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

ARGUMENTS 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 Kernel Hackers Manual 2.6. November 2011 BLK_ADD_TRACE_RQ_REM(9)