linux-kernel - Re: [PATCH 0/5] Improve zram writeback performance

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Message-ID: <38845b84-4a5d-0ceb-f7fb-44b392f91129@samsung.com>
Date:   Tue, 19 Sep 2023 16:20:25 +0200
From:   Pankaj Raghav <p.raghav@...sung.com>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
CC:     <minchan@...nel.org>, <linux-kernel@...r.kernel.org>,
        <axboe@...nel.dk>, <linux-block@...r.kernel.org>,
        <gost.dev@...sung.com>, Pankaj Raghav <kernel@...kajraghav.com>
Subject: Re: [PATCH 0/5] Improve zram writeback performance

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.