trace_block_getrq(9) centos man page | unix.com

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@redhat.com>
	   Author.

       William Cohen <wcohen@redhat.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      TRACE_BLOCK_GETRQ(9)