[PATCH 2/8] mm: remove end_page_writeback()

[Tal Zussman <tz2294@columbia.edu>]

There are no callers left. Update the two comments that still named
it to refer to folio_end_writeback().

Signed-off-by: Tal Zussman <tz2294@columbia.edu>
---
 include/linux/pagemap.h   | 1 -
 include/linux/writeback.h | 2 +-
 mm/folio-compat.c         | 6 ------
 mm/migrate.c              | 2 +-
 4 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index c0f7c06dc6fd..692ce3867a1d 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -1301,7 +1301,6 @@ static inline int folio_wait_locked_killable(struct folio *folio)
 void folio_end_read(struct folio *folio, bool success);
 void folio_wait_writeback(struct folio *folio);
 int folio_wait_writeback_killable(struct folio *folio);
-void end_page_writeback(struct page *page);
 void folio_end_writeback(struct folio *folio);
 void folio_end_writeback_no_dropbehind(struct folio *folio);
 void folio_end_dropbehind(struct folio *folio);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index b749a9a5a5ee..c50f404141b0 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -124,7 +124,7 @@ struct wb_domain {
 	 * writeout speed.
 	 *
 	 * We do this by keeping a floating proportion between BDIs, based
-	 * on page writeback completions [end_page_writeback()]. Those
+	 * on page writeback completions [folio_end_writeback()]. Those
 	 * devices that write out pages fastest will get the larger share,
 	 * while the slower will get a smaller share.
 	 *
diff --git a/mm/folio-compat.c b/mm/folio-compat.c
index f880110ac980..9f2cd0ebfbbd 100644
--- a/mm/folio-compat.c
+++ b/mm/folio-compat.c
@@ -17,12 +17,6 @@ void unlock_page(struct page *page)
 }
 EXPORT_SYMBOL(unlock_page);
 
-void end_page_writeback(struct page *page)
-{
-	return folio_end_writeback(page_folio(page));
-}
-EXPORT_SYMBOL(end_page_writeback);
-
 void mark_page_accessed(struct page *page)
 {
 	folio_mark_accessed(page_folio(page));
diff --git a/mm/migrate.c b/mm/migrate.c
index 94e8cd46c6db..953af633ec0d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -859,7 +859,7 @@ void folio_migrate_flags(struct folio *newfolio, struct folio *folio)
 
 	/*
 	 * PG_readahead shares the same bit with PG_reclaim.  The above
-	 * end_page_writeback() may clear PG_readahead mistakenly, so set the
+	 * folio_end_writeback() may clear PG_readahead mistakenly, so set the
 	 * bit after that.
 	 */
 	if (folio_test_readahead(folio))

-- 
2.39.5