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trace_block_getrq(9) - phpMan

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TRACE_BLOCK_GETRQ(9)                         Block IO                        TRACE_BLOCK_GETRQ(9)



NAME
       trace_block_getrq - get a free request entry in queue for block IO operations

SYNOPSIS
       void trace_block_getrq(struct request_queue * q, struct bio * bio, int rw);

ARGUMENTS
       q
           queue for operations

       bio
           pending block IO operation

       rw
           low bit indicates a read (0) or a write (1)

DESCRIPTION
       A request struct for queue q has been allocated to handle the block IO operation bio.

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_GETRQ(9)


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