---
title: breakUpRequest
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioblockstoragedriver/1436348-breakuprequest
---

# breakUpRequest

## Declaration

```occ
virtual void breakUpRequest(UInt64 byteStart, IOMemoryDescriptor *buffer, IOStorageAttributes *attributes, IOStorageCompletion *completion, Context *context);
```