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From: Sebastian Andrzej Siewior <>
Cc: Peter Zijlstra <>,
	Ingo Molnar <>, Jens Axboe <>,,
	Sebastian Andrzej Siewior <>
Subject: [PATCH 2/2] block/ioprio: use a helper to check for RT prio
Date: Wed,  4 Oct 2017 17:49:01 +0200
Message-ID: <> (raw)
In-Reply-To: <>

A side-effect to the old code is that now SCHED_DEADLINE is also

Signed-off-by: Sebastian Andrzej Siewior <>
 include/linux/ioprio.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 8c1239020d79..c8f3f0302220 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -2,6 +2,7 @@
 #define IOPRIO_H
 #include <linux/sched.h>
+#include <linux/sched/rt.h>
 #include <linux/iocontext.h>
@@ -62,7 +63,7 @@ static inline int task_nice_ioclass(struct task_struct *task)
 	if (task->policy == SCHED_IDLE)
-	else if (task->policy == SCHED_FIFO || task->policy == SCHED_RR)
+	else if (task_is_elevated(task))
 		return IOPRIO_CLASS_RT;
 		return IOPRIO_CLASS_BE;

  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-04 15:49 [PATCH 1/2] sched/rt: Add a helper to test for a RT task Sebastian Andrzej Siewior
2017-10-04 15:49 ` Sebastian Andrzej Siewior [this message]
2017-10-10 11:01   ` [tip:sched/core] block/ioprio: Use a helper to check for RT prio tip-bot for Sebastian Andrzej Siewior
2017-10-06  8:19 ` [PATCH 1/2] sched/rt: Add a helper to test for a RT task Peter Zijlstra
2017-10-06  8:51   ` Sebastian Andrzej Siewior
2017-10-10 11:01 ` [tip:sched/core] " tip-bot for Sebastian Andrzej Siewior

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