<!--
{
  "availability" : [
    "macOS: 15.4.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "FSKit",
  "identifier" : "/documentation/FSKit/FSBlockmapFlags",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "FSKit"
    ],
    "preciseIdentifier" : "c:@E@FSBlockmapFlags"
  },
  "title" : "FSBlockmapFlags"
}
-->

# FSBlockmapFlags

Flags that describe the behavior of a blockmap operation.

```
struct FSBlockmapFlags
```

## Overview

This type is an option set in Swift.
In Objective-C, you use the cases of this enumeration to create a bit field.

## Topics

### Declaring block map behaviors

[`read`](/documentation/FSKit/FSBlockmapFlags/read)

A flag that describes a read operation.

[`write`](/documentation/FSKit/FSBlockmapFlags/write)

A flag that describes a write operation.

### Working with raw values

[`init(rawValue:)`](/documentation/FSKit/FSBlockmapFlags/init(rawValue:))



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)