Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [PATCH] blk-throttle: don't check whether or not lower limit is valid if CONFIG_BLK_DEV_THROTTLING_LOW is off | From | Jens Axboe <> | Date | Wed, 2 Dec 2020 12:44:38 -0700 |
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On 11/25/20 8:18 PM, Yu Kuai wrote: > blk_throtl_update_limit_valid() will search for descendants to see if > 'LIMIT_LOW' of bps/iops and READ/WRITE is nonzero. However, they're always > zero if CONFIG_BLK_DEV_THROTTLING_LOW is not set, furthermore, a lot of > time will be wasted to iterate descendants. > > Thus do nothing in blk_throtl_update_limit_valid() in such situation.
Applied, thanks.
-- Jens Axboe
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