blk_add_trace_remap

Langue: en

Autres versions - même langue

Version: May 2009 (fedora - 06/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

blk_add_trace_remap - Add a trace for a remap operation

SYNOPSIS

void blk_add_trace_remap(struct request_queue * q, struct bio * bio, dev_t dev, sector_t from, sector_t to);

ARGUMENTS

q

queue the io is for

bio

the source bio

dev

target device

from

source sector

to

target sector

DESCRIPTION

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