From 8faa8ef5dd11abe119ad0c8ccd39f2064ca7ed0e Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Mon, 6 Jun 2022 09:34:36 -0400 Subject: [PATCH] mm/migrate: Convert fallback_migrate_page() to fallback_migrate_folio() Use a folio throughout. migrate_page() will be converted to migrate_folio() later. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig --- mm/migrate.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 3c3c168097dd..c5278440f74d 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -805,11 +805,11 @@ static int writeout(struct address_space *mapping, struct page *page) /* * Default handling if a filesystem does not provide a migration function. */ -static int fallback_migrate_page(struct address_space *mapping, - struct page *newpage, struct page *page, enum migrate_mode mode) +static int fallback_migrate_folio(struct address_space *mapping, + struct folio *dst, struct folio *src, enum migrate_mode mode) { - if (PageDirty(page)) { - /* Only writeback pages in full synchronous migration */ + if (folio_test_dirty(src)) { + /* Only writeback folios in full synchronous migration */ switch (mode) { case MIGRATE_SYNC: case MIGRATE_SYNC_NO_COPY: @@ -817,18 +817,18 @@ static int fallback_migrate_page(struct address_space *mapping, default: return -EBUSY; } - return writeout(mapping, page); + return writeout(mapping, &src->page); } /* * Buffers may be managed in a filesystem specific way. * We must have no buffers or drop them. */ - if (page_has_private(page) && - !try_to_release_page(page, GFP_KERNEL)) + if (folio_test_private(src) && + !filemap_release_folio(src, GFP_KERNEL)) return mode == MIGRATE_SYNC ? -EAGAIN : -EBUSY; - return migrate_page(mapping, newpage, page, mode); + return migrate_page(mapping, &dst->page, &src->page, mode); } /* @@ -870,8 +870,7 @@ static int move_to_new_folio(struct folio *dst, struct folio *src, rc = mapping->a_ops->migratepage(mapping, &dst->page, &src->page, mode); else - rc = fallback_migrate_page(mapping, &dst->page, - &src->page, mode); + rc = fallback_migrate_folio(mapping, dst, src, mode); } else { const struct movable_operations *mops;