tree e31bee7a5001efdd40ed568151d5fdfa8b1a746a
parent 7598909e3ee2a08726276d6415b69dadb52d0d76
author Jens Axboe <jens.axboe@oracle.com> 1232704484 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1233315278 +0100

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>