From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757188Ab0KJRKU (ORCPT ); Wed, 10 Nov 2010 12:10:20 -0500 Received: from mail-gx0-f174.google.com ([209.85.161.174]:52351 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757149Ab0KJRKT (ORCPT ); Wed, 10 Nov 2010 12:10:19 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=ME/sD4Pr2jwpzuEcW5mHcvmpIauYVrkudsA71wGvNx+g+DNEJNX6oixyHfL7Cdrvfe O1YkUQ9FwIzugE98HueH+pHeNYRSZrRSqNsFs+RYssujOFuvRMpqxm+iZy26ZIDVhpgk kMKh9GJ0cG5soac2J8Y/iImi4Dc3zQ1fMiCEQ= MIME-Version: 1.0 In-Reply-To: References: <20101105014334.GF13830@dastard> <4CD696B4.6070002@kernel.dk> <20101110013255.GR2715@dastard> Date: Wed, 10 Nov 2010 19:10:17 +0200 Message-ID: Subject: Re: 2.6.36 io bring the system to its knees From: Alexey Dobriyan To: Linus Torvalds Cc: Dave Chinner , Jens Axboe , dave b , Sanjoy Mahajan , Jesper Juhl , Chris Mason , Ingo Molnar , Pekka Enberg , Aidar Kultayev , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Peter Zijlstra , Nick Piggin , Arjan van de Ven , Thomas Gleixner , "Ted Ts'o" , Corrado Zoccolo , Shaohua Li , Steven Barrett Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 10, 2010 at 6:55 PM, Linus Torvalds wrote: > On Wed, Nov 10, 2010 at 8:46 AM, Alexey Dobriyan wrote: >> Those of us, who did (without UPS), will never do it again. > > Before or after the change to make renaming on top of old files do the > IO flushing? It was long ago, so before patch. > That made a big difference for some rather common cases. That's good. Maybe, it's only an order of magnitude likely to lose FS now instead of several. :-) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id E4A896B004A for ; Wed, 10 Nov 2010 12:10:20 -0500 (EST) Received: by yxm8 with SMTP id 8so570741yxm.14 for ; Wed, 10 Nov 2010 09:10:18 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <20101105014334.GF13830@dastard> <4CD696B4.6070002@kernel.dk> <20101110013255.GR2715@dastard> Date: Wed, 10 Nov 2010 19:10:17 +0200 Message-ID: Subject: Re: 2.6.36 io bring the system to its knees From: Alexey Dobriyan Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org To: Linus Torvalds Cc: Dave Chinner , Jens Axboe , dave b , Sanjoy Mahajan , Jesper Juhl , Chris Mason , Ingo Molnar , Pekka Enberg , Aidar Kultayev , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Peter Zijlstra , Nick Piggin , Arjan van de Ven , Thomas Gleixner , Ted Ts'o , Corrado Zoccolo , Shaohua Li , Steven Barrett List-ID: On Wed, Nov 10, 2010 at 6:55 PM, Linus Torvalds wrote: > On Wed, Nov 10, 2010 at 8:46 AM, Alexey Dobriyan wrote: >> Those of us, who did (without UPS), will never do it again. > > Before or after the change to make renaming on top of old files do the > IO flushing? It was long ago, so before patch. > That made a big difference for some rather common cases. That's good. Maybe, it's only an order of magnitude likely to lose FS now instead of several. :-) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org