From patchwork Fri May 20 02:21:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 9128531 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8D7376048B for ; Fri, 20 May 2016 02:21:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E69B1FEBD for ; Fri, 20 May 2016 02:21:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7295720622; Fri, 20 May 2016 02:21:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F404A1FEBD for ; Fri, 20 May 2016 02:21:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754038AbcETCVU (ORCPT ); Thu, 19 May 2016 22:21:20 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:58349 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753977AbcETCVT (ORCPT ); Thu, 19 May 2016 22:21:19 -0400 X-IronPort-AV: E=Sophos;i="5.20,367,1444665600"; d="scan'208";a="492937" Received: from unknown (HELO cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 20 May 2016 10:21:12 +0800 Received: from adam-work.localdomain (unknown [10.167.226.34]) by cn.fujitsu.com (Postfix) with ESMTP id D82634056401; Fri, 20 May 2016 10:21:07 +0800 (CST) From: Qu Wenruo To: dsterba@suse.cz, linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs-progs: fsck: Add more explanation on low memory mode Date: Fri, 20 May 2016 10:21:07 +0800 Message-Id: <1463710867-27127-1-git-send-email-quwenruo@cn.fujitsu.com> X-Mailer: git-send-email 2.8.2 MIME-Version: 1.0 X-yoursite-MailScanner-ID: D82634056401.AA675 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: quwenruo@cn.fujitsu.com Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It seems the initial support for low memory mode will come in recent release, it's better to add more explanation on the unsupported functions, to avoid user reporting known bugs. Signed-off-by: Qu Wenruo --- Documentation/btrfs-check.asciidoc | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/btrfs-check.asciidoc b/Documentation/btrfs-check.asciidoc index 4e27863..6b09662 100644 --- a/Documentation/btrfs-check.asciidoc +++ b/Documentation/btrfs-check.asciidoc @@ -97,7 +97,14 @@ NOTE: Do not use unless you know what you're doing. check fs in low memory usage mode(experimental) May takes longer time than normal check. + -NOTE: Doesn't work with '--repair' option yet. +[NOTE] +========================== +As this feature is still under development, some functions are not implemented +yet + +- No support for '--repair' yet. +- Only reduce memory usage of extent tree check. No effect for fs tree yet. +========================== EXIT STATUS -----------