On 7/15/21 5:35 AM, Matthew Wilcox (Oracle) wrote: > Rename set_page_writeback() to folio_start_writeback() to match > folio_end_writeback(). Do not bother with wrappers that return void; > callers are perfectly capable of ignoring return values. > > Add wrappers for set_page_writeback(), set_page_writeback_keepwrite() and > test_set_page_writeback() for compatibililty with existing filesystems. > The main advantage of this patch is getting the statistics right, > although it does eliminate a couple of calls to compound_head(). > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>