---
name: "deactivate_super"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/deactivate_super"
---

# deactivate\_super(9)

drop an active reference to superblock

## NAME

deactivate\_super - drop an active reference to superblock

## SYNOPSIS

**void deactivate\_super(struct super\_block \*** *s***);**

## ARGUMENTS

*s*

superblock to deactivate

## DESCRIPTION

Variant of **deactivate\_locked\_super**, except that superblock is \*not\* locked by caller. If we are going to drop the final active reference, lock will be acquired prior to that.

## COPYRIGHT