blk-wbt: Use tracepoint_string() for wbt_step tracepoint string literals
Use tracepoint_string() for string literals that are used in the wbt_step tracepoint, so that userspace tools can display the string content. Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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3dceecfad6
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3a89c25d98
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@ -313,7 +313,7 @@ static void scale_up(struct rq_wb *rwb)
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calc_wb_limits(rwb);
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rwb->unknown_cnt = 0;
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rwb_wake_all(rwb);
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rwb_trace_step(rwb, "scale up");
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rwb_trace_step(rwb, tracepoint_string("scale up"));
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}
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static void scale_down(struct rq_wb *rwb, bool hard_throttle)
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@ -322,7 +322,7 @@ static void scale_down(struct rq_wb *rwb, bool hard_throttle)
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return;
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calc_wb_limits(rwb);
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rwb->unknown_cnt = 0;
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rwb_trace_step(rwb, "scale down");
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rwb_trace_step(rwb, tracepoint_string("scale down"));
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}
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static void rwb_arm_timer(struct rq_wb *rwb)
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