NFS: Get rid of unnecessary calls to ClearPageError() in read code

The generic file read code does that for us anyway.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index e866a7e..09829d96 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -322,7 +322,6 @@
 		offset += len;
 	} while(nbytes != 0);
 	atomic_set(&req->wb_complete, requests);
-	ClearPageError(page);
 	desc->pg_rpc_callops = &nfs_read_partial_ops;
 	return ret;
 out_bad:
@@ -357,7 +356,6 @@
 		req = nfs_list_entry(head->next);
 		nfs_list_remove_request(req);
 		nfs_list_add_request(req, &data->pages);
-		ClearPageError(req->wb_page);
 		*pages++ = req->wb_page;
 	}
 	req = nfs_list_entry(data->pages.next);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index ad90b0c9..2219c88 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1011,7 +1011,6 @@
 		req = nfs_list_entry(head->next);
 		nfs_list_remove_request(req);
 		nfs_list_add_request(req, &data->pages);
-		ClearPageError(req->wb_page);
 		*pages++ = req->wb_page;
 	}
 	req = nfs_list_entry(data->pages.next);