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SubjectRe: [PATCH v11 26/33] mm/writeback: Add folio_wait_writeback()
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Matthew Wilcox (Oracle) <willy@infradead.org> wrote:

> + struct page *page = &folio->page;

Isn't that a layering violation? Should it be something like:

struct page *page = folio_head();

or:

struct page *page = folio_subpage(0);

maybe?

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