fuse: use kiocb_modified in buffered write path

This combines the file_remove_privs() and file_update_time() call into
one call.

Signed-off-by: Josef Bacik <[email protected]>
Reviewed-by: Bernd Schubert <[email protected]>
Signed-off-by: Miklos Szeredi <[email protected]>

Author: josefbacik

fs/fuse/file.c

@@ -1462,11 +1462,7 @@ static ssize_t fuse_cache_write_iter(struct kiocb *iocb, struct iov_iter *from)
 
 	task_io_account_write(count);
 
-	err = file_remove_privs(file);
-	if (err)
-		goto out;
-
-	err = file_update_time(file);
+	err = kiocb_modified(iocb);
 	if (err)
 		goto out;