Commit 589110e8 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

iomap: Convert iomap_migrate_page() to use folios 



The arguments are still pages for now, but we can use folios internally
and cut out a lot of calls to compound_head().

Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDarrick J. Wong <djwong@kernel.org>
parent e735c007

fs/iomap/buffered-io.c

+7 −5
Original line number Diff line number Diff line
@@ -504,19 +504,21 @@ int 
iomap_migrate_page(struct address_space *mapping, struct page *newpage,

		struct page *page, enum migrate_mode mode)

{

	struct folio *folio = page_folio(page);

	struct folio *newfolio = page_folio(newpage);

	int ret;



	ret = migrate_page_move_mapping(mapping, newpage, page, 0);

	ret = folio_migrate_mapping(mapping, newfolio, folio, 0);

	if (ret != MIGRATEPAGE_SUCCESS)

		return ret;



	if (page_has_private(page))

		attach_page_private(newpage, detach_page_private(page));

	if (folio_test_private(folio))

		folio_attach_private(newfolio, folio_detach_private(folio));



	if (mode != MIGRATE_SYNC_NO_COPY)

		migrate_page_copy(newpage, page);

		folio_migrate_copy(newfolio, folio);

	else

		migrate_page_states(newpage, page);

		folio_migrate_flags(newfolio, folio);

	return MIGRATEPAGE_SUCCESS;

}

EXPORT_SYMBOL_GPL(iomap_migrate_page);