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
Kernel Hackers Manual 4.8.                 January 2017                   BLK_ADD_TRACE_RQ_REM(9)