From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 4EFC938DE5; Mon, 1 Apr 2024 17:06:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711991185; cv=none; b=GU1RjIrWFVidnJ3qkTG1j/oUwLnTeXH2oKFGLtXCWcHbDtmNNb2TNrXk+o1rMsLqA8hVoE+D/kyAQoC3Wz5H0ND3VCjz0F3nuen21/imOBznes16++CqxapKFihzYzNkTIbhBZQVnHN8QZxYe9Us+BbeqBOK+7DQtwldwUndh3I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711991185; c=relaxed/simple; bh=h2ZbhaU11eEghZqE4zHAMIx15+WcYQ2BJyK0q6cIcwk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ILTpTPWAgLsCvZXTUzODE8KO+3ByrHBF5EUl1Sg+osS7mCBAR+qDd6sXpIHoRf/2Nb/92o/0AFbJWM6wHvybFWgLCKRrVZQNY7w1EIIryHhKk3jm4LrUlNByXXIB/4GG4Ae91zqz5AAewx8aVVKtZ6E8GIy7MXNHtf2YkWnoQzM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=clcOuVE/; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="clcOuVE/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711991183; x=1743527183; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=h2ZbhaU11eEghZqE4zHAMIx15+WcYQ2BJyK0q6cIcwk=; b=clcOuVE/RBtawWH7sfEkqBDARTulWI7HzCpZQXA4iIYZhO7rrT6FxmTa +VXXOUG2S4Ec0eYq6ub7HC5QxiOYNXmCA1niv33d7UciQuKTNjQK2A6Dh VqHIpe3AvgX61fnrW2FmqXCxAslyK6zQP8B+vE+DHjQZG8aweay9WtwDS Wdw75xWP5/MHU29X9B1ijh2sn40EhcSRIQpxuJ89mOQ//LXoGqp7KPMpJ qipY9z4efH4Cw5ZOXVsXc+0JI+xdGFiuENrhOjcyE+msO3lPuInmzh8Ul kwaxrlxrizoaEFo6QjlNTYInBipumNqF7xJANQ66/ek1CxMgPbR+pP9r5 w==; X-CSE-ConnectionGUID: 5Utz2o90Qsui2vFFT0MkVg== X-CSE-MsgGUID: xWAlSUpgTUGituzhbit2rw== X-IronPort-AV: E=McAfee;i="6600,9927,11031"; a="7317554" X-IronPort-AV: E=Sophos;i="6.07,172,1708416000"; d="scan'208";a="7317554" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2024 10:06:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,172,1708416000"; d="scan'208";a="22256672" Received: from mthansen-mobl.amr.corp.intel.com (HELO [10.212.113.134]) ([10.212.113.134]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2024 10:06:16 -0700 Message-ID: <64a43062-b78b-472f-92be-82ff60eeb70c@intel.com> Date: Mon, 1 Apr 2024 10:06:15 -0700 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 20/26] dax: Document dax dev range tuple Content-Language: en-US To: Ira Weiny , Fan Ni , Jonathan Cameron , Navneet Singh Cc: Dan Williams , Davidlohr Bueso , Alison Schofield , Vishal Verma , linux-btrfs@vger.kernel.org, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org References: <20240324-dcd-type2-upstream-v1-0-b7b00d623625@intel.com> <20240324-dcd-type2-upstream-v1-20-b7b00d623625@intel.com> From: Dave Jiang In-Reply-To: <20240324-dcd-type2-upstream-v1-20-b7b00d623625@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/24/24 4:18 PM, Ira Weiny wrote: > The device DAX structure is being enhanced to track additional DCD > information. > > The current range tuple was not fully documented. Document it prior to > adding information for DC. > > Suggested-by: Jonathan Cameron > Signed-off-by: Ira Weiny Reviewed-by: Dave Jiang > > --- > Changes for v1 > [iweiny: new patch] > --- > drivers/dax/dax-private.h | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h > index c6319c6567fb..ac1ccf158650 100644 > --- a/drivers/dax/dax-private.h > +++ b/drivers/dax/dax-private.h > @@ -70,7 +70,10 @@ struct dax_mapping { > * @dev - device core > * @pgmap - pgmap for memmap setup / lifetime (driver owned) > * @nr_range: size of @ranges > - * @ranges: resource-span + pgoff tuples for the instance > + * @ranges: range tuples of memory used > + * @pgoff: page offset > + * @range: resource-span > + * @mapping: device to assist in interrogating the range layout > */ > struct dev_dax { > struct dax_region *region; >