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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id k18-20020a056000005200b002c71dd1109fsm7318197wrx.47.2023.03.16.06.14.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Mar 2023 06:14:13 -0700 (PDT) Message-ID: Date: Thu, 16 Mar 2023 14:14:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v19 04/15] overlayfs: Implement splice-read Content-Language: en-US To: David Howells , Jens Axboe , Al Viro , Christoph Hellwig Cc: Matthew Wilcox , Jan Kara , Jeff Layton , Jason Gunthorpe , Logan Gunthorpe , Hillf Danton , Christian Brauner , Linus Torvalds , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Christoph Hellwig , John Hubbard , Miklos Szeredi , linux-unionfs@vger.kernel.org References: <20230315163549.295454-1-dhowells@redhat.com> <20230315163549.295454-5-dhowells@redhat.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230315163549.295454-5-dhowells@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15.03.23 17:35, David Howells wrote: > Implement splice-read for overlayfs by passing the request down a layer > rather than going through generic_file_splice_read() which is going to be > changed to assume that ->read_folio() is present on buffered files. > > Signed-off-by: David Howells > cc: Christoph Hellwig > cc: Jens Axboe > cc: Al Viro > cc: John Hubbard > cc: David Hildenbrand > cc: Matthew Wilcox > cc: Miklos Szeredi > cc: linux-unionfs@vger.kernel.org > cc: linux-block@vger.kernel.org > cc: linux-fsdevel@vger.kernel.org > cc: linux-mm@kvack.org > --- Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb