Scroll to navigation

BLK_ADD_TRACE_RQ_REM(9) Block Devices BLK_ADD_TRACE_RQ_REM(9)

NAME

blk_add_trace_rq_remap - Add a trace for a request-remap operation

SYNOPSIS

void blk_add_trace_rq_remap(void * ignore, struct request_queue * q, struct request * rq, dev_t dev, sector_t from);

ARGUMENTS

ignore
trace callback data parameter (not used)
q
queue the io is for
rq
the source request
dev
target device
from
source sector

DESCRIPTION

Device mapper remaps request to other devices. Add a trace for that action.

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16