From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932294AbWITTNv (ORCPT ); Wed, 20 Sep 2006 15:13:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932295AbWITTNv (ORCPT ); Wed, 20 Sep 2006 15:13:51 -0400 Received: from nsm.pl ([195.34.211.229]:530 "EHLO nsm.pl") by vger.kernel.org with ESMTP id S932294AbWITTNu (ORCPT ); Wed, 20 Sep 2006 15:13:50 -0400 Date: Wed, 20 Sep 2006 21:13:44 +0200 From: Tomasz Torcz To: CIJOML Cc: linux-kernel@vger.kernel.org Subject: Re: Very slow write on flash drive in sync mode??? Message-ID: <20060920191343.GA15386@irc.pl> Mail-Followup-To: CIJOML , linux-kernel@vger.kernel.org References: <200609202058.05816.cijoml@volny.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200609202058.05816.cijoml@volny.cz> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 20, 2006 at 08:58:05PM +0200, CIJOML wrote: > Hi, > > I use SanDisk cruzer Titanium 2 GB mounted as sync in fstab > /dev/sda1 /mnt/cruzer_sync vfat user,noauto,sync > > When I use flash drive in sync mode, it writes on it only 64kB/s. When I > umount it and mount it in not sync mode but do sync manually after it writes > into memory, kernel writes on flash drive 11 MB/s!!! What is wrong in my > configuration? That's expected with sync vfat mount. Use other filesystem or async. -- Tomasz Torcz "Funeral in the morning, IDE hacking zdzichu@irc.-nie.spam-.pl in the afternoon and evening." - Alan Cox