linux-kernel - Re: [PATCH rdma-next v1 1/2] lib/scatterlist: Fix wrong update of orig

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Message-ID: <YNwIL4OguRO/CH6K@infradead.org>
Date:   Wed, 30 Jun 2021 06:59:11 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Maor Gottlieb <maorg@...dia.com>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        Mike Marciniszyn <mike.marciniszyn@...nelisnetworks.com>,
        Yishai Hadas <yishaih@...dia.com>,
        Zhu Yanjun <zyjzyj2000@...il.com>
Subject: Re: [PATCH rdma-next v1 1/2] lib/scatterlist: Fix wrong update of
 orig_nents

On Tue, Jun 29, 2021 at 11:40:01AM +0300, Leon Romanovsky wrote:
> 2. Add a new field total_nents to reflect the total number of entries
>    in the table. This is required for the release flow (sg_free_table).
>    This filed should be used internally only by scatterlist.

No, please don't bloat the common structure.

> +	/* The fields below should be used internally only by
> +	 * scatterlist implementation.
> +	 */

And this is not the way kernel comments work.