1TRACE_BLOCK_RQ_REMAP(9) Block IO TRACE_BLOCK_RQ_REMAP(9)
2
3
4
6 trace_block_rq_remap - map request for a block operation request
7
9 void trace_block_rq_remap(struct request_queue * q,
10 struct request * rq, dev_t dev,
11 sector_t from);
12
14 q
15 queue holding the operation
16
17 rq
18 block IO operation request
19
20 dev
21 device for the operation
22
23 from
24 original sector for the operation
25
27 The block operation request rq in q has been remapped. The block
28 operation request rq holds the current information and from hold the
29 original sector.
30
32 Jason Baron <jbaron@redhat.com>
33 Author.
34
35 William Cohen <wcohen@redhat.com>
36 Author.
37
39Kernel Hackers Manual 3.10 June 2019 TRACE_BLOCK_RQ_REMAP(9)