430 	struct bitmap_storage *store = &bitmap->storage;  in __write_sb_page()  local
441 	if ((pg_index - store->sb_index) == num_pages - 1) {  in __write_sb_page()
442 		unsigned int last_page_size = store->bytes & (PAGE_SIZE - 1);  in __write_sb_page()
639 	struct bitmap_storage *store = &bitmap->storage;  in filemap_write_page()  local
640 	struct page *page = store->filemap[pg_index];  in filemap_write_page()
644 		pg_index += store->sb_index;  in filemap_write_page()
647 	if (store->file)  in filemap_write_page()
981 static inline unsigned long file_page_index(struct bitmap_storage *store,  in file_page_index()  argument
984 	if (store->sb_page)  in file_page_index()
990 static inline unsigned long file_page_offset(struct bitmap_storage *store,  in file_page_offset()  argument
993 	if (store->sb_page)  in file_page_offset()
1002 static inline struct page *filemap_get_page(struct bitmap_storage *store,  in filemap_get_page()  argument
1005 	if (file_page_index(store, chunk) >= store->file_pages)  in filemap_get_page()
1007 	return store->filemap[file_page_index(store, chunk)];  in filemap_get_page()
1010 static int md_bitmap_storage_alloc(struct bitmap_storage *store,  in md_bitmap_storage_alloc()  argument
1025 	store->filemap = kmalloc_array(num_pages, sizeof(struct page *),  in md_bitmap_storage_alloc()
1027 	if (!store->filemap)  in md_bitmap_storage_alloc()
1030 	if (with_super && !store->sb_page) {  in md_bitmap_storage_alloc()
1031 		store->sb_page = alloc_page(GFP_KERNEL|__GFP_ZERO);  in md_bitmap_storage_alloc()
1032 		if (store->sb_page == NULL)  in md_bitmap_storage_alloc()
1037 	if (store->sb_page) {  in md_bitmap_storage_alloc()
1038 		store->filemap[0] = store->sb_page;  in md_bitmap_storage_alloc()
1040 		store->sb_index = offset;  in md_bitmap_storage_alloc()
1044 		store->filemap[pnum] = alloc_page(GFP_KERNEL|__GFP_ZERO);  in md_bitmap_storage_alloc()
1045 		if (!store->filemap[pnum]) {  in md_bitmap_storage_alloc()
1046 			store->file_pages = pnum;  in md_bitmap_storage_alloc()
1050 	store->file_pages = pnum;  in md_bitmap_storage_alloc()
1054 	store->filemap_attr = kzalloc(  in md_bitmap_storage_alloc()
1057 	if (!store->filemap_attr)  in md_bitmap_storage_alloc()
1060 	store->bytes = bytes;  in md_bitmap_storage_alloc()
1065 static void md_bitmap_file_unmap(struct bitmap_storage *store)  in md_bitmap_file_unmap()  argument
1067 	struct file *file = store->file;  in md_bitmap_file_unmap()
1068 	struct page *sb_page = store->sb_page;  in md_bitmap_file_unmap()
1069 	struct page **map = store->filemap;  in md_bitmap_file_unmap()
1070 	int pages = store->file_pages;  in md_bitmap_file_unmap()
1076 	kfree(store->filemap_attr);  in md_bitmap_file_unmap()
1152 	struct bitmap_storage *store = &bitmap->storage;  in md_bitmap_file_set_bit()  local
1153 	unsigned long index = file_page_index(store, chunk);  in md_bitmap_file_set_bit()
1156 	index += store->sb_index;  in md_bitmap_file_set_bit()
1158 		node_offset = bitmap->cluster_slot * store->file_pages;  in md_bitmap_file_set_bit()
1183 	struct bitmap_storage *store = &bitmap->storage;  in md_bitmap_file_clear_bit()  local
1184 	unsigned long index = file_page_index(store, chunk);  in md_bitmap_file_clear_bit()
1187 	index += store->sb_index;  in md_bitmap_file_clear_bit()
1189 		node_offset = bitmap->cluster_slot * store->file_pages;  in md_bitmap_file_clear_bit()
1324 	struct bitmap_storage *store = &bitmap->storage;  in md_bitmap_init_from_disk()  local
1325 	struct file *file = store->file;  in md_bitmap_init_from_disk()
1333 		store->filemap = NULL;  in md_bitmap_init_from_disk()
1334 		store->file_pages = 0;  in md_bitmap_init_from_disk()
1346 	if (file && i_size_read(file->f_mapping->host) < store->bytes) {  in md_bitmap_init_from_disk()
1350 			store->bytes);  in md_bitmap_init_from_disk()
1356 		node_offset = bitmap->cluster_slot * (DIV_ROUND_UP(store->bytes, PAGE_SIZE));  in md_bitmap_init_from_disk()
1358 	for (i = 0; i < store->file_pages; i++) {  in md_bitmap_init_from_disk()
1359 		struct page *page = store->filemap[i];  in md_bitmap_init_from_disk()
1363 		if (i == store->file_pages - 1)  in md_bitmap_init_from_disk()
1364 			count = store->bytes - i * PAGE_SIZE;  in md_bitmap_init_from_disk()
1381 		for (i = 0; i < store->file_pages; i++) {  in md_bitmap_init_from_disk()
1382 			struct page *page = store->filemap[i];  in md_bitmap_init_from_disk()
1430 		 bmname(bitmap), store->file_pages,  in md_bitmap_init_from_disk()
2394 	struct bitmap_storage store;  in __bitmap_resize()  local
2441 	memset(&store, 0, sizeof(store));  in __bitmap_resize()
2443 		ret = md_bitmap_storage_alloc(&store, chunks,  in __bitmap_resize()
2448 		md_bitmap_file_unmap(&store);  in __bitmap_resize()
2457 		md_bitmap_file_unmap(&store);  in __bitmap_resize()
2464 	store.file = bitmap->storage.file;  in __bitmap_resize()
2467 	if (store.sb_page && bitmap->storage.sb_page)  in __bitmap_resize()
2468 		memcpy(page_address(store.sb_page),  in __bitmap_resize()
2473 	bitmap->storage = store;  in __bitmap_resize()