TRACE_BLOCK_RQ_REMAP

Section: Block IO (9)
Updated: February 2011
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NAME

trace_block_rq_remap - map request for a block operation request  

SYNOPSIS

void trace_block_rq_remap(struct request_queue * q, struct request * rq, dev_t dev, sector_t from);
 

ARGUMENTS

q

queue holding the operation

rq

block IO operation request

dev

device for the operation

from

original sector for the operation
 

DESCRIPTION

The block operation request rq in q has been remapped. The block operation request rq holds the current information and from hold the original sector.  

AUTHORS

Jason Baron <jbaron@redhat.com>

Author.

William Cohen <wcohen@redhat.com>

Author.
 

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