kernel/cache/file_map.cpp

53 struct file_extent {
59 	file_extent*	array;
79 			file_extent*	ExtentAt(uint32 index);
88 			file_extent*	_FindExtent(off_t offset, uint32* _index);
97 		file_extent	fDirect[CACHED_FILE_EXTENTS];
143 file_extent*
156 file_extent*
164 		file_extent* extent = ExtentAt(index);
192 			file_extent *array = fIndirect.array;
193 			memcpy(fDirect, array, sizeof(file_extent) * count);
198 		file_extent* oldArray = NULL;
214 			file_extent* newArray = (file_extent *)realloc(oldArray,
215 				maxCount * sizeof(file_extent));
220 				memcpy(newArray, fDirect, sizeof(file_extent) * fCount);
244 	file_extent* lastExtent = NULL;
270 		file_extent* extent = ExtentAt(start++);
280 		file_extent* extent = ExtentAt(i);
295 	file_extent* extent = _FindExtent(offset, &index);
352 	file_extent* lastExtent = NULL;
442 	file_extent* fileExtent = _FindExtent(offset, &index);
516 		file_extent* extent = map->ExtentAt(i);
554 			file_extent* extent = map->ExtentAt(map->Count() - 1);