From patchwork Wed Apr 2 08:29:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 3927381 X-Patchwork-Delegate: dave@jikos.cz Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1888C9F2B6 for ; Wed, 2 Apr 2014 08:29:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2D6122025B for ; Wed, 2 Apr 2014 08:29:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 479B520211 for ; Wed, 2 Apr 2014 08:29:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758216AbaDBI3M (ORCPT ); Wed, 2 Apr 2014 04:29:12 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:16608 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1758201AbaDBI3I (ORCPT ); Wed, 2 Apr 2014 04:29:08 -0400 X-IronPort-AV: E=Sophos;i="4.97,778,1389715200"; d="scan'208";a="28775322" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 02 Apr 2014 16:26:30 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s328Srka014982 for ; Wed, 2 Apr 2014 16:28:53 +0800 Received: from adam-work.lan (10.167.226.24) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.146.2; Wed, 2 Apr 2014 16:29:00 +0800 From: Qu Wenruo To: Subject: [PATCH 21/27] btrfs-progs: Convert man page for btrfs-map-logical. Date: Wed, 2 Apr 2014 16:29:32 +0800 Message-ID: <1396427378-10487-22-git-send-email-quwenruo@cn.fujitsu.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1396427378-10487-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1396427378-10487-1-git-send-email-quwenruo@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.24] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Convert man page for btrfs-map-logical. Signed-off-by: Qu Wenruo --- Documentation/Makefile | 2 +- Documentation/btrfs-map-logical.txt | 49 +++++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 Documentation/btrfs-map-logical.txt diff --git a/Documentation/Makefile b/Documentation/Makefile index 6954a51..d418681 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -8,7 +8,7 @@ MAN8_TXT += btrfs-convert.txt MAN8_TXT += btrfs-debug-tree.txt MAN8_TXT += btrfs-find-root.txt MAN8_TXT += btrfs-image.txt -#MAN8_TXT += btrfs-map-logical.txt +MAN8_TXT += btrfs-map-logical.txt #MAN8_TXT += btrfs-show-super.txt #MAN8_TXT += btrfstune.txt #MAN8_TXT += btrfs-zero-log.txt diff --git a/Documentation/btrfs-map-logical.txt b/Documentation/btrfs-map-logical.txt new file mode 100644 index 0000000..2a93fb0 --- /dev/null +++ b/Documentation/btrfs-map-logical.txt @@ -0,0 +1,49 @@ +btrfs-map-logical(8) +==================== + +NAME +---- +btrfs-map-logical - map btrfs logical extent to physical extent + +SYNOPSIS +-------- +'btrfs-map-logical' + +DESCRIPTION +----------- +'btrfs-map-logical' can be used to find out what the physical offsets are +on the mirrors, the result is dumped into stdout in default. + +Mainly used for debug purpose. + +OPTIONS +------- +-l|--logical :: +Logical extent to map. +-c|--copy :: +Copy of the extent to read(usually 1 or 2). +-o|--output :: +Output file to hold the extent. +-b|--bytes :: +Number of bytes to read. + +EXIT STATUS +----------- +'btrfs-map-logical' will return 0 if no error happened. +If any problems happened, 1 will be returned. + +AUTHOR +------ +Written by Shilong Wang and Wenruo Qu. + +COPYRIGHT +--------- +Copyright (C) 2013 FUJITSU LIMITED. + +License GPLv2: GNU GPL version 2 . + +This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. + +SEE ALSO +-------- +`mkfs.btrfs`(8)