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Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato , Alexander Viro , Christian Brauner , Jan Kara , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: Re: [PATCH v2 2/4] mm: Add file_operations.get_mapping_order() Message-ID: References: <20251204151003.171039-1-peterx@redhat.com> <20251204151003.171039-3-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Stat-Signature: 5yd1egdtqnysdykktmotox8jb1k47b4q X-Rspam-User: X-Rspamd-Queue-Id: E7F41160016 X-Rspamd-Server: rspam01 X-HE-Tag: 1765185723-742438 X-HE-Meta: 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 atFPjIGy v8aWPl2SXwwfjVARtAlXB1HGYrIn3TawxNtu0Rf8HU+Gg1L/dRs0cqGgNpYJr2ZhmI3KBjQXzFM2YB609VuSzgpUiRWjQPlVhmCTlG7DsQUPmIBPRVdyZqvqADZ52QNmXUI5qYVyisNpeaDW/nTBxJMaKO67X64Bt8Wziuqnq5GHotxY2DLmsb/YD8vnJOf/Vw2/DO6sHRyKmHfDRvVzNs6gMLlUgfyYTUbr6k7DHpoOiiCshaOysZejhgiJ5mumvOW0++rf22PmCc0kogFGGgwPm2DkA+s174RrKOuH5/7sOTHihGWm77vvka949SAuOJdNTHVgypGJYaGFvrvN7ycOF68mXIc/nR9MmognKq4usHcC1nasTTNoc2g== 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 Thu, Dec 04, 2025 at 10:19:44AM -0500, Peter Xu wrote: > > Add one new file operation, get_mapping_order(). It can be used by file > > backends to report mapping order hints. This seems like a terrible idea. I'll look at it after Plumbers.