netdev - [PATCH net-next v4 07/10] net: sched: pie: fix commenting

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Date:   Tue, 21 Jan 2020 19:42:46 +0530
From:   gautamramk@...il.com
To:     netdev@...r.kernel.org
Cc:     "Mohit P. Tahiliani" <tahiliani@...k.edu.in>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        "David S . Miller" <davem@...emloft.net>,
        Dave Taht <dave.taht@...il.com>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Leslie Monis <lesliemonis@...il.com>,
        Gautam Ramakrishnan <gautamramk@...il.com>
Subject: [PATCH net-next v4 07/10] net: sched: pie: fix commenting

From: "Mohit P. Tahiliani" <tahiliani@...k.edu.in>

Fix punctuation and logical mistakes in the comments.
The logical mistake was that "dequeue_rate" is no longer
the default way to calculate queuing delay and is not
needed. The default way to calculate queue delay was
changed in commit cec2975f2b70 ("net: sched: pie:
enable timestamp based delay calculation").

Signed-off-by: Mohit P. Tahiliani <tahiliani@...k.edu.in>
Signed-off-by: Leslie Monis <lesliemonis@...il.com>
Signed-off-by: Gautam Ramakrishnan <gautamramk@...il.com>
---
 net/sched/sch_pie.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index 7197bcaa14ba..c0a4df01c0a0 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -248,10 +248,10 @@ static void pie_process_dequeue(struct Qdisc *sch, struct sk_buff *skb)
 		q->vars.dq_count = 0;
 	}
 
-	/* Calculate the average drain rate from this value.  If queue length
-	 * has receded to a small value viz., <= QUEUE_THRESHOLD bytes,reset
+	/* Calculate the average drain rate from this value. If queue length
+	 * has receded to a small value viz., <= QUEUE_THRESHOLD bytes, reset
 	 * the dq_count to -1 as we don't have enough packets to calculate the
-	 * drain rate anymore The following if block is entered only when we
+	 * drain rate anymore. The following if block is entered only when we
 	 * have a substantial queue built up (QUEUE_THRESHOLD bytes or more)
 	 * and we calculate the drain rate for the threshold here.  dq_count is
 	 * in bytes, time difference in psched_time, hence rate is in
@@ -329,8 +329,8 @@ static void calculate_probability(struct Qdisc *sch)
 		qdelay_old = q->vars.qdelay_old;
 	}
 
-	/* If qdelay is zero and qlen is not, it means qlen is very small, less
-	 * than dequeue_rate, so we do not update probabilty in this round
+	/* If qdelay is zero and qlen is not, it means qlen is very small,
+	 * so we do not update probabilty in this round.
 	 */
 	if (qdelay == 0 && qlen != 0)
 		update_prob = false;
-- 
2.17.1