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authorJens Axboe <jens.axboe@oracle.com>2009-01-23 10:54:44 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-01-30 12:34:38 +0100
commitbc58ba9468d94d62c56ab9b47173583ec140b165 (patch)
treee31bee7a5001efdd40ed568151d5fdfa8b1a746a /block/cfq-iosched.c
parent7598909e3ee2a08726276d6415b69dadb52d0d76 (diff)
block: add sysfs file for controlling io stats accounting
This allows us to turn off disk stat accounting completely, for the cases where the 0.5-1% reduction in system time is important. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/cfq-iosched.c')
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