From: "Martin K. Petersen" Subject: Re: [PATCH 2/2] Add batched discard support for ext4. Date: Sat, 24 Apr 2010 14:39:22 -0400 Message-ID: References: <1271674527-2977-1-git-send-email-lczerner@redhat.com> <1271674527-2977-3-git-send-email-lczerner@redhat.com> <4BCE6243.5010209@teksavvy.com> <4BCE66C5.3060906@redhat.com> <4BCF4C53.3010608@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Lukas Czerner , Jeff Moyer , Ric Wheeler , Eric Sandeen , Mark Lord , linux-ext4@vger.kernel.org, Edward Shishkin , Eric Sandeen , Christoph Hellwig To: Greg Freemyer Return-path: Received: from rcsinet10.oracle.com ([148.87.113.121]:65425 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752301Ab0DXSkt (ORCPT ); Sat, 24 Apr 2010 14:40:49 -0400 In-Reply-To: (Greg Freemyer's message of "Sat, 24 Apr 2010 09:24:09 -0400") Sender: linux-ext4-owner@vger.kernel.org List-ID: >>>>> "Greg" == Greg Freemyer writes: Greg> That may mean the topology information needs to grow some discard Greg> info. Does anyone know if that info is easily derived from the Greg> currently existing topo info? The values are already part of the topology information (assuming the device reports them). Went into 2.6.33. -- Martin K. Petersen Oracle Linux Engineering