Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754387Ab0KSNyW (ORCPT ); Fri, 19 Nov 2010 08:54:22 -0500 Received: from ironport2-out.teksavvy.com ([206.248.154.181]:26385 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754121Ab0KSNyU (ORCPT ); Fri, 19 Nov 2010 08:54:20 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApIBAIMQ5kxLd/sX/2dsb2JhbAAHgz3MIJELgSKDNnMEhFqLEw X-IronPort-AV: E=Sophos;i="4.59,223,1288584000"; d="scan'208";a="82976686" Message-ID: <4CE6818A.9020608@teksavvy.com> Date: Fri, 19 Nov 2010 08:54:18 -0500 From: Mark Lord User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: Christoph Hellwig CC: James Bottomley , Matthew Wilcox , Josef Bacik , Lukas Czerner , tytso@mit.edu, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, sandeen@redhat.com Subject: Re: [PATCH 1/2] fs: Do not dispatch FITRIM through separate super_operation References: <1290065809-3976-1-git-send-email-lczerner@redhat.com> <20101118130630.GJ6178@parisc-linux.org> <20101118134804.GN5618@dhcp231-156.rdu.redhat.com> <20101118141957.GK6178@parisc-linux.org> <20101118142918.GA18510@infradead.org> <1290100750.3041.72.camel@mulgrave.site> <4CE59C9E.6050902@teksavvy.com> <20101119110903.GA10944@infradead.org> In-Reply-To: <20101119110903.GA10944@infradead.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 761 Lines: 19 On 10-11-19 06:09 AM, Christoph Hellwig wrote: > On Thu, Nov 18, 2010 at 04:37:34PM -0500, Mark Lord wrote: >> Currently, I patch my kernels to remove the automatic online TRIMs. >> Is there a knob somewhere for this in the later kernels? > > There is not automatic discard in any recent kernel. You always need > to mount with -o discard to enabled it. Peachy. Thanks, Christoph. My 2-year old userspace here doesn't have "-o discard", so I couldn't find it in the man pages etc.. thus my paranoia. :) Cheers -- 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/