From: Peng Zhang <zhangpeng362@huawei.com>
To: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
<willy@infradead.org>
Cc: <sidhartha.kumar@oracle.com>, <akpm@linux-foundation.org>,
<wangkefeng.wang@huawei.com>, <sunnanyong@huawei.com>,
ZhangPeng <zhangpeng362@huawei.com>
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 [thread overview]
Message-ID: <20230719095848.3422629-7-zhangpeng362@huawei.com> (raw)
In-Reply-To: <20230719095848.3422629-1-zhangpeng362@huawei.com>
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
next prev parent reply other threads:[~2023-07-19 9:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-19 9:58 [PATCH v2 0/9] Convert several functions in page_io.c to use a folio Peng Zhang
2023-07-19 9:58 ` [PATCH v2 1/9] mm/page_io: remove unneeded ClearPageUptodate() Peng Zhang
2023-07-19 9:58 ` [PATCH v2 2/9] mm/page_io: remove unneeded SetPageError() Peng Zhang
2023-07-19 9:58 ` [PATCH v2 3/9] mm/page_io: convert bio_first_page_all() to bio_first_folio_all() Peng Zhang
2023-07-19 14:17 ` Matthew Wilcox
2023-07-20 5:34 ` Christoph Hellwig
2023-07-20 9:31 ` zhangpeng (AS)
2023-07-19 9:58 ` [PATCH v2 4/9] mm/page_io: use a folio in __end_swap_bio_read() Peng Zhang
2023-07-19 9:58 ` [PATCH v2 5/9] mm/page_io: use a folio in sio_read_complete() Peng Zhang
2023-07-19 9:58 ` Peng Zhang [this message]
2023-07-19 9:58 ` [PATCH v2 7/9] mm/page_io: use a folio in swap_writepage_bdev_async() Peng Zhang
2023-07-19 9:58 ` [PATCH v2 8/9] mm/page_io: convert count_swpout_vm_event() to take in a folio Peng Zhang
2023-07-19 14:24 ` Matthew Wilcox
2023-07-20 9:31 ` zhangpeng (AS)
2023-07-19 9:58 ` [PATCH v2 9/9] mm/page_io: convert bio_associate_blkg_from_page() " Peng Zhang
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