kernel/device_manager/IOCache.cpp

243 		off_t lineOffset = (offset >> fLineSizeShift) << fLineSizeShift;
246 		off_t cacheLineEnd = std::min(lineOffset + (off_t)fLineSize, fDeviceCapacity);
251 		status_t error = _TransferRequestLine(request, lineOffset,
252 			cacheLineEnd - lineOffset, offset, requestLineLength);
266 IOCache::_TransferRequestLine(IORequest* request, off_t lineOffset,
270 		", %" B_PRIdOFF  ", %" B_PRIuSIZE ")\n", this, request, lineOffset,
274 	page_num_t firstPageOffset = lineOffset / B_PAGE_SIZE;
332 			return _TransferRequestLineUncached(request, lineOffset,
393 				return _TransferRequestLineUncached(request, lineOffset,
401 		status_t error = _CopyPages(request, requestOffset - lineOffset,
408 	status_t error = _CopyPages(request, requestOffset - lineOffset,
416 	page_num_t firstPage = (requestOffset - lineOffset) / B_PAGE_SIZE;
417 	page_num_t endPage = (requestOffset + requestLength - lineOffset
432 IOCache::_TransferRequestLineUncached(IORequest* request, off_t lineOffset,
436 		", %" B_PRIdOFF  ", %" B_PRIuSIZE ")\n", this, request, lineOffset,