---
title: WriteSameUnmap
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioscsiblockcommandsdevice/1792149-writesameunmap
---

# WriteSameUnmap

## Declaration

```occ
IOReturn WriteSameUnmap(IOBlockStorageDeviceExtent *extents, UInt32 extentsCount, UInt32 requestBlockSize);
```