From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20E2A3D961; Mon, 1 Apr 2024 16:17:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711988257; cv=none; b=igHHYlXfqluWphGRHx3UIkHKSZWCZExA1Zpci2nPDB3ub54Q8+bEfprJtCKugI9P38kZVQpMTQ6ciInyDOxEjOw1glOg8w9eCkef1jaUHH7qf0vCKKJHW/QyWBw5k341lgKD5g4GzaQZpJboZi7cZ1yaEcfojQAWYdQWuNbEDEI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711988257; c=relaxed/simple; bh=Etq7OAgXmOruMNuKydRFiuG7oSBp1rpdEfgCJttc/4o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WmI3IYDwpFNQsw6NPp82x7Mg2NrIKh6vxjUdoAZM/axGV5G4wicAIb98SnXGpx/AoMVcqkXG7pxHmqhQLgfwdkiyqURceG+zQHza81+f+AYO1tpRGxX+gbOi3JOCNBCtId6QYxSGUfnUjC2FqXjwNmJPrpbGYjX3B211cqX7dyE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=l26dDA9a; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="l26dDA9a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39CACC433C7; Mon, 1 Apr 2024 16:17:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1711988256; bh=Etq7OAgXmOruMNuKydRFiuG7oSBp1rpdEfgCJttc/4o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l26dDA9aZ2UTk0ekUh1Kxb/hovnNR7Bx3Ch124fpu8KeTzRoY48IruDFT9Md3SuuN jqWkMzwtXPit5W33ONY/rOZg8PV0Gzuvx55TDRTYlos9N/USLLMVuLf8JTHLyZ39fJ 47l020WHykd9OeDg2fWBRXS60bClAJJICJtSUR7o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yu Kuai , Xiao Ni , Mike Snitzer , Song Liu , Sasha Levin Subject: [PATCH 6.7 103/432] md: add a new helper reshape_interrupted() Date: Mon, 1 Apr 2024 17:41:30 +0200 Message-ID: <20240401152556.199505912@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240401152553.125349965@linuxfoundation.org> References: <20240401152553.125349965@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.7-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yu Kuai [ Upstream commit 503f9d43790fdd0c6e6ae2f4dd3f70b146ac4159 ] The helper will be used for dm-raid456 later to detect the case that reshape can't make progress. Cc: stable@vger.kernel.org # v6.7+ Signed-off-by: Yu Kuai Signed-off-by: Xiao Ni Acked-by: Mike Snitzer Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20240305072306.2562024-5-yukuai1@huaweicloud.com Signed-off-by: Sasha Levin --- drivers/md/md.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/md/md.h b/drivers/md/md.h index db0cb00e4c9ac..ea0fd76c17e75 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -571,6 +571,25 @@ static inline bool md_is_rdwr(struct mddev *mddev) return (mddev->ro == MD_RDWR); } +static inline bool reshape_interrupted(struct mddev *mddev) +{ + /* reshape never start */ + if (mddev->reshape_position == MaxSector) + return false; + + /* interrupted */ + if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + return true; + + /* running reshape will be interrupted soon. */ + if (test_bit(MD_RECOVERY_WAIT, &mddev->recovery) || + test_bit(MD_RECOVERY_INTR, &mddev->recovery) || + test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) + return true; + + return false; +} + static inline int __must_check mddev_lock(struct mddev *mddev) { return mutex_lock_interruptible(&mddev->reconfig_mutex); -- 2.43.0