From: Peng Zhang <zhangpeng362@huawei.com>
To: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
<willy@infradead.org>
Cc: <hch@infradead.org>, <sidhartha.kumar@oracle.com>,
<akpm@linux-foundation.org>, <wangkefeng.wang@huawei.com>,
<sunnanyong@huawei.com>, ZhangPeng <zhangpeng362@huawei.com>
Subject: [PATCH v3 07/10] mm/page_io: use a folio in swap_writepage_bdev_sync()
Date: Thu, 20 Jul 2023 21:01:44 +0800 [thread overview]
Message-ID: <20230720130147.4071649-8-zhangpeng362@huawei.com> (raw)
In-Reply-To: <20230720130147.4071649-1-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 7e7a9f67b9ad..9df2a85e31b1 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:[~2023-07-20 13:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-20 13:01 [PATCH v3 00/10] Convert several functions in page_io.c to use a folio Peng Zhang
2023-07-20 13:01 ` [PATCH v3 01/10] mm/page_io: remove unneeded ClearPageUptodate() Peng Zhang
2023-07-20 13:01 ` [PATCH v3 02/10] mm/page_io: remove unneeded SetPageError() Peng Zhang
2023-07-20 13:01 ` [PATCH v3 03/10] mm/page_io: introduce bio_first_folio_all() Peng Zhang
2023-07-20 13:01 ` [PATCH v3 04/10] mm/page_io: use a folio in __end_swap_bio_write() Peng Zhang
2023-07-20 13:01 ` [PATCH v3 05/10] mm/page_io: use a folio in __end_swap_bio_read() Peng Zhang
2023-07-20 13:01 ` [PATCH v3 06/10] mm/page_io: use a folio in sio_read_complete() Peng Zhang
2023-07-20 13:01 ` Peng Zhang [this message]
2023-07-20 13:01 ` [PATCH v3 08/10] mm/page_io: use a folio in swap_writepage_bdev_async() Peng Zhang
2023-07-20 13:01 ` [PATCH v3 09/10] mm/page_io: convert count_swpout_vm_event() to take in a folio Peng Zhang
2023-07-21 1:31 ` kernel test robot
2023-07-21 2:30 ` zhangpeng (AS)
2023-07-21 2:02 ` kernel test robot
2023-07-20 13:01 ` [PATCH v3 10/10] mm/page_io: convert bio_associate_blkg_from_page() " Peng Zhang
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