From patchwork Thu Jan 22 23:36:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Haynes X-Patchwork-Id: 5689811 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 60E98C058D for ; Thu, 22 Jan 2015 23:38:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8917B2026F for ; Thu, 22 Jan 2015 23:38:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7EC920268 for ; Thu, 22 Jan 2015 23:38:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754633AbbAVXis (ORCPT ); Thu, 22 Jan 2015 18:38:48 -0500 Received: from mail-pd0-f172.google.com ([209.85.192.172]:55732 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753860AbbAVXis (ORCPT ); Thu, 22 Jan 2015 18:38:48 -0500 Received: by mail-pd0-f172.google.com with SMTP id v10so4634242pde.3 for ; Thu, 22 Jan 2015 15:38:47 -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=geS1j7nvE84IReEMr3z00QjvR8wo9ZKaBr06/b0IY7x0i9GHXbXa6xGn9SOuu/piAj f09rok5iTHQVeExLTdaeogzEYmqMNpm1W3HSD3v9z3iVs6AWXccldZ9HP3+/TkIBDmFD GHwXoiKujMPOjv8RRqQwnSAMpZbqj63Gh2TZz2jmkjmKtoxWe44xNW98uuyFHndNf25t tFmnEkE/9DHvNwhfr2Nb1/KgdDvrFjuapKIpwEoJF9kfPpVRfJlPphCSUGVYKK43vFJM rLZH+OzE/Ob2SRE4nXP8yuSDJhJ0gStXacooDboqoBQGGr13Ad+LEBbGPoOZqZ91JpVl sV4A== X-Gm-Message-State: ALoCoQlVm6LlXbCVinrZCzrTCJ/IBrcD6A93UfcBdmP7Wft+n1OGFwmwQrLbTI/NzbcRuHSiJJHF X-Received: by 10.68.222.40 with SMTP id qj8mr6323325pbc.51.1421969927835; Thu, 22 Jan 2015 15:38:47 -0800 (PST) Received: from localhost.localdomain ([50.242.95.105]) by mx.google.com with ESMTPSA id fu1sm366817pdb.80.2015.01.22.15.38.46 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Jan 2015 15:38:47 -0800 (PST) From: Tom Haynes X-Google-Original-From: Tom Haynes To: Trond Myklebust Cc: Linux NFS Mailing list Subject: [PATCH v5 51/51] pnfs: Update documentation on the Layout Drivers Date: Thu, 22 Jan 2015 15:36:23 -0800 Message-Id: <1421969783-92997-52-git-send-email-loghyr@primarydata.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1421969783-92997-1-git-send-email-loghyr@primarydata.com> References: <1421969783-92997-1-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 --------------------