Commit 3a89c25d authored by Tommi Rantala's avatar Tommi Rantala Committed by Jens Axboe
Browse files

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: default avatarTommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3dceecfa

block/blk-wbt.c

+2 −2
Original line number Diff line number Diff line
@@ -313,7 +313,7 @@ static void scale_up(struct rq_wb *rwb) 
	calc_wb_limits(rwb);

	rwb->unknown_cnt = 0;

	rwb_wake_all(rwb);

	rwb_trace_step(rwb, "scale up");

	rwb_trace_step(rwb, tracepoint_string("scale up"));

}



static void scale_down(struct rq_wb *rwb, bool hard_throttle)
@@ -322,7 +322,7 @@ static void scale_down(struct rq_wb *rwb, bool hard_throttle) 
		return;

	calc_wb_limits(rwb);

	rwb->unknown_cnt = 0;

	rwb_trace_step(rwb, "scale down");

	rwb_trace_step(rwb, tracepoint_string("scale down"));

}



static void rwb_arm_timer(struct rq_wb *rwb)