Messages in this thread Patch in this message | | | From | Peng Zhang <> | Subject | [PATCH v2 6/9] mm/page_io: use a folio in swap_writepage_bdev_sync() | Date | Wed, 19 Jul 2023 17:58:45 +0800 |
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From: ZhangPeng <zhangpeng362@huawei.com>
Saves one implicit call to compound_head().
Signed-off-by: ZhangPeng <zhangpeng362@huawei.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/page_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/mm/page_io.c b/mm/page_io.c index 92f21f380ee8..0c96ea9dd258 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -331,6 +331,7 @@ static void swap_writepage_bdev_sync(struct page *page, { struct bio_vec bv; struct bio bio; + struct folio *folio = page_folio(page); bio_init(&bio, sis->bdev, &bv, 1, REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc)); @@ -340,8 +341,8 @@ static void swap_writepage_bdev_sync(struct page *page, bio_associate_blkg_from_page(&bio, page); count_swpout_vm_event(page); - set_page_writeback(page); - unlock_page(page); + folio_start_writeback(folio); + folio_unlock(folio); submit_bio_wait(&bio); __end_swap_bio_write(&bio); -- 2.25.1
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