From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 493CF370D5C for ; Fri, 3 Jul 2026 08:41:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783068108; cv=none; b=pSM4RRb1w2/Nckx7AUuJxcCk6S8oAwGt3q/YmQiXRdG9mfCnUIxNd3HjhFqVCjb1nptfgXkdSeRZhOy91yGrhM6yupCxSztHL4WNrHA35g2NFMKONpGrATgZ8QaHvtg9I56XFOPsu72yaHM4jJwqWvDEIq9D2P1BJsgRZSleegw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783068108; c=relaxed/simple; bh=LLvaEnmcxeVxOgF9Y5xn9mDWzyaDttfIjZZwSuoXwcY=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=b8hOAinRAmrseS647WtwlBKUfSUhAR2AnF9k1CUtRaVjHcCfWt0cky8/OJmtz1lQ7Rqe25xSmISiKlP+NI6xVMDRlJNdcYlQWdVeQncRqsHMh7kPBEyHJmxEhFZnppc40YBbnrXXo/WzPp34qdkhrCISzTn4wnQwGvWnTWtB/V4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b=gRCqJdUm; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b=gRCqJdUm; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="gRCqJdUm"; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="gRCqJdUm" Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 5CBFC72A7E for ; Fri, 3 Jul 2026 08:41:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1783068104; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Zvr9qB8F/5ZEaFpPgQ06DSRk8vlrKuHIJqquXL8SahQ=; b=gRCqJdUmc6l99gPR2HTUleAsDOZS7GebiwjyWMWIh2So1vYbG+9YYy7iJ0fw/PfJfKFh4Q tcbE68Y/sd3JqycX7hLUzGgqYQzrFFBbxJAXlBtVGfu2fwhkMzcP/i2T1Vmyz2gDjBi8+j vE0eS42vyMggp0gHTxnCkKfk85o2jQg= Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1783068104; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Zvr9qB8F/5ZEaFpPgQ06DSRk8vlrKuHIJqquXL8SahQ=; b=gRCqJdUmc6l99gPR2HTUleAsDOZS7GebiwjyWMWIh2So1vYbG+9YYy7iJ0fw/PfJfKFh4Q tcbE68Y/sd3JqycX7hLUzGgqYQzrFFBbxJAXlBtVGfu2fwhkMzcP/i2T1Vmyz2gDjBi8+j vE0eS42vyMggp0gHTxnCkKfk85o2jQg= Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 5AAAA779AA for ; Fri, 3 Jul 2026 08:41:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id sZgIA8d1R2p6RAAAD6G6ig (envelope-from ) for ; Fri, 03 Jul 2026 08:41:43 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 0/3] btrfs: small changes to "usebackuproot" mount Date: Fri, 3 Jul 2026 18:11:13 +0930 Message-ID: X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.998]; MIME_GOOD(-0.10)[text/plain]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:mid]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[linux-btrfs@vger.kernel.org]; RCVD_TLS_ALL(0.00)[] X-Spam-Level: X-Spam-Score: -2.80 [CHANGELOG] v2: - Also include "rescue=usebackroot" into "rescue=all" shortcut "rescue=usebackuproot" mount option is not requiring a read-only mount, which is different from all the other options in the "rescue=" group. Address that in the first patch. Standalone "usebackuproot" mount option is already marked deprecated since v5.9, I see no practical reason to keep supporting it in 2026. Just remove it in the second patch. Qu Wenruo (3): btrfs: add "rescue=usebackuproot" into forced read-only options btrfs: add "rescue=usebackuproot" into "rescue=all" shortcut btrfs: remove "usebackuproot" mount option fs/btrfs/super.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) -- 2.54.0