diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 80ecdf2ec8b6..b83e14ad13c4 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -610,8 +610,10 @@ static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task,
 
 static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
 {
-	if (task->tk_status >= 0)
+	if (task->tk_status >= 0) {
+		hdr->res.count = hdr->args.count;
 		nfs_writeback_update_inode(hdr);
+	}
 	return 0;
 }