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Wed, 27 Apr 2022 12:54:58 +0000 (GMT) Date: Wed, 27 Apr 2022 18:19:51 +0530 From: Nitesh Shetty To: Damien Le Moal Message-ID: <20220427124951.GA9558@test-zns> MIME-Version: 1.0 In-Reply-To: <6a85e8c8-d9d1-f192-f10d-09052703c99a@opensource.wdc.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrDJsWRmVeSWpSXmKPExsWy7bCmpu6i4Mwkg3fbLS1+nz3PbLH33WxW i723tC327D3JYnF51xw2i/nLnrJbdF/fwWax40kjowOHx85Zd9k9Ni+p99jZep/V4/2+q2we nzfJBbBGZdtkpCampBYppOYl56dk5qXbKnkHxzvHm5oZGOoaWlqYKynkJeam2iq5+AToumXm AF2ipFCWmFMKFApILC5W0rezKcovLUlVyMgvLrFVSi1IySkwKdArTswtLs1L18tLLbEyNDAw MgUqTMjOmPj9CnPBOY6Knz1vGBsY+9i7GDk5JARMJF7e7WXsYuTiEBLYzSgxce1zVgjnE6PE 8nX72SCcb4wSjZeuscK0tGw9B1W1l1Fi26zjUP3PGCWWte5nBKliEVCVWLRuPlMXIwcHm4C2 xOn/HCBhEQFTibc9rSwg9cwCZxgl2t/vAjtEWMBMYnVnKxuIzSugI3Hzy19WCFtQ4uTMJywg NqeAm0THgUnMILaogLLEgW3HmUAGSQhM5ZA4sWsFC8R5LhIf7s1hhrCFJV4d3wL1qZTEy/42 KLtcYnvbAqjmFkaJrlOnoJrtJS7u+csEYjMLZEj8fzkV6mdZiamn1kHF+SR6fz9hgojzSuyY B2MrS6xZv4ANwpaUuPa9Ecr2kNj5cSU0vE4Bg3jlHMYJjPKzkHw3C8m+WcAQYxbQlFi/Sx8i LC/RvHU2M0RYWmL5Pw4kFQsY2VYxSqYWFOempxabFhjnpZbDoz85P3cTIzjZannvYHz04IPe IUYmDsZDjBIczEoivF92ZyQJ8aYkVlalFuXHF5XmpBYfYjQFRtxEZinR5Hxgus8riTc0sTQw MTMzM7E0NjNUEuc9lb4hUUggPbEkNTs1tSC1CKaPiYNTqoFJ/sXyv8flM4vyjuwxY1rg5f7V /9PC2qtRz00K7tQGHgyfd79y+q5Vt3ZZqa4/z7Qjwv34g2nb7mf/KvrDs2J35YPFBls+phh5 Kj4wmWk8c92//z4WkbdfvuB8+tAlU3BHDpfP2+OPuVJ+P9tsYnzRb3PUYo8jWy8zXz5fe2Ti FtsGP7Wgfr0snydfjEP/vps92+n9qjUCjnP89QRXz98z2dewxrpyqfUSO++Pcx7VzXEJsLQT +vRNM9tSM+ax6YE9b6eZRam4a00uF7nkk7i7eW765hPLglMWajFIRC/cp11Wuslml6sQX+xN qV/2CcdjHh0S1RCKq1l3x91Wdr3cJfbdPFuPX1bvWu5gOXtRmRJLcUaioRZzUXEiAJsamEE/ BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrBLMWRmVeSWpSXmKPExsWy7bCSnK6KbWaSwZMuIYvfZ88zW+x9N5vV Yu8tbYs9e0+yWFzeNYfNYv6yp+wW3dd3sFnseNLI6MDhsXPWXXaPzUvqPXa23mf1eL/vKpvH 501yAaxRXDYpqTmZZalF+nYJXBnv1l9kLPjAWrGkYRZTA+MZli5GTg4JAROJlq3nWEFsIYHd jBJXf/pBxCUllv09wgxhC0us/PecvYuRC6jmCaNEx5HH7CAJFgFViUXr5jN1MXJwsAloS5z+ zwESFhEwlXjb08oCUs8scIZRov39LrB6YQEzidWdrWwgNq+AjsTNL39ZIYaeYpTofHqRFSIh KHFy5hOw65gF1CX+zLvEDLKAWUBaYvk/DoiwvETz1tlgx3EKuEl0HJgEZosKKEsc2HacaQKj 0Cwkk2YhmTQLYdIsJJMWMLKsYpRMLSjOTc8tNiwwzEst1ytOzC0uzUvXS87P3cQIjhwtzR2M 21d90DvEyMTBeIhRgoNZSYT3y+6MJCHelMTKqtSi/Pii0pzU4kOM0hwsSuK8F7pOxgsJpCeW pGanphakFsFkmTg4pRqY3E4HJove7NU0V7A9sZ11R157x+KgZU7PWx9lvNdqnSV0Katz3/bd qxRYBTvLRENTZxnWXox4ta7whvj/268VGQ23TZG9+Ovy0izWsn8LH2hrJ208VLHiIMukjZdf 9Au12G5aLub9wmBp/ox8xxkX9JROneMWa826cC7U7v2Rf29EjD/Mjf7q8u7e9ZR4hXPJStwa bdcXLfU8YqS+VM9WKSJ8ncP5U5znSri7t5ntLJk/WXVnqaa52nEvD6+zhitE5z9oDbMJk9j+ /KKyG4/iPNGIIp2zMpulRDnvb6lUS5Xjjt681vBMiceTFU7rvM5v+zVdvozz4vuXNw+q7fp2 VODNqvlHDuVrcp976l+rqcRSnJFoqMVcVJwIAPtAlfYLAwAA X-CMS-MailID: 20220427125500epcas5p189ef3a038115f13840f8992a79fb2e3d 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> 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 2.85 on 10.11.54.8 X-Mailman-Approved-At: Fri, 29 Apr 2022 08:23:40 +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 10.11.54.7 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="----SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_" ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_ Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 c= all > > [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. > >=20 > > Overall series supports =E2=80=93 > >=20 > > 1. Driver > > - NVMe Copy command (single NS), including support in nvme-target (for > > block and file backend) >=20 > It would also be nice to have copy offload emulation in null_blk for test= ing. > We can plan this in next phase of copy support, once this series settles do= wn. -- Nitesh Shetty ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_ Content-Type: text/plain; charset="utf-8" ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_ 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 ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_-- 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 B5957C433F5 for ; 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Wed, 27 Apr 2022 12:55:00 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20220427125500epsmtrp18381e20d6e38ffd4eb28b8ea3234fa63~pwg0y5X4H2300323003epsmtrp1O; Wed, 27 Apr 2022 12:55:00 +0000 (GMT) X-AuditID: b6c32a4b-1fdff70000002622-70-626953a2579d Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 0D.34.08853.42D39626; Wed, 27 Apr 2022 21:55:00 +0900 (KST) Received: from test-zns (unknown [107.110.206.5]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220427125459epsmtip19208f23035104a9c8446a86c8c32dcd3~pwgzmZAtj1493614936epsmtip1J; Wed, 27 Apr 2022 12:54:58 +0000 (GMT) Date: Wed, 27 Apr 2022 18:19:51 +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: <20220427124951.GA9558@test-zns> MIME-Version: 1.0 In-Reply-To: <6a85e8c8-d9d1-f192-f10d-09052703c99a@opensource.wdc.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrDJsWRmVeSWpSXmKPExsWy7bCmpu6i4Mwkg3fbLS1+nz3PbLH33WxW i723tC327D3JYnF51xw2i/nLnrJbdF/fwWax40kjowOHx85Zd9k9Ni+p99jZep/V4/2+q2we nzfJBbBGZdtkpCampBYppOYl56dk5qXbKnkHxzvHm5oZGOoaWlqYKynkJeam2iq5+AToumXm AF2ipFCWmFMKFApILC5W0rezKcovLUlVyMgvLrFVSi1IySkwKdArTswtLs1L18tLLbEyNDAw MgUqTMjOmPj9CnPBOY6Knz1vGBsY+9i7GDk5JARMJF7e7WXsYuTiEBLYzSgxce1zVgjnE6PE 8nX72SCcb4wSjZeuscK0tGw9B1W1l1Fi26zjUP3PGCWWte5nBKliEVCVWLRuPlMXIwcHm4C2 xOn/HCBhEQFTibc9rSwg9cwCZxgl2t/vAjtEWMBMYnVnKxuIzSugI3Hzy19WCFtQ4uTMJywg NqeAm0THgUnMILaogLLEgW3HmUAGSQhM5ZA4sWsFC8R5LhIf7s1hhrCFJV4d3wL1qZTEy/42 KLtcYnvbAqjmFkaJrlOnoJrtJS7u+csEYjMLZEj8fzkV6mdZiamn1kHF+SR6fz9hgojzSuyY B2MrS6xZv4ANwpaUuPa9Ecr2kNj5cSU0vE4Bg3jlHMYJjPKzkHw3C8m+WcAQYxbQlFi/Sx8i LC/RvHU2M0RYWmL5Pw4kFQsY2VYxSqYWFOempxabFhjnpZbDoz85P3cTIzjZannvYHz04IPe IUYmDsZDjBIczEoivF92ZyQJ8aYkVlalFuXHF5XmpBYfYjQFRtxEZinR5Hxgus8riTc0sTQw MTMzM7E0NjNUEuc9lb4hUUggPbEkNTs1tSC1CKaPiYNTqoFJ/sXyv8flM4vyjuwxY1rg5f7V /9PC2qtRz00K7tQGHgyfd79y+q5Vt3ZZqa4/z7Qjwv34g2nb7mf/KvrDs2J35YPFBls+phh5 Kj4wmWk8c92//z4WkbdfvuB8+tAlU3BHDpfP2+OPuVJ+P9tsYnzRb3PUYo8jWy8zXz5fe2Ti FtsGP7Wgfr0snydfjEP/vps92+n9qjUCjnP89QRXz98z2dewxrpyqfUSO++Pcx7VzXEJsLQT +vRNM9tSM+ax6YE9b6eZRam4a00uF7nkk7i7eW765hPLglMWajFIRC/cp11Wuslml6sQX+xN qV/2CcdjHh0S1RCKq1l3x91Wdr3cJfbdPFuPX1bvWu5gOXtRmRJLcUaioRZzUXEiAJsamEE/ BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrBLMWRmVeSWpSXmKPExsWy7bCSnK6KbWaSwZMuIYvfZ88zW+x9N5vV Yu8tbYs9e0+yWFzeNYfNYv6yp+wW3dd3sFnseNLI6MDhsXPWXXaPzUvqPXa23mf1eL/vKpvH 501yAaxRXDYpqTmZZalF+nYJXBnv1l9kLPjAWrGkYRZTA+MZli5GTg4JAROJlq3nWEFsIYHd jBJXf/pBxCUllv09wgxhC0us/PecvYuRC6jmCaNEx5HH7CAJFgFViUXr5jN1MXJwsAloS5z+ zwESFhEwlXjb08oCUs8scIZRov39LrB6YQEzidWdrWwgNq+AjsTNL39ZIYaeYpTofHqRFSIh KHFy5hOw65gF1CX+zLvEDLKAWUBaYvk/DoiwvETz1tlgx3EKuEl0HJgEZosKKEsc2HacaQKj 0Cwkk2YhmTQLYdIsJJMWMLKsYpRMLSjOTc8tNiwwzEst1ytOzC0uzUvXS87P3cQIjhwtzR2M 21d90DvEyMTBeIhRgoNZSYT3y+6MJCHelMTKqtSi/Pii0pzU4kOM0hwsSuK8F7pOxgsJpCeW pGanphakFsFkmTg4pRqY3E4HJove7NU0V7A9sZ11R157x+KgZU7PWx9lvNdqnSV0Katz3/bd qxRYBTvLRENTZxnWXox4ta7whvj/268VGQ23TZG9+Ovy0izWsn8LH2hrJ208VLHiIMukjZdf 9Au12G5aLub9wmBp/ox8xxkX9JROneMWa826cC7U7v2Rf29EjD/Mjf7q8u7e9ZR4hXPJStwa bdcXLfU8YqS+VM9WKSJ8ncP5U5znSri7t5ntLJk/WXVnqaa52nEvD6+zhitE5z9oDbMJk9j+ /KKyG4/iPNGIIp2zMpulRDnvb6lUS5Xjjt681vBMiceTFU7rvM5v+zVdvozz4vuXNw+q7fp2 VODNqvlHDuVrcp976l+rqcRSnJFoqMVcVJwIAPtAlfYLAwAA X-CMS-MailID: 20220427125500epcas5p189ef3a038115f13840f8992a79fb2e3d X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_" 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> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Content-Disposition: inline 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. -- Nitesh Shetty ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_ Content-Type: text/plain; charset="utf-8" ------SFNbypxiwiYv2mFj5qNI3mkL0EyMW--LFKYa8svGKq9OOQ6W=_1770c_--