trace_block_plug(9) - phpMan
TRACE_BLOCK_PLUG(9) Block IO TRACE_BLOCK_PLUG(9)
NAME
trace_block_plug - keep operations requests in request queue
SYNOPSIS
void trace_block_plug(struct request_queue * q);
ARGUMENTS
q
request queue to plug
DESCRIPTION
Plug the request queue q. Do not allow block operation requests to be sent to the device
driver. Instead, accumulate requests in the queue to improve throughput performance of the
block device.
AUTHORS
Jason Baron <jbaron AT redhat.com>
Author.
William Cohen <wcohen AT redhat.com>
Author.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 TRACE_BLOCK_PLUG(9)
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