Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Wed, 30 Jun 2021 08:16:37 +0100
From:   Christoph Hellwig <hch@infradead.org>
To:     Leon Romanovsky <leon@kernel.org>
Cc:     Christoph Hellwig <hch@infradead.org>,
        Doug Ledford <dledford@redhat.com>,
        Jason Gunthorpe <jgg@nvidia.com>,
        Maor Gottlieb <maorg@nvidia.com>,
        Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
        linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
        Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>,
        Yishai Hadas <yishaih@nvidia.com>,
        Zhu Yanjun <zyjzyj2000@gmail.com>
Subject: Re: [PATCH rdma-next v1 1/2] lib/scatterlist: Fix wrong update of
 orig_nents
Message-ID: <YNwaVTT0qmQdxaZz@infradead.org>
References: <cover.1624955710.git.leonro@nvidia.com>
 <dadb01a81e7498f6415233cf19cfc2a0d9b312f2.1624955710.git.leonro@nvidia.com>
 <YNwIL4OguRO/CH6K@infradead.org>
 <YNwPX7BxPl22En9U@unreal>
 <YNwQLV87aBdclTYe@infradead.org>
 <YNwW83ZpXZSSPDfM@unreal>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <YNwW83ZpXZSSPDfM@unreal>
Precedence: bulk

On Wed, Jun 30, 2021 at 10:02:11AM +0300, Leon Romanovsky wrote:
> Another possible solution is to change __sg_alloc_table()/__sg_alloc_table_from_pages
> to return total_nents and expect from the users to store it internally and pass
> it later to the __sg_free_table().
> 
> Something like that.

Yes, that sounds pretty reasonable.