482 	struct nilfs_shadow_map *shadow = mdi->mi_shadow;  in nilfs_mdt_clear()  local
487 	if (shadow) {  in nilfs_mdt_clear()
488 		struct inode *s_inode = shadow->inode;  in nilfs_mdt_clear()
490 		shadow->inode = NULL;  in nilfs_mdt_clear()
519  * nilfs_mdt_setup_shadow_map - setup shadow map and bind it to metadata file
521  * @shadow: shadow mapping
526 			       struct nilfs_shadow_map *shadow)  in nilfs_mdt_setup_shadow_map()  argument
531 	INIT_LIST_HEAD(&shadow->frozen_buffers);  in nilfs_mdt_setup_shadow_map()
537 	shadow->inode = s_inode;  in nilfs_mdt_setup_shadow_map()
538 	mi->mi_shadow = shadow;  in nilfs_mdt_setup_shadow_map()
543  * nilfs_mdt_save_to_shadow_map - copy bmap and dirty pages to shadow map
552 	struct nilfs_shadow_map *shadow = mi->mi_shadow;  in nilfs_mdt_save_to_shadow_map()  local
553 	struct inode *s_inode = shadow->inode;  in nilfs_mdt_save_to_shadow_map()
565 	nilfs_bmap_save(ii->i_bmap, &shadow->bmap_store);  in nilfs_mdt_save_to_shadow_map()
572 	struct nilfs_shadow_map *shadow = NILFS_MDT(inode)->mi_shadow;  in nilfs_mdt_freeze_buffer()  local
577 	folio = filemap_grab_folio(shadow->inode->i_mapping,  in nilfs_mdt_freeze_buffer()
593 			      &shadow->frozen_buffers);  in nilfs_mdt_freeze_buffer()
607 	struct nilfs_shadow_map *shadow = NILFS_MDT(inode)->mi_shadow;  in nilfs_mdt_get_frozen_buffer()  local
612 	folio = filemap_lock_folio(shadow->inode->i_mapping,  in nilfs_mdt_get_frozen_buffer()
627 static void nilfs_release_frozen_buffers(struct nilfs_shadow_map *shadow)  in nilfs_release_frozen_buffers()  argument
629 	struct list_head *head = &shadow->frozen_buffers;  in nilfs_release_frozen_buffers()
648 	struct nilfs_shadow_map *shadow = mi->mi_shadow;  in nilfs_mdt_restore_from_shadow_map()  local
656 	nilfs_copy_back_pages(inode->i_mapping, shadow->inode->i_mapping);  in nilfs_mdt_restore_from_shadow_map()
660 			      NILFS_I(shadow->inode)->i_assoc_inode->i_mapping);  in nilfs_mdt_restore_from_shadow_map()
662 	nilfs_bmap_restore(ii->i_bmap, &shadow->bmap_store);  in nilfs_mdt_restore_from_shadow_map()
668  * nilfs_mdt_clear_shadow_map - truncate pages in shadow map caches
674 	struct nilfs_shadow_map *shadow = mi->mi_shadow;  in nilfs_mdt_clear_shadow_map()  local
675 	struct inode *shadow_btnc_inode = NILFS_I(shadow->inode)->i_assoc_inode;  in nilfs_mdt_clear_shadow_map()
678 	nilfs_release_frozen_buffers(shadow);  in nilfs_mdt_clear_shadow_map()
679 	truncate_inode_pages(shadow->inode->i_mapping, 0);  in nilfs_mdt_clear_shadow_map()