---
name: "trace_block_plug"
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/trace_block_plug"
---

# trace\_block\_plug(9)

keep operations requests in request queue

## NAME

trace\_block\_plug - keep operations requests in request queue

## SYNOPSIS

**void trace\_block\_plug(struct request\_queue \*** *q***);**

## ARGUMENTS

*q*

request queue to plug

## DESCRIPTION

Plug the request queue *q*. Do not allow block operation requests to be sent to the device driver. Instead, accumulate requests in the queue to improve throughput performance of the block device.

## AUTHORS

**Jason Baron** \<jbaron@redhat.com\>

Author.

**William Cohen** \<wcohen@redhat.com\>

Author.

## COPYRIGHT