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Thu, 28 Apr 2022 07:54:34 +0000 (GMT) Date: Thu, 28 Apr 2022 13:19:26 +0530 From: Nitesh Shetty To: Damien Le Moal Message-ID: <20220428074926.GG9558@test-zns> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrBJsWRmVeSWpSXmKPExsWy7bCmpu5736wkgz+5Fr/Pnme22PtuNqvF 3lvaFnv2nmSxuLxrDpvF/GVP2S26r+9gs9jxpJHRgcNj56y77B6bl9R77Gy9z+rxft9VNo/P m+QCWKOybTJSE1NSixRS85LzUzLz0m2VvIPjneNNzQwMdQ0tLcyVFPISc1NtlVx8AnTdMnOA DlFSKEvMKQUKBSQWFyvp29kU5ZeWpCpk5BeX2CqlFqTkFJgU6BUn5haX5qXr5aWWWBkaGBiZ AhUmZGfcv7eFtaCfu+Lm7busDYztnF2MnBwSAiYSXe+2sYLYQgK7GSXmLI3uYuQCsj8xSsx/ 8IIVwvnMKHF8/Uk2mI75d6ayQyR2MUqcOz0XquoZo0TT/HnsIFUsAqoSD6Z2MXYxcnCwCWhL nP7PARIWETCVeNvTygJSzyxwhlGi/f0usHphATOJ1Z2tYBt4BXQkFs/fzQ5hC0qcnPmEBcTm FHCTmL3xG5gtKqAscWDbcSaIiyZySMyYmwqyS0LARaL5dTREWFji1fEt7BC2lMTL/jYou1xi e9sCJpAbJARaGCW6Tp1igUjYS1zc8xdsJrNAhsTsb2uhPpaVmHpqHVScT6L39xOovbwSO+bB 2MoSa9YvgKqXlLj2vRHK9pDY+XElNIBWMkm8PH2IfQKj/Cwkv81Csm8W0A/MApoS63fpQ4Tl JZq3zmaGCEtLLP/HgaRiASPbKkbJ1ILi3PTUYtMCo7zUcnjcJ+fnbmIEJ1ktrx2MDx980DvE yMTBeIhRgoNZSYT3y+6MJCHelMTKqtSi/Pii0pzU4kOMpsBom8gsJZqcD0zzeSXxhiaWBiZm ZmYmlsZmhkrivKfTNyQKCaQnlqRmp6YWpBbB9DFxcEo1MHmYxBi3KS/r+5xXoHh/5e5/mpOK OLaz1QUJJm5LlWV+dGCy2qfIDR1bPTv4Cv8o7cuz5K+7k+o17+LTf7WP9Hb0x/PP1u849K1e 9ECS25U/X77MfXHhdDCf6CKtxUE1cj17vjAr/U6ZkKPatTBKKu23yc1t05J0TR/EblD+sWFx 0DPf6Q7i++QYDghltRZyCmdZbpQ0mbLf//CW7BVyO3Mj78a3hghMUJNqNAp1337257kTdWFK F5WF48I+LnzLVaHz1Wvq/N+HWwX5lVy6/OQDdXwTmyQOHOF9+P5ORO+1sxMfmJVUr1snvTy8 Kfb+1bVvxTqdU/dcnR/13vrQ+u4M04X3O3s98v0vTXLvVmIpzkg01GIuKk4EAG3bN+s7BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrOLMWRmVeSWpSXmKPExsWy7bCSnK61R1aSQcdnPYvfZ88zW+x9N5vV Yu8tbYs9e0+yWFzeNYfNYv6yp+wW3dd3sFnseNLI6MDhsXPWXXaPzUvqPXa23mf1eL/vKpvH 501yAaxRXDYpqTmZZalF+nYJXBkrtjkWbOSo2PbVroHxKFsXIyeHhICJxPw7U9m7GLk4hAR2 MEp8aTrHApGQlFj29wgzhC0ssfLfc6iiJ4wSs+6vBetmEVCVeDC1i7GLkYODTUBb4vR/DpCw iICpxNueVhaQemaBM4wS7e93sYMkhAXMJFZ3toL18groSCyevxtq6Eomiff7V7JDJAQlTs58 AnYFs4C6xJ95l5hBFjALSEss/8cBEZaXaN46G+w4TgE3idkbv4GViwooSxzYdpxpAqPQLCST ZiGZNAth0iwkkxYwsqxilEwtKM5Nzy02LDDKSy3XK07MLS7NS9dLzs/dxAiOGy2tHYx7Vn3Q O8TIxMF4iFGCg1lJhPfL7owkId6UxMqq1KL8+KLSnNTiQ4zSHCxK4rwXuk7GCwmkJ5akZqem FqQWwWSZODilGphmNkSeu+/Zy/AzdJGv3sPXJ3sNLl4t7nK+dN/kX+8ctbV/eb6LrRTa9s+k YDWbSN7z4NI5On1n5fnNvWRuVogfPnn2Q/QKI/2ZvLOWpR5raFxyxPrm3G/zt/3jSAwIVNEV vlGj9r15qkzKnZTAabfNrOunnG56dvDkm55ZLamR00U/P9HWbLHer/0vbFnmhkXlsVeflx5I PvfhVElgVdO7F6tL4/72aE+82pMt+Icv6rLBBfXuw+1eMw7u+cD1b3uQ34IF52+4Sfkp/Ulg 1VRZN3Ghe9+N0/Z2JkkWB4s/O9acPB8mtemFG6OJ8TmFi3pr5/kn6pxVuj8j33YeF+MJ4zdn HZjXyDM/fquzxWWKEktxRqKhFnNRcSIAWXgw9goDAAA= X-CMS-MailID: 20220428075435epcas5p285a70634102f71440a283361657f4d9b X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220426101804epcas5p4a0a325d3ce89e868e4924bbdeeba6d15 References: <20220426101241.30100-1-nj.shetty@samsung.com> <6a85e8c8-d9d1-f192-f10d-09052703c99a@opensource.wdc.com> <20220427124951.GA9558@test-zns> X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Mailman-Approved-At: Fri, 29 Apr 2022 08:23:41 +0000 Subject: Re: [dm-devel] [PATCH v4 00/10] Add Copy offload support X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-scsi@vger.kernel.org, nitheshshetty@gmail.com, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/mixed; boundary="----MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_" ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_ Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 28, 2022 at 07:05:32AM +0900, Damien Le Moal wrote: > On 4/27/22 21:49, Nitesh Shetty wrote: > > O Wed, Apr 27, 2022 at 11:19:48AM +0900, Damien Le Moal wrote: > >> On 4/26/22 19:12, Nitesh Shetty wrote: > >>> The patch series covers the points discussed in November 2021 virtual= call > >>> [LSF/MM/BFP TOPIC] Storage: Copy Offload[0]. > >>> We have covered the Initial agreed requirements in this patchset. > >>> Patchset borrows Mikulas's token based approach for 2 bdev > >>> implementation. > >>> > >>> Overall series supports =E2=80=93 > >>> > >>> 1. Driver > >>> - NVMe Copy command (single NS), including support in nvme-target (fo= r > >>> block and file backend) > >> > >> It would also be nice to have copy offload emulation in null_blk for t= esting. > >> > >=20 > > We can plan this in next phase of copy support, once this series settle= s down. >=20 > So how can people test your series ? Not a lot of drives out there with > copy support. > Yeah not many drives at present, Qemu can be used to test NVMe copy. -- Nitesh Shetty ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_ Content-Type: text/plain; charset="utf-8" ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_ Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A1A4C433EF for ; Thu, 28 Apr 2022 08:19:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344040AbiD1IWg (ORCPT ); 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Thu, 28 Apr 2022 07:54:35 +0000 (GMT) X-AuditID: b6c32a4a-b3bff70000002663-dd-626a4deee6d4 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id A6.BF.08924.B384A626; Thu, 28 Apr 2022 16:54:35 +0900 (KST) Received: from test-zns (unknown [107.110.206.5]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220428075434epsmtip13f509946fb1170bf6e1ff8e4df1f4948~qADzDll5X1873018730epsmtip1z; Thu, 28 Apr 2022 07:54:34 +0000 (GMT) Date: Thu, 28 Apr 2022 13:19:26 +0530 From: Nitesh Shetty To: Damien Le Moal Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, dm-devel@redhat.com, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, nitheshshetty@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 00/10] Add Copy offload support Message-ID: <20220428074926.GG9558@test-zns> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrBJsWRmVeSWpSXmKPExsWy7bCmpu5736wkgz+5Fr/Pnme22PtuNqvF 3lvaFnv2nmSxuLxrDpvF/GVP2S26r+9gs9jxpJHRgcNj56y77B6bl9R77Gy9z+rxft9VNo/P m+QCWKOybTJSE1NSixRS85LzUzLz0m2VvIPjneNNzQwMdQ0tLcyVFPISc1NtlVx8AnTdMnOA DlFSKEvMKQUKBSQWFyvp29kU5ZeWpCpk5BeX2CqlFqTkFJgU6BUn5haX5qXr5aWWWBkaGBiZ AhUmZGfcv7eFtaCfu+Lm7busDYztnF2MnBwSAiYSXe+2sYLYQgK7GSXmLI3uYuQCsj8xSsx/ 8IIVwvnMKHF8/Uk2mI75d6ayQyR2MUqcOz0XquoZo0TT/HnsIFUsAqoSD6Z2MXYxcnCwCWhL nP7PARIWETCVeNvTygJSzyxwhlGi/f0usHphATOJ1Z2tYBt4BXQkFs/fzQ5hC0qcnPmEBcTm FHCTmL3xG5gtKqAscWDbcSaIiyZySMyYmwqyS0LARaL5dTREWFji1fEt7BC2lMTL/jYou1xi e9sCJpAbJARaGCW6Tp1igUjYS1zc8xdsJrNAhsTsb2uhPpaVmHpqHVScT6L39xOovbwSO+bB 2MoSa9YvgKqXlLj2vRHK9pDY+XElNIBWMkm8PH2IfQKj/Cwkv81Csm8W0A/MApoS63fpQ4Tl JZq3zmaGCEtLLP/HgaRiASPbKkbJ1ILi3PTUYtMCo7zUcnjcJ+fnbmIEJ1ktrx2MDx980DvE yMTBeIhRgoNZSYT3y+6MJCHelMTKqtSi/Pii0pzU4kOMpsBom8gsJZqcD0zzeSXxhiaWBiZm ZmYmlsZmhkrivKfTNyQKCaQnlqRmp6YWpBbB9DFxcEo1MHmYxBi3KS/r+5xXoHh/5e5/mpOK OLaz1QUJJm5LlWV+dGCy2qfIDR1bPTv4Cv8o7cuz5K+7k+o17+LTf7WP9Hb0x/PP1u849K1e 9ECS25U/X77MfXHhdDCf6CKtxUE1cj17vjAr/U6ZkKPatTBKKu23yc1t05J0TR/EblD+sWFx 0DPf6Q7i++QYDghltRZyCmdZbpQ0mbLf//CW7BVyO3Mj78a3hghMUJNqNAp1337257kTdWFK F5WF48I+LnzLVaHz1Wvq/N+HWwX5lVy6/OQDdXwTmyQOHOF9+P5ORO+1sxMfmJVUr1snvTy8 Kfb+1bVvxTqdU/dcnR/13vrQ+u4M04X3O3s98v0vTXLvVmIpzkg01GIuKk4EAG3bN+s7BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrOLMWRmVeSWpSXmKPExsWy7bCSnK61R1aSQcdnPYvfZ88zW+x9N5vV Yu8tbYs9e0+yWFzeNYfNYv6yp+wW3dd3sFnseNLI6MDhsXPWXXaPzUvqPXa23mf1eL/vKpvH 501yAaxRXDYpqTmZZalF+nYJXBkrtjkWbOSo2PbVroHxKFsXIyeHhICJxPw7U9m7GLk4hAR2 MEp8aTrHApGQlFj29wgzhC0ssfLfc6iiJ4wSs+6vBetmEVCVeDC1i7GLkYODTUBb4vR/DpCw iICpxNueVhaQemaBM4wS7e93sYMkhAXMJFZ3toL18groSCyevxtq6Eomiff7V7JDJAQlTs58 AnYFs4C6xJ95l5hBFjALSEss/8cBEZaXaN46G+w4TgE3idkbv4GViwooSxzYdpxpAqPQLCST ZiGZNAth0iwkkxYwsqxilEwtKM5Nzy02LDDKSy3XK07MLS7NS9dLzs/dxAiOGy2tHYx7Vn3Q O8TIxMF4iFGCg1lJhPfL7owkId6UxMqq1KL8+KLSnNTiQ4zSHCxK4rwXuk7GCwmkJ5akZqem FqQWwWSZODilGphmNkSeu+/Zy/AzdJGv3sPXJ3sNLl4t7nK+dN/kX+8ctbV/eb6LrRTa9s+k YDWbSN7z4NI5On1n5fnNvWRuVogfPnn2Q/QKI/2ZvLOWpR5raFxyxPrm3G/zt/3jSAwIVNEV vlGj9r15qkzKnZTAabfNrOunnG56dvDkm55ZLamR00U/P9HWbLHer/0vbFnmhkXlsVeflx5I PvfhVElgVdO7F6tL4/72aE+82pMt+Icv6rLBBfXuw+1eMw7u+cD1b3uQ34IF52+4Sfkp/Ulg 1VRZN3Ghe9+N0/Z2JkkWB4s/O9acPB8mtemFG6OJ8TmFi3pr5/kn6pxVuj8j33YeF+MJ4zdn HZjXyDM/fquzxWWKEktxRqKhFnNRcSIAWXgw9goDAAA= X-CMS-MailID: 20220428075435epcas5p285a70634102f71440a283361657f4d9b X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220426101804epcas5p4a0a325d3ce89e868e4924bbdeeba6d15 References: <20220426101241.30100-1-nj.shetty@samsung.com> <6a85e8c8-d9d1-f192-f10d-09052703c99a@opensource.wdc.com> <20220427124951.GA9558@test-zns> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Content-Disposition: inline On Thu, Apr 28, 2022 at 07:05:32AM +0900, Damien Le Moal wrote: > On 4/27/22 21:49, Nitesh Shetty wrote: > > O Wed, Apr 27, 2022 at 11:19:48AM +0900, Damien Le Moal wrote: > >> On 4/26/22 19:12, Nitesh Shetty wrote: > >>> The patch series covers the points discussed in November 2021 virtual call > >>> [LSF/MM/BFP TOPIC] Storage: Copy Offload[0]. > >>> We have covered the Initial agreed requirements in this patchset. > >>> Patchset borrows Mikulas's token based approach for 2 bdev > >>> implementation. > >>> > >>> Overall series supports – > >>> > >>> 1. Driver > >>> - NVMe Copy command (single NS), including support in nvme-target (for > >>> block and file backend) > >> > >> It would also be nice to have copy offload emulation in null_blk for testing. > >> > > > > We can plan this in next phase of copy support, once this series settles down. > > So how can people test your series ? Not a lot of drives out there with > copy support. > Yeah not many drives at present, Qemu can be used to test NVMe copy. -- Nitesh Shetty ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_ Content-Type: text/plain; charset="utf-8" ------MMcOyA4CJjQRgHhn55zXOrpiM0Dxers-aGNKdRjWa9MqQ0PV=_1cb6b_--