32 	struct sparse_file *s = calloc(sizeof(struct sparse_file), 1);  in sparse_file_new()  local
33 	if (!s) {  in sparse_file_new()
37 	s->backed_block_list = backed_block_list_new(block_size);  in sparse_file_new()
38 	if (!s->backed_block_list) {  in sparse_file_new()
39 		free(s);  in sparse_file_new()
43 	s->block_size = block_size;  in sparse_file_new()
44 	s->len = len;  in sparse_file_new()
46 	return s;  in sparse_file_new()
49 void sparse_file_destroy(struct sparse_file *s)  in sparse_file_destroy()  argument
51 	backed_block_list_destroy(s->backed_block_list);  in sparse_file_destroy()
52 	free(s);  in sparse_file_destroy()
55 int sparse_file_add_data(struct sparse_file *s,  in sparse_file_add_data()  argument
58 	return backed_block_add_data(s->backed_block_list, data, len, block);  in sparse_file_add_data()
61 int sparse_file_add_fill(struct sparse_file *s,  in sparse_file_add_fill()  argument
64 	return backed_block_add_fill(s->backed_block_list, fill_val, len, block);  in sparse_file_add_fill()
67 int sparse_file_add_file(struct sparse_file *s,  in sparse_file_add_file()  argument
71 	return backed_block_add_file(s->backed_block_list, filename, file_offset,  in sparse_file_add_file()
75 int sparse_file_add_fd(struct sparse_file *s,  in sparse_file_add_fd()  argument
78 	return backed_block_add_fd(s->backed_block_list, fd, file_offset,  in sparse_file_add_fd()
81 unsigned int sparse_count_chunks(struct sparse_file *s)  in sparse_count_chunks()  argument
87 	for (bb = backed_block_iter_new(s->backed_block_list); bb;  in sparse_count_chunks()
95 				DIV_ROUND_UP(backed_block_len(bb), s->block_size);  in sparse_count_chunks()
97 	if (last_block < DIV_ROUND_UP(s->len, s->block_size)) {  in sparse_count_chunks()
132 static int write_all_blocks(struct sparse_file *s, struct output_file *out)  in write_all_blocks()  argument
139 	for (bb = backed_block_iter_new(s->backed_block_list); bb;  in write_all_blocks()
143 			write_skip_chunk(out, (int64_t)blocks * s->block_size);  in write_all_blocks()
149 				DIV_ROUND_UP(backed_block_len(bb), s->block_size);  in write_all_blocks()
152 	pad = s->len - (int64_t)last_block * s->block_size;  in write_all_blocks()
161 int sparse_file_write(struct sparse_file *s, int fd, bool gz, bool sparse,  in sparse_file_write()  argument
168 	chunks = sparse_count_chunks(s);  in sparse_file_write()
169 	out = output_file_open_fd(fd, s->block_size, s->len, gz, sparse, chunks, crc);  in sparse_file_write()
174 	ret = write_all_blocks(s, out);  in sparse_file_write()
181 int sparse_file_callback(struct sparse_file *s, bool sparse, bool crc,  in sparse_file_callback()  argument
188 	chunks = sparse_count_chunks(s);  in sparse_file_callback()
189 	out = output_file_open_callback(write, priv, s->block_size, s->len, false,  in sparse_file_callback()
195 	ret = write_all_blocks(s, out);  in sparse_file_callback()
209 int64_t sparse_file_len(struct sparse_file *s, bool sparse, bool crc)  in sparse_file_len()  argument
212 	int chunks = sparse_count_chunks(s);  in sparse_file_len()
217 			s->block_size, s->len, false, sparse, chunks, crc);  in sparse_file_len()
222 	ret = write_all_blocks(s, out);  in sparse_file_len()
304 	struct sparse_file *s;  in sparse_file_resparse()  local
314 		s = sparse_file_new(in_s->block_size, in_s->len);  in sparse_file_resparse()
316 		bb = move_chunks_up_to_len(in_s, s, max_len);  in sparse_file_resparse()
319 			out_s[c] = s;  in sparse_file_resparse()
321 			backed_block_list_move(s->backed_block_list, tmp->backed_block_list,  in sparse_file_resparse()
323 			sparse_file_destroy(s);  in sparse_file_resparse()
336 void sparse_file_verbose(struct sparse_file *s)  in sparse_file_verbose()  argument
338 	s->verbose = true;  in sparse_file_verbose()