From mboxrd@z Thu Jan 1 00:00:00 1970 From: Piotr Hosowicz Subject: Re: linux-next: Tree for December 27 Date: Mon, 27 Dec 2010 16:45:38 +0100 Message-ID: <4D18B4A2.1030107@example.com> References: <20101227170451.a9a9f873.sfr@canb.auug.org.au> <4D18A480.2060309@example.com> <4D18A972.1020205@example.com> <4D18AD30.9070707@example.com> Reply-To: piotr@hosowicz.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from 63.mail-out.ovh.net ([91.121.185.56]:42181 "HELO 63.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754213Ab0L0Ppl (ORCPT ); Mon, 27 Dec 2010 10:45:41 -0500 In-Reply-To: <4D18AD30.9070707@example.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: piotr@hosowicz.com Cc: sedat.dilek@gmail.com, Sedat Dilek , Stephen Rothwell , linux-next@vger.kernel.org, LKML On 27.12.2010 16:13, Piotr Hosowicz wrote: > On 27.12.2010 16:08, Sedat Dilek wrote: >> 2010/12/27 Piotr Hosowicz: >>> On 27.12.2010 15:48, Sedat Dilek wrote: >>>> >>>> 2010/12/27 Piotr Hosowicz: >>>>> >>>>> On 27.12.2010 07:04, Stephen Rothwell wrote: >>>>> >>>>> Hello, >>>>> >>>>> I noticed that after first reboot with this kernel that my MP3 >>>>> collection >>>>> in >>>>> mocp layed on Ext4 fs opens painfully slow. It is not my mistake, >>>>> because >>>>> I >>>>> always do it the same way, new kernel, then music on. The problem >>>>> is not >>>>> present in rc7-git4. I could measure it in some way (timing ls -l= a >>>>> in tht >>>>> dir?) if somebody needs it. >>>>> >>>>> Regards, >>>>> >>>>> Piotr Hosowicz >>>>> >>>> >>>> You tried mblk_io_submit mount-option for that partition? >>> >>> No, I do not use it, I do not even know what it is. My options are: >>> >>> /dev/sda2 on / type ext4 (rw,errors=3Dremount-ro) >>> >> >> Have a closer look at "ext4: Turn off multiple page-io submission by >> default" > > I tried to Google for mblk_io_submit but I didn't find anything helpf= ul. > Could you tell me how should I add this option in fstab and what will= be > its effect? As far as I understand that option regards writing, not reading. The=20 symptoms I described occured while reading only. Regards, Piotr Hosowicz --=20 TV: "W tej chwili, =BFe si=EA tak wyra=BF=EA, zaliczonych mamy 17 zawod= niczek." NP: Peter Green Splinter Group - Say That You Want To NB: 2.6.37-rc7-next-20101227