blk_add_trace_bio_remap(9)

blk_add_trace_bio_remap9

Add a trace for a bio-remap operation

Usage

void blk_add_trace_bio_remap(void * ignore, struct request_queue * q, struct bio * bio, dev_t dev, sector_t from);

Arguments

ignore

trace callback data parameter (not used)

q

queue the io is for

bio

the source bio

dev

target device

from

source sector

Overview

Device mapper or raid target sometimes need to split a bio because it spans a stripe (or similar). Add a trace for that action.

Releases

3 releases since Debian 7 (Wheezy); the text changed 2 times.

  1. 7
  2. 8
  3. 9

From linux-manual-4.9 4.9.228-1 in Debian 9 (Stretch). Parsed by carta from the page's man source.