On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote: > wait_on_page_writeback_killable() only has one caller, so convert it to > call folio_wait_writeback_killable(). For the wait_on_page_writeback() > callers, add a compatibility wrapper around folio_wait_writeback(). > > Turning PageWriteback() into folio_writeback() eliminates a call to > compound_head() which saves 8 bytes and 15 bytes in the two functions. > That is more than offset by adding the wait_on_page_writeback > compatibility wrapper for a net increase in text of 15 bytes. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Layton <jlayton@xxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
