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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@redhat.com>
Author.
William Cohen <wcohen@redhat.com>
Author.

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16