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    Subject[PATCH v13 095/137] iomap: Convert iomap_invalidatepage to use a folio
    Date
    This is an address_space operation, so its argument must remain as a
    struct page, but we can use a folio internally.

    Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
    ---
    fs/iomap/buffered-io.c | 8 ++++----
    1 file changed, 4 insertions(+), 4 deletions(-)

    diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
    index 33a0bfb6f3db..1ed63e8cc727 100644
    --- a/fs/iomap/buffered-io.c
    +++ b/fs/iomap/buffered-io.c
    @@ -478,15 +478,15 @@ iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
    {
    struct folio *folio = page_folio(page);

    - trace_iomap_invalidatepage(page->mapping->host, offset, len);
    + trace_iomap_invalidatepage(folio->mapping->host, offset, len);

    /*
    * If we are invalidating the entire page, clear the dirty state from it
    * and release it to avoid unnecessary buildup of the LRU.
    */
    - if (offset == 0 && len == PAGE_SIZE) {
    - WARN_ON_ONCE(PageWriteback(page));
    - cancel_dirty_page(page);
    + if (offset == 0 && len == folio_size(folio)) {
    + WARN_ON_ONCE(folio_writeback(folio));
    + folio_cancel_dirty(folio);
    iomap_page_release(folio);
    }
    }
    --
    2.30.2
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