From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Busheman Subject: Does ext4 send FUA to flush disk cache Date: Fri, 8 Apr 2011 15:02:27 -0700 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 To: linux-ext4@vger.kernel.org Return-path: Received: from mail-pz0-f66.google.com ([209.85.210.66]:36450 "EHLO mail-pz0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757040Ab1DHWC2 (ORCPT ); Fri, 8 Apr 2011 18:02:28 -0400 Received: by pzk4 with SMTP id 4so544790pzk.1 for ; Fri, 08 Apr 2011 15:02:28 -0700 (PDT) Sender: linux-ext4-owner@vger.kernel.org List-ID: I plan to use data=journal option with ext4. Would like to know if ext4 send FUA (Forced Unit Access) to flush the disk cache? Cheers Mark