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bh=MOOfKRpPRTUUZtP6G8zk3QqaFEwZW/S6yRgDsEYfs+4=; b=U0Ep+1JRg1+M/75WhPBAUZs+Oq 6iycChpWzpXMnUGEmJqdZUSdpqoh+g0REuJ+Cdw9o8cwoOJpvNq6bVioy9erzYPsIDc/DrnOyFe6D OsC5q1oDTpmwc/MGSHXjpRwE2v/OE2ItG875dknYWDEbrhGMoWBUOQQzwd1OwC7cBJRzLjntGfpaB /WdPZq3JIQeuEu4wyUU5qkF28R411HgORdmfPIWeeewAJX0UQ+BYCp7z2WX47v/WL0aFYpwiK95J9 FfPxD28BlKafN77peVqWJxzKhm2z8ZoDzvBq3CnLvVGBMSBN+6rUbzM7HrSTgmjiJ/HlD3nxJOVPf FryPjXQg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uOz7Z-00000006zNd-2xsx; Tue, 10 Jun 2025 13:34:33 +0000 Date: Tue, 10 Jun 2025 06:34:33 -0700 From: Christoph Hellwig To: wangtao Cc: Christoph Hellwig , Christian =?iso-8859-1?Q?K=F6nig?= , "sumit.semwal@linaro.org" , "kraxel@redhat.com" , "vivek.kasireddy@intel.com" , "viro@zeniv.linux.org.uk" , "brauner@kernel.org" , "hughd@google.com" , "akpm@linux-foundation.org" , "amir73il@gmail.com" , "benjamin.gaignard@collabora.com" , "Brian.Starkey@arm.com" , "jstultz@google.com" , "tjmercier@google.com" , "jack@suse.cz" , "baolin.wang@linux.alibaba.com" , "linux-media@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "linaro-mm-sig@lists.linaro.org" , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "wangbintian(BintianWang)" , yipengxiang , liulu 00013167 , hanfeng 00012985 Subject: Re: [PATCH v4 0/4] Implement dmabuf direct I/O via copy_file_range Message-ID: References: <20250603095245.17478-1-tao.wangtao@honor.com> <09c8fb7c-a337-4813-9f44-3a538c4ee8b1@amd.com> <5d36abace6bf492aadd847f0fabc38be@honor.com> <761986ec0f404856b6f21c3feca67012@honor.com> MIME-Version: 1.0 Content-Type: text/plain; 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See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 77004160015 X-Stat-Signature: y7mkdaiegqbsz75bmts4hg6wyb9e7ees X-Rspam-User: X-HE-Tag: 1749562489-543414 X-HE-Meta: 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 Ocf+BJCy 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Jun 09, 2025 at 09:32:20AM +0000, wangtao wrote: > Are you suggesting adding an ITER_DMABUF type to iov_iter, Yes.