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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id j22-20020a05600c485600b003cffd3c3d6csm923358wmo.12.2023.01.26.01.29.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 26 Jan 2023 01:29:12 -0800 (PST) Message-ID: Date: Thu, 26 Jan 2023 10:29:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH v10 6/8] block: Add BIO_PAGE_PINNED and associated infrastructure To: David Howells , Al Viro , Christoph Hellwig Cc: Matthew Wilcox , Jens Axboe , Jan Kara , Jeff Layton , Jason Gunthorpe , Logan Gunthorpe , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Christoph Hellwig , John Hubbard References: <20230125210657.2335748-1-dhowells@redhat.com> <20230125210657.2335748-7-dhowells@redhat.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230125210657.2335748-7-dhowells@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: e7narj6iennbybezkxt66q9wgsouynce X-Rspam-User: X-Rspamd-Queue-Id: A3AC0140016 X-Rspamd-Server: rspam06 X-HE-Tag: 1674725355-687438 X-HE-Meta: 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 aWjZ4M+O 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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: On 25.01.23 22:06, David Howells wrote: > Add BIO_PAGE_PINNED to indicate that the pages in a bio are pinned > (FOLL_PIN) and that the pin will need removing. > > Signed-off-by: David Howells > Reviewed-by: Christoph Hellwig > Reviewed-by: John Hubbard > cc: Al Viro > cc: Jens Axboe > cc: Jan Kara > cc: Matthew Wilcox > cc: Logan Gunthorpe > cc: linux-block@vger.kernel.org > --- Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb