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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2c10b1a88e5sm22144015eec.13.2026.03.25.00.04.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Mar 2026 00:04:07 -0700 (PDT) Message-ID: <996ba1c4-e91b-4a04-9424-7c262d45ce0a@oss.qualcomm.com> Date: Wed, 25 Mar 2026 15:04:03 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 0/3] dm-inlinecrypt: add target for inline block device encryption To: Christoph Hellwig , Adrian Vovk Cc: linux-block@vger.kernel.org, ebiggers@kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, quic_mdalam@quicinc.com, gmazyland@gmail.com, israelr@nvidia.com, mpatocka@redhat.com References: <20260304121729.1532469-1-linlin.zhang@oss.qualcomm.com> Content-Language: en-US From: Linlin Zhang In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=fOk0HJae c=1 sm=1 tr=0 ts=69c388e9 cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=fqon-WgCYBziNm8ShXUA:9 a=QEXdDO2ut3YA:10 a=scEy_gLbYbu1JhEsrz4S:22 X-Proofpoint-GUID: 6g51E3dhIN0rGeRFPVvV7mbk7BF1vSOS X-Proofpoint-ORIG-GUID: 6g51E3dhIN0rGeRFPVvV7mbk7BF1vSOS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDA0OCBTYWx0ZWRfX6r0QH/VBO+0/ 2V0a2dXfoO7M1PDMKY3cDIesP1gk4+L9rCdnHUJnEZDMdlXP8Pm/s4AzW2AA/cPksik/zzlC7gW QqlE1m17Q/JYU+dHir+5ll/+8+0ATy2RlA3+Qxl0gqrTw/0CALCKcavVGuyKABm46sd1FaA+Hig 8kWcoNeicC/wTdod1nax+VARdrz6C/oBhIZu1c2Xu0jK1UOENyS02v5ne58m4KtC/y3i+ktjBzl 7of+8C2LgMbW5UQSVb2a+5P5xf3lI7oJWJ1vgGenP8bVXZw5+DSrTJ9QC5uwcpF3FTi7AmQq7GU /yuc6iYAL03HRvrf0B6Jr/0CkDm3cVPrtinh16UzbBizfoSr8FoxkyVe9SLLPjNZCTRNdWdhaF1 CFeoap8JWSYkWbxYVSOBkG9LnPWbqds72tOz/SjFdMn7YYSeiqRHLIdT5l1H9Mv09PVlQu/dk3A 0rsDTDdCZYey2JHg43Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-25_02,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 priorityscore=1501 clxscore=1015 adultscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250048 On 3/5/2026 10:38 PM, Christoph Hellwig wrote: > On Wed, Mar 04, 2026 at 01:02:41PM -0500, Adrian Vovk wrote: >> Hello Christoph, >> >> Maybe I am misunderstanding something, but this seems orthogonal to >> fscrypt? Userspace would use this to do LUKS full-disk encryption, but with >> the hardware acceleration provided by the inline encryption hardware. > > Ok, if people really still want to do that that should be ok. > Thanks for your review! Yes, this new dm-target type is designed for the Full-Disk Encryption with inline encryption hardware used scenario. I believe it's necessary as dm-crypt only provide software encryption, the hardware acceleration provided by the inline encryption hardware for Full-Disk Encryption is always what the customer wants, like File-based Encryption with Inline Crypto Engine supported.