trace_block_getrq(9) 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 <[email protected]>

Author.

William Cohen <[email protected]>

Author.

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