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>
