From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64D2CC433F5 for ; Fri, 10 Sep 2021 06:03:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E3D76113A for ; Fri, 10 Sep 2021 06:03:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231169AbhIJGEx (ORCPT ); Fri, 10 Sep 2021 02:04:53 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:34210 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231166AbhIJGEx (ORCPT ); Fri, 10 Sep 2021 02:04:53 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id E9F40223DF for ; Fri, 10 Sep 2021 06:03:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1631253821; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Leix+PepuCSCV/Yehxv03D1eYN+fdo5tWhvcv7A7EFQ=; b=AOsb2aRzU6WRfMIXLFbT7ShHR5Ox6QecLXo0xcUp0yCkN9aebqs3jCdrE1e4jinBCqhcaa nmNhT8I11S6CveftCGiKpGlftMR8AHGGFn05cyd48Vd3DLN5GctQTMhq9CMlpKZgEihUiK ONHema1sg17OybLTKKF6NHBSDBrjPq0= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 3312F13D02 for ; Fri, 10 Sep 2021 06:03:40 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id CL2hOTz1OmFMEwAAMHmgww (envelope-from ) for ; Fri, 10 Sep 2021 06:03:40 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH 2/2] btrfs-progs: doc: add extra note on flipping read-only on received subvolumes Date: Fri, 10 Sep 2021 14:03:35 +0800 Message-Id: <20210910060335.38617-3-wqu@suse.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210910060335.38617-1-wqu@suse.com> References: <20210910060335.38617-1-wqu@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Signed-off-by: Qu Wenruo --- Documentation/btrfs-property.asciidoc | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/btrfs-property.asciidoc b/Documentation/btrfs-property.asciidoc index 4796083378e4..8949ea22edae 100644 --- a/Documentation/btrfs-property.asciidoc +++ b/Documentation/btrfs-property.asciidoc @@ -42,6 +42,12 @@ the following: ro:::: read-only flag of subvolume: true or false ++ +NOTE: For recevied subvolumes, flipping from read-only to read-write will +either remove the recevied UUID and prevent future incremental receive +(on newer kernels), or cause future data corruption and recevie failure +(on older kernels). + label:::: label of the filesystem. For an unmounted filesystem, provide a path to a block device as object. For a mounted filesystem, specify a mount point. -- 2.33.0