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 EC7151547CC; Wed, 1 Oct 2025 06:27:46 +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=1759300069; cv=none; b=kCF7ki4cg1hUDIpq94ckYJWpnzFGIpEbKhCU5xbrNgrJj6iATR7OaB5LJf6q1G/uWYOBqPV34f31DWSRnXFgIj8ZqQr0L96Gkq99x6gi8bBxid6XNwvfxHbREDKvRzMPttuZRNf6tI3DFizwCUrJUYcrSXEQnk/sIE/kSgbBDig= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759300069; c=relaxed/simple; bh=8aZ/div0so9M8dRzkUeXF6GkwZRki2wXu0Nf15+OxTE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dF1/693Vit4/BLZoaNLZGpjZPPfzhr5uyOom09cljQ4QrMulR6XbABeNsd+vMtJGPmD2ixacAub+rvvraOCeiheeMZb0SwPBzEq1etKiVGA6lR4Y92YqQgaXJ5XlMGIRIWgZxlaeNm2XkClmzZm1NNxMUqCEHq5Svnb1u+Q/y38= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DUCWumRq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DUCWumRq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66E5DC4CEF4; Wed, 1 Oct 2025 06:27:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759300066; bh=8aZ/div0so9M8dRzkUeXF6GkwZRki2wXu0Nf15+OxTE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DUCWumRqqcWHMqbAab5KksftXQvC/vh2NEcKaMWZKR8g0FK+L0QwRczbscgf7jRKZ EKXP1FfIAx4/0ZuUmodRnF2wQHg/pbV9bIHm2PHelI8NGhItIhaQ5+ESwVwYuUVhgx lpF03rUGGUR+ILkOTEx6jGneIRH4wvllnjOPbpB9bKcIRw4dEH+VxrxIMBY+kZEluU uHNodtoIi1SioWhKLaH2j0LWFbdmuGu5gufKXJGZ+JWJZYqMgBSES4mq06trcnnV/5 chPDD6g2ceuHtQDTBpmyQPAzdpnxEbsS1zaWQcNDMX3qxI7h9tBmiTI1hyr5wxSRri JMRd3gPI1jtKw== Message-ID: Date: Wed, 1 Oct 2025 15:27:38 +0900 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 07/15] blktrace: add definitions for blk_user_trace_setup2 To: Johannes Thumshirn , Jens Axboe Cc: Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-btrace@vger.kernel.org, John Garry , Hannes Reinecke , Christoph Hellwig , Naohiro Aota , Shinichiro Kawasaki , Chaitanya Kulkarni , "Martin K . Petersen" References: <20250925150231.67342-1-johannes.thumshirn@wdc.com> <20250925150231.67342-8-johannes.thumshirn@wdc.com> From: Damien Le Moal Content-Language: en-US Organization: Western Digital Research In-Reply-To: <20250925150231.67342-8-johannes.thumshirn@wdc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/26/25 00:02, Johannes Thumshirn wrote: > Add definitions for a version 2 of the blk_user_trace_setup ioctl. This > new will enable a different struct layout of the binary data passed to /s/This new/This new ioctl ? > user-space when using a new version of the blktrace utility requesting the > new struct layout. > > Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research