TRACE_BLOCK_RQ_INSER(9)                      Block IO                     TRACE_BLOCK_RQ_INSER(9)



NAME
       trace_block_rq_insert - insert block operation request into queue

SYNOPSIS
       void trace_block_rq_insert(struct request_queue * q, struct request * rq);

ARGUMENTS
       q
           target queue

       rq
           block IO operation request

DESCRIPTION
       Called immediately before block operation request rq is inserted into queue q. The fields
       in the operation request rq struct can be examined to determine which device and sectors
       the pending operation would access.

AUTHORS
       Jason Baron <jbaron AT redhat.com>
           Author.

       William Cohen <wcohen AT redhat.com>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   TRACE_BLOCK_RQ_INSER(9)