Merge tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache

Pull folio updates from Matthew Wilcox:

 - Fix an accounting bug that made NR_FILE_DIRTY grow without limit
   when running xfstests

 - Convert more of mpage to use folios

 - Remove add_to_page_cache() and add_to_page_cache_locked()

 - Convert find_get_pages_range() to filemap_get_folios()

 - Improvements to the read_cache_page() family of functions

 - Remove a few unnecessary checks of PageError

 - Some straightforward filesystem conversions to use folios

 - Split PageMovable users out from address_space_operations into
   their own movable_operations

 - Convert aops->migratepage to aops->migrate_folio

 - Remove nobh support (Christoph Hellwig)

* tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache: (78 commits)
  fs: remove the NULL get_block case in mpage_writepages
  fs: don't call ->writepage from __mpage_writepage
  fs: remove the nobh helpers
  jfs: stop using the nobh helper
  ext2: remove nobh support
  ntfs3: refactor ntfs_writepages
  mm/folio-compat: Remove migration compatibility functions
  fs: Remove aops->migratepage()
  secretmem: Convert to migrate_folio
  hugetlb: Convert to migrate_folio
  aio: Convert to migrate_folio
  f2fs: Convert to filemap_migrate_folio()
  ubifs: Convert to filemap_migrate_folio()
  btrfs: Convert btrfs_migratepage to migrate_folio
  mm/migrate: Add filemap_migrate_folio()
  mm/migrate: Convert migrate_page() to migrate_folio()
  nfs: Convert to migrate_folio
  btrfs: Convert btree_migratepage to migrate_folio
  mm/migrate: Convert expected_page_refs() to folio_expected_refs()
  mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()
  ...

1 files changed, 1 insertions, 39 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5c13ee321940..ed503d50f95f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3752,42 +3752,6 @@ out:
 	return blknr;
 }
 
-#ifdef CONFIG_MIGRATION
-#include <linux/migrate.h>
-
-int f2fs_migrate_page(struct address_space *mapping,
-		struct page *newpage, struct page *page, enum migrate_mode mode)
-{
-	int rc, extra_count = 0;
-
-	BUG_ON(PageWriteback(page));
-
-	rc = migrate_page_move_mapping(mapping, newpage,
-				page, extra_count);
-	if (rc != MIGRATEPAGE_SUCCESS)
-		return rc;
-
-	/* guarantee to start from no stale private field */
-	set_page_private(newpage, 0);
-	if (PagePrivate(page)) {
-		set_page_private(newpage, page_private(page));
-		SetPagePrivate(newpage);
-		get_page(newpage);
-
-		set_page_private(page, 0);
-		ClearPagePrivate(page);
-		put_page(page);
-	}
-
-	if (mode != MIGRATE_SYNC_NO_COPY)
-		migrate_page_copy(newpage, page);
-	else
-		migrate_page_states(newpage, page);
-
-	return MIGRATEPAGE_SUCCESS;
-}
-#endif
-
 #ifdef CONFIG_SWAP
 static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk,
 							unsigned int blkcnt)
@@ -4019,15 +3983,13 @@ const struct address_space_operations f2fs_dblock_aops = {
 	.write_begin	= f2fs_write_begin,
 	.write_end	= f2fs_write_end,
 	.dirty_folio	= f2fs_dirty_data_folio,
+	.migrate_folio	= filemap_migrate_folio,
 	.invalidate_folio = f2fs_invalidate_folio,
 	.release_folio	= f2fs_release_folio,
 	.direct_IO	= noop_direct_IO,
 	.bmap		= f2fs_bmap,
 	.swap_activate  = f2fs_swap_activate,
 	.swap_deactivate = f2fs_swap_deactivate,
-#ifdef CONFIG_MIGRATION
-	.migratepage    = f2fs_migrate_page,
-#endif
 };
 
 void f2fs_clear_page_cache_dirty_tag(struct page *page)