linux-kernel - [PATCH v2 5/9] mm/page_io: use a folio in sio_read

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Message-ID: <20230719095848.3422629-6-zhangpeng362@huawei.com>
Date:   Wed, 19 Jul 2023 17:58:44 +0800
From:   Peng Zhang <zhangpeng362@...wei.com>
To:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <willy@...radead.org>
CC:     <sidhartha.kumar@...cle.com>, <akpm@...ux-foundation.org>,
        <wangkefeng.wang@...wei.com>, <sunnanyong@...wei.com>,
        ZhangPeng <zhangpeng362@...wei.com>
Subject: [PATCH v2 5/9] mm/page_io: use a folio in sio_read_complete()

From: ZhangPeng <zhangpeng362@...wei.com>

Saves one implicit call to compound_head().

Signed-off-by: ZhangPeng <zhangpeng362@...wei.com>
---
 mm/page_io.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/page_io.c b/mm/page_io.c
index 6520687bd282..92f21f380ee8 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -403,17 +403,17 @@ static void sio_read_complete(struct kiocb *iocb, long ret)
 
 	if (ret == sio->len) {
 		for (p = 0; p < sio->pages; p++) {
-			struct page *page = sio->bvec[p].bv_page;
+			struct folio *folio = page_folio(sio->bvec[p].bv_page);
 
-			SetPageUptodate(page);
-			unlock_page(page);
+			folio_mark_uptodate(folio);
+			folio_unlock(folio);
 		}
 		count_vm_events(PSWPIN, sio->pages);
 	} else {
 		for (p = 0; p < sio->pages; p++) {
-			struct page *page = sio->bvec[p].bv_page;
+			struct folio *folio = page_folio(sio->bvec[p].bv_page);
 
-			unlock_page(page);
+			folio_unlock(folio);
 		}
 		pr_alert_ratelimited("Read-error on swap-device\n");
 	}
-- 
2.25.1