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authorTommi Rantala <tommi.t.rantala@nokia.com>2020-04-17 16:00:22 +0300
committerJens Axboe <axboe@kernel.dk>2020-04-17 17:21:44 +0300
commit3a89c25d98da99672414bf20a887f7f8f8768986 (patch)
tree3a56a24a92700c05395ca4634f559b111404d128 /block
parent3dceecfad68cbe6224990654dafd8edd8b71b37e (diff)
downloadlinux-3a89c25d98da99672414bf20a887f7f8f8768986.tar.xz
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>
Diffstat (limited to 'block')
-rw-r--r--block/blk-wbt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 8641ba9793c5..9cb082f38b93 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -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)