tree 9f07b5a5edb225e495dc6ec46b5a7e7b96182fcc
parent 9e234eeafbe17e85908584392f249f0b329b8e1b
author Shaohua Li <shli@fb.com> 1490637102 -0700
committer Jens Axboe <axboe@fb.com> 1490709740 -0600

blk-throttle: add interface to configure idle time threshold

Add interface to configure the threshold. The io.low interface will
like:
echo "8:16 rbps=2097152 wbps=max idle=2000" > io.low

idle is in microsecond unit.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>