452 	if (!bitmap->storage.sb_page) /* no superblock */  in md_bitmap_update_sb()
454 	sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_update_sb()
475 	write_page(bitmap, bitmap->storage.sb_page, 1);  in md_bitmap_update_sb()
484 	if (!bitmap || !bitmap->storage.sb_page)  in md_bitmap_print_sb()
486 	sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_print_sb()
524 	bitmap->storage.sb_page = alloc_page(GFP_KERNEL | __GFP_ZERO);  in md_bitmap_new_disk_sb()
525 	if (bitmap->storage.sb_page == NULL)  in md_bitmap_new_disk_sb()
527 	bitmap->storage.sb_page->index = 0;  in md_bitmap_new_disk_sb()
529 	sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_new_disk_sb()
587 	struct page *sb_page;  in md_bitmap_read_sb()  local
599 	sb_page = alloc_page(GFP_KERNEL);  in md_bitmap_read_sb()
600 	if (!sb_page)  in md_bitmap_read_sb()
602 	bitmap->storage.sb_page = sb_page;  in md_bitmap_read_sb()
625 				bitmap, bytes, sb_page);  in md_bitmap_read_sb()
629 				   sb_page,  in md_bitmap_read_sb()
636 	sb = kmap_atomic(sb_page);  in md_bitmap_read_sb()
751 	if (store->sb_page)  in file_page_index()
760 	if (store->sb_page)  in file_page_offset()
797 	if (with_super && !store->sb_page) {  in md_bitmap_storage_alloc()
798 		store->sb_page = alloc_page(GFP_KERNEL|__GFP_ZERO);  in md_bitmap_storage_alloc()
799 		if (store->sb_page == NULL)  in md_bitmap_storage_alloc()
804 	if (store->sb_page) {  in md_bitmap_storage_alloc()
805 		store->filemap[0] = store->sb_page;  in md_bitmap_storage_alloc()
807 		store->sb_page->index = offset;  in md_bitmap_storage_alloc()
835 	struct page **map, *sb_page;  in md_bitmap_file_unmap()  local
842 	sb_page = store->sb_page;  in md_bitmap_file_unmap()
845 		if (map[pages] != sb_page) /* 0 is sb_page, release it below */  in md_bitmap_file_unmap()
850 	if (sb_page)  in md_bitmap_file_unmap()
851 		free_buffers(sb_page);  in md_bitmap_file_unmap()
1276 			sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_daemon_work()
2140 	if (store.sb_page && bitmap->storage.sb_page)  in md_bitmap_resize()
2141 		memcpy(page_address(store.sb_page),  in md_bitmap_resize()
2142 		       page_address(bitmap->storage.sb_page),  in md_bitmap_resize()