From patchwork Wed Jan 14 16:44:56 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Haynes X-Patchwork-Id: 5633571 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2226B9F357 for ; Wed, 14 Jan 2015 16:46:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4E10C20138 for ; Wed, 14 Jan 2015 16:46:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65F8120123 for ; Wed, 14 Jan 2015 16:46:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754019AbbANQqZ (ORCPT ); Wed, 14 Jan 2015 11:46:25 -0500 Received: from mail-pd0-f181.google.com ([209.85.192.181]:55812 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753465AbbANQqX (ORCPT ); Wed, 14 Jan 2015 11:46:23 -0500 Received: by mail-pd0-f181.google.com with SMTP id v10so10668097pde.12 for ; Wed, 14 Jan 2015 08:46:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=WhHRyneT+44DYVH8/vRJwc03sBJ7OmR9xi1hvcDtalI=; b=ZRqrjEe1LgUVdNmnjbLbF50g3BnF7A8iRPr46rDLZ1zBgyOvg3C1Cidzr38YcENJDV 5BdytdULaVKHBY6hApYgRCGfoZfxmuSdsAvdFqmumCeY+BjBYeCJyPNbZ3Utx075wbe3 qOQsnnJwA3Ae/wHYmra1cf/unVcvwTwYp5FENzGxp4k+rSsVp74r/SFOtoyfIrmzkQs0 bqhiXRCnwvN/SeAbaZGNhHlwixaNJRtE2uAG5tMojq1XlGx0oXbPqXMDYX5KXnuBphi/ XAFAZBhnNJCV/dAhyTRejhn3NIwYVHRhxUnwYaA6m/TICwMZ1qO66wYAbokhrBMTDzRA j/XQ== X-Gm-Message-State: ALoCoQmBh2qAJ92O06tWE9eN+rWsWx4eYYI7nheco7eHjSo1SOhsLAn1EtuGHqr4Yms7hu6qjm5T X-Received: by 10.66.184.206 with SMTP id ew14mr6984391pac.3.1421253983242; Wed, 14 Jan 2015 08:46:23 -0800 (PST) Received: from localhost.localdomain ([50.242.95.105]) by mx.google.com with ESMTPSA id u7sm12239039pdp.45.2015.01.14.08.46.22 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Jan 2015 08:46:22 -0800 (PST) From: Tom Haynes X-Google-Original-From: Tom Haynes To: Trond Myklebust Cc: Linux NFS Mailing list Subject: [PATCH v4 50/50] pnfs: Update documentation on the Layout Drivers Date: Wed, 14 Jan 2015 08:44:56 -0800 Message-Id: <1421253896-73106-51-git-send-email-loghyr@primarydata.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1421253896-73106-1-git-send-email-loghyr@primarydata.com> References: <1421253896-73106-1-git-send-email-loghyr@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Tom Haynes --- Documentation/filesystems/nfs/pnfs.txt | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/Documentation/filesystems/nfs/pnfs.txt b/Documentation/filesystems/nfs/pnfs.txt index adc81a3..44a9f24 100644 --- a/Documentation/filesystems/nfs/pnfs.txt +++ b/Documentation/filesystems/nfs/pnfs.txt @@ -57,15 +57,16 @@ bit is set, preventing any new lsegs from being added. layout drivers -------------- -PNFS utilizes what is called layout drivers. The STD defines 3 basic -layout types: "files" "objects" and "blocks". For each of these types -there is a layout-driver with a common function-vectors table which -are called by the nfs-client pnfs-core to implement the different layout -types. +PNFS utilizes what is called layout drivers. The STD defines 4 basic +layout types: "files", "objects", "blocks", and "flexfiles". For each +of these types there is a layout-driver with a common function-vectors +table which are called by the nfs-client pnfs-core to implement the +different layout types. -Files-layout-driver code is in: fs/nfs/nfs4filelayout.c && nfs4filelayoutdev.c +Files-layout-driver code is in: fs/nfs/filelayout/.. directory Objects-layout-deriver code is in: fs/nfs/objlayout/.. directory Blocks-layout-deriver code is in: fs/nfs/blocklayout/.. directory +Flexfiles-layout-driver code is in: fs/nfs/flexfilelayout/.. directory objects-layout setup --------------------