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    SubjectRe: [PATCH v2 35/46] mm/filemap: Add folio_mkwrite_check_truncate()
    On Wed, Jun 23, 2021 at 11:47:58AM +0200, Christoph Hellwig wrote:
    > On Tue, Jun 22, 2021 at 01:15:40PM +0100, Matthew Wilcox (Oracle) wrote:
    > > This is the folio equivalent of page_mkwrite_check_truncate().
    > >
    > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
    >
    > Any reason that page_mkwrite_check_truncate isn't turned into a wrapper?

    It'd introduce an extra call to page_folio() for no actual benefit

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