Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8;
Message-ID: <38845b84-4a5d-0ceb-f7fb-44b392f91129@samsung.com>
Date:   Tue, 19 Sep 2023 16:20:25 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
        Thunderbird/102.15.1
Subject: Re: [PATCH 0/5] Improve zram writeback performance
Content-Language: en-US
To:     Sergey Senozhatsky <senozhatsky@chromium.org>
CC:     <minchan@kernel.org>, <linux-kernel@vger.kernel.org>,
        <axboe@kernel.dk>, <linux-block@vger.kernel.org>,
        <gost.dev@samsung.com>, Pankaj Raghav <kernel@pankajraghav.com>
From:   Pankaj Raghav <p.raghav@samsung.com>
In-Reply-To: <20230919003338.GA3748@google.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
CMS-TYPE: 201P
References: <CGME20230911133442eucas1p2f773a475e0a6dc1a448c63884d58c8d3@eucas1p2.samsung.com>
        <20230911133430.1824564-1-kernel@pankajraghav.com>
        <ef88e8e4-c94d-9ad3-a130-8cd6b3f722c9@samsung.com>
        <20230919003338.GA3748@google.com>
Precedence: bulk

On 2023-09-19 02:33, Sergey Senozhatsky wrote:
> On (23/09/18 15:53), Pankaj Raghav wrote:
>> Gentle ping Minchan and Sergey.
> 
> Hello,
> 
> zram writeback is currently under (heavy) rework, the series hasn't
> been published yet, but it's in the making for some time already.
> The biggest change is that zram will support compressed writeback,
> that is writeback of compressed objects, as opposed to current design
> when zram de-compresses pages before writeback.
> 
Got it. Thanks for the explanation. The compressed writeback also makes
sense as it will save space in the backing device.

> Minchan will have more details, but I guess we'll need to wait for
> that series to land.

This series might not be applicable with the new direction, but anyway I will
keep an eye on the new series from Minchan.