linux-kernel - [PATCH] filemap: Convert page

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Date:   Tue,  9 Aug 2022 10:32:56 +0800
From:   shaoqin.huang@...el.com
To:     linux-mm@...ck.org, willy@...radead.org
Cc:     Shaoqin Huang <shaoqin.huang@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] filemap: Convert page_endio() to use a folio

From: Shaoqin Huang <shaoqin.huang@...el.com>

Replace three calls to compound_head() with one.

Signed-off-by: Shaoqin Huang <shaoqin.huang@...el.com>
---
 mm/filemap.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index 15800334147b..cb740a6b7227 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1633,24 +1633,26 @@ EXPORT_SYMBOL(folio_end_writeback);
  */
 void page_endio(struct page *page, bool is_write, int err)
 {
+	struct folio *folio = page_folio(page);
+
 	if (!is_write) {
 		if (!err) {
-			SetPageUptodate(page);
+			folio_mark_uptodate(folio);
 		} else {
-			ClearPageUptodate(page);
-			SetPageError(page);
+			folio_clear_uptodate(folio);
+			folio_set_error(folio);
 		}
-		unlock_page(page);
+		folio_unlock(folio);
 	} else {
 		if (err) {
 			struct address_space *mapping;
 
-			SetPageError(page);
-			mapping = page_mapping(page);
+			folio_set_error(folio);
+			mapping = folio_mapping(folio);
 			if (mapping)
 				mapping_set_error(mapping, err);
 		}
-		end_page_writeback(page);
+		folio_end_writeback(folio);
 	}
 }
 EXPORT_SYMBOL_GPL(page_endio);
-- 
2.30.2