From patchwork Thu Dec 4 18:39:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goffredo Baroncelli X-Patchwork-Id: 5439751 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6B279BEEBA for ; Thu, 4 Dec 2014 18:39:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 94C8F20353 for ; Thu, 4 Dec 2014 18:39:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C577D20272 for ; Thu, 4 Dec 2014 18:39:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932916AbaLDSju (ORCPT ); Thu, 4 Dec 2014 13:39:50 -0500 Received: from mail-wg0-f43.google.com ([74.125.82.43]:54169 "EHLO mail-wg0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932723AbaLDSjt (ORCPT ); Thu, 4 Dec 2014 13:39:49 -0500 Received: by mail-wg0-f43.google.com with SMTP id l18so23610997wgh.16 for ; Thu, 04 Dec 2014 10:39:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/5TlHq4uxBWP5c9v1vo735ZmKqiWG5/eh1a6mV9t964=; b=A82QY9ZraFpr8rqoR4iOH0aouRLLPdvlWiBMyNlXbVN4Gpyg/SXWs4fl3989OY+kfC SDy6tauTNd0a/7lZIJZ+5Fm+72ruFHs+lP0VO+Oc/97H65lXaz+F4uKEzijQtSUL0o5B EDbna2AxALWdELk4gWGX6UNMKc0Nxo3+Ao2mdaa1sl8M1QbOp11WrMv0F4fysV5Gcbj5 a0dFTTntDQvZjO/ER4+vG0+u7eMKbnlW0x8/ONW1sTNPN/dT3V+B/RF91yksbnAp+iMK isdmReiTgLzgwIb1li8eKGPN98KYqKdrTh5u567FC+6braJWAZhkkR4rxql2C/W0FTnV wkjQ== X-Received: by 10.180.14.202 with SMTP id r10mr23421183wic.36.1417718388221; Thu, 04 Dec 2014 10:39:48 -0800 (PST) Received: from venice.bhome (ppp-252-95.24-151.libero.it. [151.24.95.252]) by mx.google.com with ESMTPSA id r10sm56037194wiy.13.2014.12.04.10.39.47 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 04 Dec 2014 10:39:47 -0800 (PST) From: Goffredo Baroncelli X-Google-Original-From: Goffredo Baroncelli To: linux-btrfs@vger.kernel.org Cc: Goffredo Baroncelli Subject: [PATCH 4/5] Add reference to BTRFS_SKIP_LVM_SNAPSHOT environment variable. Date: Thu, 4 Dec 2014 19:39:41 +0100 Message-Id: <1417718382-6753-5-git-send-email-kreijack@inwind.it> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1417718382-6753-1-git-send-email-kreijack@inwind.it> References: <1417718382-6753-1-git-send-email-kreijack@inwind.it> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, 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 Add reference to BTRFS_SKIP_LVM_SNAPSHOT environment viarble in the btrfs(8) documentation. Signed-off-by: Goffredo Baroncelli --- Documentation/btrfs.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/btrfs.txt b/Documentation/btrfs.txt index 3bdc6b4..889b97c 100644 --- a/Documentation/btrfs.txt +++ b/Documentation/btrfs.txt @@ -96,6 +96,14 @@ AVAILABILITY Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details. +ENVIRONMENT VARIABLES +--------------------- +BTRFS_SKIP_LVM_SNAPSHOT:: + Controls if the *lvm snapshots* have to be + ignored. Default "yes"; if you need to consider them, set it to "no". + Pay attention that *btrfs* may be confused if two devices have + the same dev uuid. This is the reason to skip a lvm snapshot. + SEE ALSO -------- `mkfs.btrfs`(8), `ionice`(1),