Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262918AbUCRUKH (ORCPT ); Thu, 18 Mar 2004 15:10:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262917AbUCRUKH (ORCPT ); Thu, 18 Mar 2004 15:10:07 -0500 Received: from ns.suse.de ([195.135.220.2]:54474 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S262918AbUCRUKC (ORCPT ); Thu, 18 Mar 2004 15:10:02 -0500 Subject: Re: True fsync() in Linux (on IDE) From: Chris Mason To: Jens Axboe Cc: Peter Zaitsev , Linux Kernel In-Reply-To: <20040318194745.GA2314@suse.de> References: <1079572101.2748.711.camel@abyss.local> <20040318064757.GA1072@suse.de> <1079639060.3102.282.camel@abyss.local> <20040318194745.GA2314@suse.de> Content-Type: text/plain Message-Id: <1079640699.11062.1.camel@watt.suse.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Thu, 18 Mar 2004 15:11:40 -0500 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 759 Lines: 21 On Thu, 2004-03-18 at 14:47, Jens Axboe wrote: > > With 2.6.3 I have both existing file and new file to complete in less > > than 1 second. > > I believe some missed set_page_writeback() calls caused fsync() to never > really wait on anything, pretty broken... IIRC, it's fixed in latest > -mm, or maybe it's just pending for next release. This should have only been broken in -mm. Which kernels exactly are you comparing? Maybe the 3ware array defaults to different writecache settings under 2.6? -chris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/