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Wed, 22 May 2024 14:01:50 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20240521145521epcas5p3085c3982fb14dab0709d493d3e1b941b~RiMcb82eq2206322063epcas5p3P; Tue, 21 May 2024 14:55:21 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20240521145521epsmtrp1967b56785c8cc04ff0efd8e503c27f9c~RiMcZUDzh2227322273epsmtrp1W; Tue, 21 May 2024 14:55:21 +0000 (GMT) X-AuditID: b6c32a44-6c3ff70000002198-e8-664d7c3e8a2b Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 3E.1C.08924.9D5BC466; Tue, 21 May 2024 23:55:21 +0900 (KST) Received: from green245 (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240521145517epsmtip26cc224d597e605d820abffa401131a56~RiMY8JjcX2617526175epsmtip2_; Tue, 21 May 2024 14:55:17 +0000 (GMT) Date: Tue, 21 May 2024 20:18:19 +0530 From: Nitesh Shetty To: Bart Van Assche Cc: Jens Axboe , Jonathan Corbet , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Keith Busch , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , Alexander Viro , Christian Brauner , Jan Kara , martin.petersen@oracle.com, david@fromorbit.com, hare@suse.de, damien.lemoal@opensource.wdc.com, anuj20.g@samsung.com, joshi.k@samsung.com, nitheshshetty@gmail.com, gost.dev@samsung.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, dm-devel@lists.linux.dev, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v20 10/12] dm: Enable copy offload for dm-linear target Message-ID: <20240521144819.nm25c4txfhwggfae@green245> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <017a9853-6e42-4250-9cfa-1d6ad5786556@acm.org> User-Agent: NeoMutt/20171215 X-Brightmail-Tracker: H4sIAAAAAAAAA02TeVATdxTH+9vdbDZMocuh/gQ7pam2AoKJTfCHcmildR3KDDN2pjO1iClZ gSGETBLqRStCsQgTQNFSYpVTLq1UQGsQxeEQxFJsI3c5tIk90IajUJGCjdnQ8b/P+773fu+a H4W71PHdqTilllUrZQoh6UBcafFa6xucHL5X1Dfqg2o6b+EoNXcBR+eHc0g03jIF0FcTczgy 3fwSoPmubhzV3xoBqKjkDIEGbhow1FhyAkNV59swdDo/DUNtzx6T6ERzL0DmHj2Grg/6oOKj ZQRqvH6bQMaGb0hUWG7mo4r2RQwdz+jB0FXTEYAujlsI1DHogboX2nlbPBjjvTCmswQyBv0w n+keuUQwxq4kprb6GMnUlR1mfq8rAMy1gRSSKc3O4zG6tL9IxpA+ymMmzYMEY7nRQzLZ9dWA +aGolR/h+lF8YCwrk7NqT1YZnSiPU8YECcN2Rm2LkvqLxL7iALRR6KmUJbBBwtD3I3zfi1NY lyP0/FSmSLJKETKNRrg+OFCdmKRlPWMTNdogIauSK1QSlZ9GlqBJUsb4KVntJrFItEFqDdwT H/tTxkm+qpW3/1pFDpECHhKZQEBBWgIf6Br4mcCBcqGvAdh0egxwxhSAj4oLSc6YBbBtbBYs paQ0XiY4x3UAz347iHHGQwCNDeW2KIJeA8+Xf2dliiJpH3jnGfVcdqPXwtmxClsyTheT8Jf+ J/hzhysdBmuzDbamHGl/2PHjBMaxM7xdYLLpAnozzDfk2/Rl9Cr49bkZnOuoVwANjRTHofDK v/Ukx67wz/Z6Psfu8I+co3beB6tOVtpGg/QXAOr79PbRQmB6Z47tUZyOhd3jc/aEV+GpzosY pztB3bwJ43RHePXsEr8BL9QU2QuvhL3/HLEzA1NT79o3ZAEwrdKA5YLX9C8Mp3+hHseb4LGJ VJ7eujyc9oAVixSHXrCmYX0R4FWDlaxKkxDDRktVYiW77/+TRycm1ALb7/EOvQr6Cxf9mgFG gWYAKVzo5lhbv2Ovi6NcduAgq06MUicpWE0zkFqPdRx3XxadaP1+Sm2UWBIgkvj7+0sC3vYX C1c4jqefkbvQMTItG8+yKla9lIdRAvcUjNxpFBTg9JNMGPgYNza5FokUFpMgq9hl6MN1TYJR b/OVOXPZSPieJwc6V8W3qp29Dh9yUyTfSqgIz5rJnLmctGv51OPW8r9PObW92TSWXhZ5aM32 36TavsiIlruX3EMidYTwaQjhta11wkHk/FYbNdn+uXnxg64gv6frGF3VjZaMHZW7f97tNBtw Q7e1yWICv95xvMBbeOeEa+n9Z7tSzBFZ8xcH80HfZNr38YPTnuDdRxvah85tqVw9nyPx+exe yPZXVMm5H2dMNxwsrs57XXbUqH7JdFm9TV4aPDDsfd+3b/XG5bXTK0pmpUPt3g6fqHa+bPHq zwtUdFCbJaKmB0PB+9cJCU2sTOyNqzWy/wA12b2dxgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA02SfUzMcRzHfX+/X7/7lZ39Kulbx8wRPRBt4rtpZlrz5fIwMyzzcOl3XXQ5 d/I4ykXprCTmrhNOD5dqSlceTnW48lC5TksoU0xNip4sj6vobsZ/n31e74d9tg9Dun2hvJmY uH2cIk4cK6RdqFs1wunzWm+GSxY0qmaj0vpHJFJljJCo+M0ZGvXWDAF0YeAHiTrvpwD0y2oj UcWjdoD0OZco1HrfRKCqnEwCFRY/JNBFTRKBHo59plGm5QVAXS06AlW3BaCryXkUqqquo1Dz 3WwaXTF08VDB41ECnT3VQqA7nccBKuntp9CTNgGyjTx2WibAzc9FuD4HYpPuDQ/b2sso3GyN x8aiVBqX5yXg7vIsgCtbE2mcm37OCacl9dHYdLLDCQ92tVG439xC4/SKIoCf6mt569wjXEKi uNiY/Zxi/tIdLtITP7D8K3Ewu1JLJwIjoQbODGQXwsSqm5QauDBubCWAVwxllAN4QcNILemY 3WHh6AeeQ9QJ4LfqfjugWB9YbLgB1IBhaDYANowx4+vJrC/8+rbAHkqy+TRsuveLNw7cWRE0 ppvsBXx2EXzSOEA4QvsB1Dy1AAdwhXVZnXYR+Ud0ufwdOV5AsgJYMGovcGaXQI1JY7/Ag50K tfnDZAZw1f3n1v3n1v1z6wFZBLw4uVIWLVMGyYPiuAOBSrFMGR8XHbhzj8wI7H/h73cH3C4a CLQAggEWABlSOJlvrFgpceNHiQ8d5hR7tiviYzmlBQgYSujJ9+xOi3Jjo8X7uN0cJ+cUfynB OHsnEodUG9abpJsCzouGbZlp3LEQ/cwt+jBrfEKP/9oO3KpNkAfPfdY3Z3vwvfklW1Wfzpf5 +e2uyPoeOiFVsNGzg2v3SpIsqbMOiQJyaY8Ugr9gzWBEN1np+jJl7HVt2EqbMCVP7nlaN2to 4WBoRmNI4a4Xhoj05b7+cxte1U80XF99/f0qjynFx3dqws09+Wd7fDMj98pym35+xNcmLJar GyLDlaWTNn96mbxi7zO8wSt5ZHZvaGpa0yT10W20Odj1mI9MUpptvWw+fUB6ZGlI+4c1tTM9 gmYM1ZOryl6FCcrDp62PzJaIzLuk2pLkqBrV4S0+fUe0w7ZF3g+q6rS3N44OxggppVQc5E8q lOLfWU2MeoYDAAA= X-CMS-MailID: 20240521145521epcas5p3085c3982fb14dab0709d493d3e1b941b X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----atUsqPFm-1W_PDIhMRaVeMNpJ8wr1jcbO3GdUizRktR65zpR=_161fe_" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240520103016epcas5p31b9a0f3637959626d49763609ebda6ef References: <20240520102033.9361-1-nj.shetty@samsung.com> <20240520102033.9361-11-nj.shetty@samsung.com> <017a9853-6e42-4250-9cfa-1d6ad5786556@acm.org> ------atUsqPFm-1W_PDIhMRaVeMNpJ8wr1jcbO3GdUizRktR65zpR=_161fe_ Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Disposition: inline On 20/05/24 04:25PM, Bart Van Assche wrote: >On 5/20/24 03:20, Nitesh Shetty wrote: >>Setting copy_offload_supported flag to enable offload. > >I think that the description of this patch should explain why it is safe >to set the 'copy_offload_supported' flag for the dm-linear driver. > Acked, will add more description in next version. Thank You, Nitesh Shetty ------atUsqPFm-1W_PDIhMRaVeMNpJ8wr1jcbO3GdUizRktR65zpR=_161fe_ Content-Type: text/plain; charset="utf-8" ------atUsqPFm-1W_PDIhMRaVeMNpJ8wr1jcbO3GdUizRktR65zpR=_161fe_--