Re: [PATCH v14 074/138] mm/writeback: Add folio_clear_dirty_for_io()

[Vlastimil Babka]

On 7/15/21 5:36 AM, Matthew Wilcox (Oracle) wrote:
> Transform clear_page_dirty_for_io() into folio_clear_dirty_for_io()
> and add a compatibility wrapper.  Also move the declaration to pagemap.h
> as this is page cache functionality that doesn't need to be used by the
> rest of the kernel.
> 
> Increases the size of the kernel by 79 bytes.  While we remove a few
> calls to compound_head(), we add a call to folio_nr_pages() to get the
> stats correct for the eventual support of multi-page folios.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>