linux-kernel - [PATCH v2 5/5] filemap: remove page

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Date:   Mon,  3 Apr 2023 15:22:21 +0200
From:   Pankaj Raghav <p.raghav@...sung.com>
To:     axboe@...nel.dk, minchan@...nel.org, martin@...ibond.com,
        hubcap@...ibond.com, brauner@...nel.org, viro@...iv.linux.org.uk,
        senozhatsky@...omium.org, akpm@...ux-foundation.org,
        willy@...radead.org, hch@....de
Cc:     devel@...ts.orangefs.org, mcgrof@...nel.org,
        linux-block@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, gost.dev@...sung.com,
        linux-fsdevel@...r.kernel.org, Pankaj Raghav <p.raghav@...sung.com>
Subject: [PATCH v2 5/5] filemap: remove page_endio()

page_endio() is not used anymore. Remove it.

Signed-off-by: Pankaj Raghav <p.raghav@...sung.com>
---
 include/linux/pagemap.h |  2 --
 mm/filemap.c            | 30 ------------------------------
 2 files changed, 32 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index fdcd595d2294..73ee6ead90dd 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -1076,8 +1076,6 @@ int filemap_migrate_folio(struct address_space *mapping, struct folio *dst,
 #else
 #define filemap_migrate_folio NULL
 #endif
-void page_endio(struct page *page, bool is_write, int err);
-
 void folio_end_private_2(struct folio *folio);
 void folio_wait_private_2(struct folio *folio);
 int folio_wait_private_2_killable(struct folio *folio);
diff --git a/mm/filemap.c b/mm/filemap.c
index 6f3a7e53fccf..a770a207825d 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1625,36 +1625,6 @@ void folio_end_writeback(struct folio *folio)
 }
 EXPORT_SYMBOL(folio_end_writeback);
 
-/*
- * After completing I/O on a page, call this routine to update the page
- * flags appropriately
- */
-void page_endio(struct page *page, bool is_write, int err)
-{
-	struct folio *folio = page_folio(page);
-
-	if (!is_write) {
-		if (!err) {
-			folio_mark_uptodate(folio);
-		} else {
-			folio_clear_uptodate(folio);
-			folio_set_error(folio);
-		}
-		folio_unlock(folio);
-	} else {
-		if (err) {
-			struct address_space *mapping;
-
-			folio_set_error(folio);
-			mapping = folio_mapping(folio);
-			if (mapping)
-				mapping_set_error(mapping, err);
-		}
-		folio_end_writeback(folio);
-	}
-}
-EXPORT_SYMBOL_GPL(page_endio);
-
 /**
  * __folio_lock - Get a lock on the folio, assuming we need to sleep to get it.
  * @folio: The folio to lock
-- 
2.34.1