55 struct backed_block* backed_block_iter_new(struct backed_block_list* bbl) {  in backed_block_iter_new()  argument
56   return bbl->data_blocks;  in backed_block_iter_new()
119 void backed_block_list_destroy(struct backed_block_list* bbl) {  in backed_block_list_destroy()  argument
120   if (bbl->data_blocks) {  in backed_block_list_destroy()
121     struct backed_block* bb = bbl->data_blocks;  in backed_block_list_destroy()
129   free(bbl);  in backed_block_list_destroy()
177 static int merge_bb(struct backed_block_list* bbl, struct backed_block* a, struct backed_block* b) {  in merge_bb()  argument
193   block_len = a->len / bbl->block_size; /* rounds down */  in merge_bb()
230 static int queue_bb(struct backed_block_list* bbl, struct backed_block* new_bb) {  in queue_bb()  argument
233   if (bbl->data_blocks == nullptr) {  in queue_bb()
234     bbl->data_blocks = new_bb;  in queue_bb()
238   if (bbl->data_blocks->block > new_bb->block) {  in queue_bb()
239     new_bb->next = bbl->data_blocks;  in queue_bb()
240     bbl->data_blocks = new_bb;  in queue_bb()
247   if (bbl->last_used && new_bb->block > bbl->last_used->block)  in queue_bb()
248     bb = bbl->last_used;  in queue_bb()
250     bb = bbl->data_blocks;  in queue_bb()
251   bbl->last_used = new_bb;  in queue_bb()
263   merge_bb(bbl, new_bb, new_bb->next);  in queue_bb()
264   if (!merge_bb(bbl, bb, new_bb)) {  in queue_bb()
266     bbl->last_used = bb;  in queue_bb()
273 int backed_block_add_fill(struct backed_block_list* bbl, unsigned int fill_val, unsigned int len,  in backed_block_add_fill()  argument
286   return queue_bb(bbl, bb);  in backed_block_add_fill()
290 int backed_block_add_data(struct backed_block_list* bbl, void* data, unsigned int len,  in backed_block_add_data()  argument
303   return queue_bb(bbl, bb);  in backed_block_add_data()
307 int backed_block_add_file(struct backed_block_list* bbl, const char* filename, int64_t offset,  in backed_block_add_file()  argument
321   return queue_bb(bbl, bb);  in backed_block_add_file()
325 int backed_block_add_fd(struct backed_block_list* bbl, int fd, int64_t offset, unsigned int len,  in backed_block_add_fd()  argument
339   return queue_bb(bbl, bb);  in backed_block_add_fd()
342 int backed_block_split(struct backed_block_list* bbl, struct backed_block* bb,  in backed_block_split()  argument
346   max_len = ALIGN_DOWN(max_len, bbl->block_size);  in backed_block_split()
360   new_bb->block = bb->block + max_len / bbl->block_size;  in backed_block_split()