---
name: "blk_trace_ioctl"
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_trace_ioctl"
---

# blk\_trace\_ioctl(9)

handle the ioctls associated with tracing

## NAME

blk\_trace\_ioctl - handle the ioctls associated with tracing

## SYNOPSIS

**int blk\_trace\_ioctl(struct block\_device \*** *bdev***, unsigned** *cmd***, char \_\_user \*** *arg***);**

## ARGUMENTS

*bdev*

the block device

*cmd*

the ioctl cmd

*arg*

the argument data, if any

## COPYRIGHT