git: dsched_fq - Improve performance, reduce idle time

[Alex Hornung <alexh@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 9cc004d0adee969e401440dc46fb1e39eda87a4b
Author: Alex Hornung <ahornung@gmail.com>
Date:   Wed Mar 31 01:11:29 2010 +0000

    dsched_fq - Improve performance, reduce idle time
    
    * Boost performance by dynamically adapting the rate limit on throttled
      threads if the disk becomes idle. This will ensure that the disk is
      always > 90% used if there are requests queued.

Summary of changes:
 sys/dsched/fq/dsched_fq.h         |    1 +
 sys/dsched/fq/dsched_fq_core.c    |   32 +++++++++++++++++++++++++++-----
 sys/dsched/fq/dsched_fq_diskops.c |    2 ++
 3 files changed, 30 insertions(+), 5 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/9cc004d0adee969e401440dc46fb1e39eda87a4b


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