diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c
index 2185e2908dba..d1a0264b08a6 100644
--- a/fs/cachefiles/ondemand.c
+++ b/fs/cachefiles/ondemand.c
@@ -78,8 +78,10 @@ static ssize_t cachefiles_ondemand_fd_write_iter(struct kiocb *kiocb,
 
 	trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len);
 	ret = __cachefiles_write(object, file, pos, iter, NULL, NULL);
-	if (!ret)
+	if (!ret) {
 		ret = len;
+		kiocb->ki_pos += ret;
+	}
 
 	return ret;
 }