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)
