From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 76261] ext4_da_writepages err -30 after remount ro during shutdown Date: Fri, 16 May 2014 04:27:15 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.19.201]:55682 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751484AbaEPE1T (ORCPT ); Fri, 16 May 2014 00:27:19 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D5E0E20306 for ; Fri, 16 May 2014 04:27:18 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id 338FA2034B for ; Fri, 16 May 2014 04:27:16 +0000 (UTC) In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=76261 --- Comment #8 from kun.chen --- Sorry, I'm not say clear. Ext4 was mounted as dealloc, when applications write, they don't know shutdown happened later. So after emergency remount ro, flush worker begin write dirty data. This flow maybe normal. But as system already remounted to read only, whether we want or not, already can't flush dirty data back, so still writeback seems unnecessary. -- You are receiving this mail because: You are watching the assignee of the bug.