fs/udf/balloc.c

245 	int block_group, group_start;
261 	group_start = block_group ? 0 : sizeof(struct spaceBitmapDesc);
267 	ptr = memscan((char *)bh->b_data + group_start, 0xFF,
268 		      sb->s_blocksize - group_start);
300 		group_start = block_group ? 0 : sizeof(struct spaceBitmapDesc);
307 			ptr = memscan((char *)bh->b_data + group_start, 0xFF,
308 				      sb->s_blocksize - group_start);
316 						    group_start << 3);
329 					    group_start << 3);
337 	while (i < 7 && bit > (group_start << 3) &&