From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793178840; b=VajHkKk2fjPLYNj4SjQG0JmyPAkrby83vTQqpz2CswlcMzCK/9FkE6vOC/D7Est+GPKq yGxT/2bMx51P80B15/2zRW1Fn/FKnB2AnTfyLv5DLWffzHAYWbbwclNIdTQlzWnV0MvtA zn2lskhE4cQf+sMzmdhNQTufBW5IcRlrnCeu3QzOK1Vjrpm3aABLLltZ6HzJ1TkeD35Ku /HJilE9NlDOuO9ZQrHOh9bsimU7Ll+WRBdj4a9nLBCtEhiuxf708VmAywaJAiEA6+uNJX 9hsYzqXwaYx9rfpr/6IllW2zMFBY/JwKnfH5+4JLKJXjptaBZ2yMoXKhL/gOu4F5xQg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793178840; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:Organization:X-Mailer:MIME-Version: Content-Type:Content-Transfer-Encoding; bh=3xrgxneouFwtOs11/XMOG8refXLuhdXbWO3nsZfe/0o=; b=YLgdk7UpmaqvL0Mhu0iZE+NXacpjOLKfucwzEMGfB6h4Uy9Eh7EwqqApJGscBq2gvXoy RbIW141WWkgSzszfCAH6FJcX4dNrpePr5f8ojXGrIqYeCnCO4Ep73QjhujHvTk9unPu8r Trj9QC2BuwD5cRS5fQpCKcY3wSmAQDmPEiawcjfP+LHxZSEvZTFFBxGfsTBcgsyEvXdEe mcZNr8101ieA2yoGqhkUboxB+ZAHoFHusU2AU+BNN5uZzMylhr7fE3+u3UuYJnMWXqkgF kuuxvJG4nARgMUVN/KpwD6ndOi/Y3qig8dTcGIQ4iSo+Th4FAvE4CZi4phvecLHIYqA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Hfq41xx9; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD07D606A31A; Wed, 28 Oct 2026 09:13:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Hfq41xx9 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 524C91F01829; Wed, 28 Oct 2026 09:13:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793178839; bh=3xrgxneouFwtOs11/XMOG8refXLuhdXbWO3nsZfe/0o=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=Hfq41xx99QV6H2SzL4rtHsY8+5Na4ghifwatVT4Zgvp7TtKioqtHMuI/GlXYlWc15 1Iu4OT/nDhBGvsHsGaNNNEgXofgMRoJZGmbWReulW2g1Tc48bHY59G+8R9Zm59llnt pEMSI3oIjh2EQ7jVjz8zraQVO+obN0rtKP11FEJ48RBehGHt3aF6oVRn1D7MAthtq3 wqAYxoNQs+JFSFF/Y3f3zQ30fvZHnNU5eq2QevKmP39L83DDLpeqUCHv8v6MFi7dey 3nd51m3T7VpFCe+zhM3eFFtoQeYkUGm3nzDNzbxx3rZzj6ThWZXKuCqKZHDwdjlD/h hjJmA8wDBZQHw== Date: Wed, 28 Oct 2026 10:13:52 +0100 From: Mariusz Tkaczyk To: "Masalkhi, Abd Alrhman" Cc: "song@kernel.org" , "yukuai@fygo.io" , "chengzhihao1@huawei.com" , "magiclinan@didiglobal.com" , "xiao@kernel.org" , "abd.masalkhi@gmail.com" , "linux-raid@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [RFC PATCH v4 0/4] md: add a control device for array management Message-ID: <20261028101352.272d7d37@kernel.org> In-Reply-To: <20261015204640.1184848-1-abd.masalkhi@gatech.edu> References: <20261015204640.1184848-1-abd.masalkhi@gatech.edu> Organization: Linux Development X-Mailer: Claws Mail 4.4.0 (GTK 3.24.50; x86_64-suse-linux-gnu) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 15 Oct 2026 20:47:51 +0000 "Masalkhi, Abd Alrhman" wrote: > A warning is emitted when it is used to recommend upgrading mdadm to > use the new control interface. Definitely you should not refer to mdadm from kernel context, user can send ioctls from the own applications which would be misleading. Mariusz