482 	if (!bitmap->storage.sb_page) /* no superblock */  in md_bitmap_update_sb()
484 	sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_update_sb()
507 		write_file_page(bitmap, bitmap->storage.sb_page, 1);  in md_bitmap_update_sb()
510 			      bitmap->storage.sb_page, 1);  in md_bitmap_update_sb()
519 	if (!bitmap || !bitmap->storage.sb_page)  in md_bitmap_print_sb()
521 	sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_print_sb()
559 	bitmap->storage.sb_page = alloc_page(GFP_KERNEL | __GFP_ZERO);  in md_bitmap_new_disk_sb()
560 	if (bitmap->storage.sb_page == NULL)  in md_bitmap_new_disk_sb()
564 	sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_new_disk_sb()
622 	struct page *sb_page;  in md_bitmap_read_sb()  local
634 	sb_page = alloc_page(GFP_KERNEL);  in md_bitmap_read_sb()
635 	if (!sb_page)  in md_bitmap_read_sb()
637 	bitmap->storage.sb_page = sb_page;  in md_bitmap_read_sb()
660 				bitmap, bytes, sb_page);  in md_bitmap_read_sb()
662 		err = read_sb_page(bitmap->mddev, offset, sb_page, 0,  in md_bitmap_read_sb()
669 	sb = kmap_atomic(sb_page);  in md_bitmap_read_sb()
783 	if (store->sb_page)  in file_page_index()
792 	if (store->sb_page)  in file_page_offset()
829 	if (with_super && !store->sb_page) {  in md_bitmap_storage_alloc()
830 		store->sb_page = alloc_page(GFP_KERNEL|__GFP_ZERO);  in md_bitmap_storage_alloc()
831 		if (store->sb_page == NULL)  in md_bitmap_storage_alloc()
836 	if (store->sb_page) {  in md_bitmap_storage_alloc()
837 		store->filemap[0] = store->sb_page;  in md_bitmap_storage_alloc()
867 	struct page *sb_page = store->sb_page;  in md_bitmap_file_unmap()  local
872 		if (map[pages] != sb_page) /* 0 is sb_page, release it below */  in md_bitmap_file_unmap()
877 	if (sb_page)  in md_bitmap_file_unmap()
878 		free_buffers(sb_page);  in md_bitmap_file_unmap()
1340 			sb = kmap_atomic(bitmap->storage.sb_page);  in md_bitmap_daemon_work()
2210 	if (store.sb_page && bitmap->storage.sb_page)  in md_bitmap_resize()
2211 		memcpy(page_address(store.sb_page),  in md_bitmap_resize()
2212 		       page_address(bitmap->storage.sb_page),  in md_bitmap_resize()