---
name: "trace_block_bio_frontmerge"
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_bio_frontmerge"
---

# trace\_block\_bio\_frontmerge(9)

merging block operation to the beginning of an existing operation

## NAME

trace\_block\_bio\_frontmerge - merging block operation to the beginning of an existing operation

## SYNOPSIS

**void trace\_block\_bio\_frontmerge(struct request\_queue \*** *q***, struct request \*** *rq***, struct bio \*** *bio***);**

## ARGUMENTS

*q*

queue holding operation

*rq*

request bio is being merged into

*bio*

new block operation to merge

## DESCRIPTION

Merging block IO operation *bio* to the beginning of an existing block operation in queue *q*.

## AUTHORS

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

Author.

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

Author.

## COPYRIGHT