Re: [PATCH v14 068/138] mm/writeback: Add folio_mark_dirty()

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On 7/15/21 5:35 AM, Matthew Wilcox (Oracle) wrote:
> Reimplement set_page_dirty() as a wrapper around folio_mark_dirty().
> There is no change to filesystems as they were already being called
> with the compound_head of the page being marked dirty.  We avoid
> several calls to compound_head(), both statically (through
> using folio_test_dirty() instead of PageDirty() and dynamically by
> calling folio_mapping() instead of page_mapping().
> 
> Also return bool instead of int to show the range of values actually
> returned, and add kernel-doc.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>




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