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other versions
| 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¶
void * ignore
trace callback data parameter (not used)
struct request_queue * q
queue the io is for
struct request * rq
the source request
dev_t dev
target device
sector_t from
source sector
DESCRIPTION¶
Device mapper remaps request to other devices. Add a trace for that action.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |