linux-kernel - [PATCH 2/8] net: ipv4: convert tasklets to use new tasklet

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Message-Id: <20200817085120.24894-2-allen.cryptic@gmail.com>
Date:   Mon, 17 Aug 2020 14:21:14 +0530
From:   Allen Pais <allen.cryptic@...il.com>
To:     gerrit@....abdn.ac.uk, davem@...emloft.net, kuba@...nel.org,
        edumazet@...gle.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        johannes@...solutions.net, alex.aring@...il.com,
        stefan@...enfreihafen.org, santosh.shilimkar@...cle.com,
        jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us
Cc:     keescook@...omium.org, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-wpan@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-s390@...r.kernel.org, Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH 2/8] net: ipv4: convert tasklets to use new tasklet_setup() API

From: Allen Pais <allen.lkml@...il.com>

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <allen.lkml@...il.com>
---
 net/ipv4/tcp_output.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 85ff417bda7f..6afad9b407a1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -883,9 +883,9 @@ static void tcp_tsq_handler(struct sock *sk)
  * transferring tsq->head because tcp_wfree() might
  * interrupt us (non NAPI drivers)
  */
-static void tcp_tasklet_func(unsigned long data)
+static void tcp_tasklet_func(struct tasklet_struct *t)
 {
-	struct tsq_tasklet *tsq = (struct tsq_tasklet *)data;
+	struct tsq_tasklet *tsq = from_tasklet(tsq,  t, tasklet);
 	LIST_HEAD(list);
 	unsigned long flags;
 	struct list_head *q, *n;
@@ -970,9 +970,7 @@ void __init tcp_tasklet_init(void)
 		struct tsq_tasklet *tsq = &per_cpu(tsq_tasklet, i);
 
 		INIT_LIST_HEAD(&tsq->head);
-		tasklet_init(&tsq->tasklet,
-			     tcp_tasklet_func,
-			     (unsigned long)tsq);
+		tasklet_setup(&tsq->tasklet, tcp_tasklet_func);
 	}
 }
 
-- 
2.17.1