489 	if (!bitmap->sb_page) { /* no superblock */  in bitmap_update_sb()
494 	sb = kmap_atomic(bitmap->sb_page, KM_USER0);  in bitmap_update_sb()
505 	write_page(bitmap, bitmap->sb_page, 1);  in bitmap_update_sb()
513 	if (!bitmap || !bitmap->sb_page)  in bitmap_print_sb()
515 	sb = kmap_atomic(bitmap->sb_page, KM_USER0);  in bitmap_print_sb()
551 		bitmap->sb_page = read_page(bitmap->file, 0, bitmap, bytes);  in bitmap_read_sb()
553 		bitmap->sb_page = read_sb_page(bitmap->mddev,  in bitmap_read_sb()
558 	if (IS_ERR(bitmap->sb_page)) {  in bitmap_read_sb()
559 		err = PTR_ERR(bitmap->sb_page);  in bitmap_read_sb()
560 		bitmap->sb_page = NULL;  in bitmap_read_sb()
564 	sb = kmap_atomic(bitmap->sb_page, KM_USER0);  in bitmap_read_sb()
645 	if (!bitmap->sb_page) { /* can't set the state */  in bitmap_mask_state()
650 	sb = kmap_atomic(bitmap->sb_page, KM_USER0);  in bitmap_mask_state()
712 	struct page **map, *sb_page;  in bitmap_file_unmap()  local
724 	sb_page = bitmap->sb_page;  in bitmap_file_unmap()
725 	bitmap->sb_page = NULL;  in bitmap_file_unmap()
729 		if (map[pages] != sb_page) /* 0 is sb_page, release it below */  in bitmap_file_unmap()
734 	if (sb_page)  in bitmap_file_unmap()
735 		free_buffers(sb_page);  in bitmap_file_unmap()
998 			if (index == 0 && bitmap->sb_page) {  in bitmap_init_from_disk()
1004 				page = bitmap->sb_page;  in bitmap_init_from_disk()
1195 				sb = kmap_atomic(bitmap->sb_page, KM_USER0);  in bitmap_daemon_work()
1199 				write_page(bitmap, bitmap->sb_page, 1);  in bitmap_daemon_work()