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| 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¶
| March 2017 | Kernel Hackers Manual 4.10 |