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Mon, 12 Oct 2026 21:22:28 -0700 (PDT) Received: from google.com ([2a00:79e0:2031:6:476:d384:7c2e:1579]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab39533ee7sm11566916a91.4.2026.10.12.21.22.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2026 21:22:28 -0700 (PDT) Date: Tue, 13 Oct 2026 13:22:22 +0900 From: Sergey Senozhatsky To: Georgi Djakov Cc: Sergey Senozhatsky , Krzysztof Kozlowski , andersson@kernel.org, konradybcio@kernel.org, abelvesa@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, minchan@kernel.org, axboe@kernel.dk, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-trace-kernel@vger.kernel.org, djakov@kernel.org Subject: Re: [PATCH 4/6] zram: Add QPaCE zcomp backend Message-ID: References: <20260930145215.3380977-1-georgi.djakov@oss.qualcomm.com> <20260930145215.3380977-5-georgi.djakov@oss.qualcomm.com> <20261001-dramatic-hasty-pug-68ebfd@quoll> <6713512a-d879-4fdb-9138-12e125c21ed6@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6713512a-d879-4fdb-9138-12e125c21ed6@oss.qualcomm.com> On (26/10/10 02:54), Georgi Djakov wrote: > >> So entire qpace should go here, no? Why did you create this entire layer > >> of indirection, singleton management under drivers/soc? > > > > qpace seems to be standalone/independent arch/soc specific, and can gain > > users outside of zram (fs compression, zswap, etc.). zram's backends > > potentially can disappear all together, if we switch to acomp crypto API. > > Are there any plans for switching back to the acomp crypto API? We moved away > from it some time ago and dropped all the crypto dependency in favor of the > custom comp backends, right? We moved from deprecated scomp API and switched to our own comp API. There is a possibility of switching to acomp API in the future.