From: Mark Lord Subject: Re: [PATCH 2/2] Add batched discard support for ext4. Date: Tue, 27 Apr 2010 21:25:00 -0400 Message-ID: <4BD78E6C.6000709@teksavvy.com> References: <1271674527-2977-1-git-send-email-lczerner@redhat.com> <4BD2F69D.7070508@redhat.com> <4BD30393.4050800@redhat.com> <4BD324B5.4030808@redhat.com> <4BD33B61.2080807@redhat.com> <4BD59C84.4040200@teksavvy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "Martin K. Petersen" , Ric Wheeler , Eric Sandeen , Lukas Czerner , Jeff Moyer , linux-ext4@vger.kernel.org, Edward Shishkin , Eric Sandeen , Christoph Hellwig To: Greg Freemyer Return-path: Received: from ironport2-out.teksavvy.com ([206.248.154.181]:36053 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755013Ab0D1BZE (ORCPT ); Tue, 27 Apr 2010 21:25:04 -0400 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: On 26/04/10 11:27 AM, Greg Freemyer wrote: .. > Mark, or anyone, do you think it would be a bad idea for me to push > for Opensuse 11.3 (2.6.34 based) to use wiper.sh as a standard ext4 > discard tool? hdparm and wiper.sh are already in the distro, it just > needs a cron entry and maybe some basic management infrastructure. > They're at feature freeze for 11.3, so I don't know if I can get it in > or not. .. I'd hold off for now. Rumour has it that Intel SSDs are not 100% compliant with TRIM -- they fail with large amounts of range data. I don't have an Intel SSD to verify that or fix it with. Cheers