 +5937,7 @@
 	}
 
 	if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
-		nfs_restart_rpc(task, server->nfs_client);
+		rpc_restart_call_prepare(task);
 		return;
 	}