On Thu, Jul 15, 2021 at 04:35:11AM +0100, 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_test_writeback() eliminates a call > to compound_head() which saves 8 bytes and 15 bytes in the two > functions. Unfortunately, that is more than offset by adding the > wait_on_page_writeback compatibility wrapper for a net increase in text > of 7 bytes. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Layton <jlayton@xxxxxxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx> > --- > fs/afs/write.c | 9 ++++---- > include/linux/pagemap.h | 3 ++- > mm/folio-compat.c | 6 ++++++ > mm/page-writeback.c | 48 ++++++++++++++++++++++++++++------------- > 4 files changed, 46 insertions(+), 20 deletions(-) Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
