---
name: "blk_queue_bypass_start"
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/blk_queue_bypass_start"
---

# blk\_queue\_bypass\_start(9)

enter queue bypass mode

## NAME

blk\_queue\_bypass\_start - enter queue bypass mode

## SYNOPSIS

**void blk\_queue\_bypass\_start(struct request\_queue \*** *q***);**

## ARGUMENTS

*q*

queue of interest

## DESCRIPTION

In bypass mode, only the dispatch FIFO queue of *q* is used. This function makes *q* enter bypass mode and drains all requests which were throttled or issued before. On return, it's guaranteed that no request is being throttled or has ELVPRIV set and **blk\_queue\_bypass** **true** inside queue or RCU read lock.

## COPYRIGHT