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# FSBlockmapResult

The result of a blockmap call.

```
class FSBlockmapResult
```

## Overview

Use this type in your implementation of [`blockmapFile(_:offset:length:flags:operationID:packer:replyHandler:)`](/documentation/FSKit/FSVolume/KernelOffloadedIOHandler/blockmapFile(_:offset:length:flags:operationID:packer:replyHandler:)).

## Topics

### Creating a blockmap result

[`init?(freeSpace: FSFreeSpace?)`](/documentation/FSKit/FSBlockmapResult/init(freeSpace:))

Creates a result for a blockmap operation.

[`class FSFreeSpace`](/documentation/FSKit/FSFreeSpace)

A free space object that pairs free space values with atomic sequence numbers.

## Relationships

### Conforms To

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Hashable`](/documentation/Swift/Hashable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

### Inherits From

[`FSVolumeHandlerResult`](/documentation/FSKit/FSVolumeHandlerResult)

---

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