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blk-wbt: Cleanup a comment in wb_timer_fn
The original comment contains a grammatical error. Rewrite it into a more easily understandable sentence. Signed-off-by: Tang Yizhou <yizhou.tang@shopee.com> Link: https://lore.kernel.org/r/20250213100611.209997-3-yizhou.tang@shopee.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -447,9 +447,9 @@ static void wb_timer_fn(struct blk_stat_callback *cb)
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break;
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case LAT_UNKNOWN_WRITES:
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/*
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* We started a the center step, but don't have a valid
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* read/write sample, but we do have writes going on.
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* Allow step to go negative, to increase write perf.
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* We don't have a valid read/write sample, but we do have
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* writes going on. Allow step to go negative, to increase
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* write performance.
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*/
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scale_up(rwb);
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break;
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