linux-kernel - Re: [PATCH v4 05/28] dax: Document dax dev range tuple

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241009134201.000011b4@Huawei.com>
Date: Wed, 9 Oct 2024 13:42:01 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Ira Weiny <ira.weiny@...el.com>
CC: Dave Jiang <dave.jiang@...el.com>, Fan Ni <fan.ni@...sung.com>, "Navneet
 Singh" <navneet.singh@...el.com>, Jonathan Corbet <corbet@....net>, "Andrew
 Morton" <akpm@...ux-foundation.org>, Dan Williams <dan.j.williams@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>, "Alison Schofield"
	<alison.schofield@...el.com>, Vishal Verma <vishal.l.verma@...el.com>,
	<linux-btrfs@...r.kernel.org>, <linux-cxl@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <nvdimm@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 05/28] dax: Document dax dev range tuple

On Mon, 07 Oct 2024 18:16:11 -0500
Ira Weiny <ira.weiny@...el.com> 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 <Jonathan.Cameron@...wei.com>
> Signed-off-by: Ira Weiny <ira.weiny@...el.com>
> 
Isn't this a nested struct?
https://docs.kernel.org/doc-guide/kernel-doc.html#nested-structs-unions

I'm not quite sure how we document when it's a nested pointer to a
a structure.  Is it the same as for a 'normal' nested struct?
  
> ---
> Changes:
> [iweiny: move to start of series]
> ---
>  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 446617b73aea..ccde98c3d4e2 100644
> --- a/drivers/dax/dax-private.h
> +++ b/drivers/dax/dax-private.h
> @@ -58,7 +58,10 @@ 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
      @ranges.pgoff?
etc

> + * @range: resource-span
> + * @mapping: device to assist in interrogating the range layout
>   */
>  struct dev_dax {
>  	struct dax_region *region;
>