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[124.209.188.1]) by smtp.gmail.com with ESMTPSA id h12-20020a170902f54c00b001b8052d58a0sm8814374plf.305.2023.09.18.17.33.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Sep 2023 17:33:42 -0700 (PDT) Date: Tue, 19 Sep 2023 09:33:38 +0900 From: Sergey Senozhatsky To: Pankaj Raghav Cc: minchan@kernel.org, senozhatsky@chromium.org, linux-kernel@vger.kernel.org, axboe@kernel.dk, linux-block@vger.kernel.org, gost.dev@samsung.com, Pankaj Raghav Subject: Re: [PATCH 0/5] Improve zram writeback performance Message-ID: <20230919003338.GA3748@google.com> References: <20230911133430.1824564-1-kernel@pankajraghav.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Mon, 18 Sep 2023 17:33:47 -0700 (PDT) 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. Minchan will have more details, but I guess we'll need to wait for that series to land.