From patchwork Wed Apr 2 08:29:16 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 3927351 X-Patchwork-Delegate: dave@jikos.cz 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 98108BF540 for ; Wed, 2 Apr 2014 08:29:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B4B8520240 for ; Wed, 2 Apr 2014 08:29:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C55DB20211 for ; Wed, 2 Apr 2014 08:29:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758202AbaDBI3F (ORCPT ); Wed, 2 Apr 2014 04:29:05 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:11878 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1758143AbaDBI2y (ORCPT ); Wed, 2 Apr 2014 04:28:54 -0400 X-IronPort-AV: E=Sophos;i="4.97,778,1389715200"; d="scan'208";a="28775300" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 02 Apr 2014 16:26:14 +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 s328SbCw014922 for ; Wed, 2 Apr 2014 16:28:37 +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 16:28:44 +0800 From: Qu Wenruo To: Subject: [PATCH 05/27] btrfs-progs: Convert man page for btrfs-device subcommand. Date: Wed, 2 Apr 2014 16:29:16 +0800 Message-ID: <1396427378-10487-6-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-device subcommand. Signed-off-by: Qu Wenruo --- Documentation/Makefile | 2 +- Documentation/btrfs-device.txt | 75 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 76 insertions(+), 1 deletion(-) create mode 100644 Documentation/btrfs-device.txt diff --git a/Documentation/Makefile b/Documentation/Makefile index 4839b6d..79ae9de 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -19,7 +19,7 @@ MAN8_TXT += btrfs.txt MAN8_TXT += btrfs-subvolume.txt MAN8_TXT += btrfs-filesystem.txt MAN8_TXT += btrfs-balance.txt -#MAN8_TXT += btrfs-device.txt +MAN8_TXT += btrfs-device.txt #MAN8_TXT += btrfs-scrub.txt #MAN8_TXT += btrfs-check.txt #MAN8_TXT += btrfs-rescue.txt diff --git a/Documentation/btrfs-device.txt b/Documentation/btrfs-device.txt new file mode 100644 index 0000000..20d7bcd --- /dev/null +++ b/Documentation/btrfs-device.txt @@ -0,0 +1,75 @@ +btrfs-device(8) +=============== + +NAME +---- +btrfs-device - control btrfs devices + +SYNOPSIS +-------- +'btrfs device' + +DESCRIPTION +----------- +'btrfs device' is used to control the btrfs devices, since btrfs can be used +across several devices, 'btrfs device' is used for multiple device management. + +SUBCOMMAND +---------- +'add' [-Kf] [...] :: +Add device(s) to the filesystem identified by . ++ +If applicable, a whole device discard (TRIM) operation is performed. ++ +`Options` ++ +-K|--nodiscard:::: +do not perform discard by default +-f|--force:::: +force overwrite of existing filesystem on the given disk(s) + +'delete' [...] :: +Remove device(s) from a filesystem identified by . + +'scan' [(--all-devices|-d)| [...]]:: +Scan devices for a btrfs filesystem. ++ +If one or more devices are passed, these are scanned for a btrfs filesystem. +If no devices are passed, btrfs uses block devices containing btrfs +filesystem as listed by blkid. +Finally, if '--all-devices' or '-d' is passed, all the devices under /dev are +scanned. + +'disk-usage' [-b] [..]:: +Show which chunks are in a device. ++ +If '-b' is given, byte will be set as unit. + +'ready' :: +Check device to see if it has all of it's devices in cache for mounting. + +'stats' [-z] |:: +Read and print the device IO stats for all devices of the filesystem +identified by or for a single . ++ +`Options` ++ +-z:::: +Reset stats to zero after reading them. + +EXIT STATUS +----------- +'btrfs device' returns a zero exist status if it succeeds. Non zero is +returned in case of failure. + +AVAILABILITY +------------ +'btrfs' is part of btrfs-progs. Btrfs filesystem is currently under heavy +development, +and not suitable for any uses other than benchmarking and review. +Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for +further details. + +SEE ALSO +-------- +`mkfs.btrfs`(8),