[PATCH 5/8] net: rds: convert tasklets to use new tasklet_setup() API

From: Allen Pais
Date: Mon Aug 17 2020 - 04:52:23 EST


From: Allen Pais <allen.lkml@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Allen Pais <allen.lkml@xxxxxxxxx>
---
net/rds/ib_cm.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index c3319ff3ee11..2e8872d51fa8 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -314,9 +314,9 @@ static void poll_scq(struct rds_ib_connection *ic, struct ib_cq *cq,
}
}

-static void rds_ib_tasklet_fn_send(unsigned long data)
+static void rds_ib_tasklet_fn_send(struct tasklet_struct *t)
{
- struct rds_ib_connection *ic = (struct rds_ib_connection *)data;
+ struct rds_ib_connection *ic = from_tasklet(ic, t, i_send_tasklet);
struct rds_connection *conn = ic->conn;

rds_ib_stats_inc(s_ib_tasklet_call);
@@ -354,9 +354,9 @@ static void poll_rcq(struct rds_ib_connection *ic, struct ib_cq *cq,
}
}

-static void rds_ib_tasklet_fn_recv(unsigned long data)
+static void rds_ib_tasklet_fn_recv(struct tasklet_struct *t)
{
- struct rds_ib_connection *ic = (struct rds_ib_connection *)data;
+ struct rds_ib_connection *ic = from_tasklet(ic, t, i_recv_tasklet);
struct rds_connection *conn = ic->conn;
struct rds_ib_device *rds_ibdev = ic->rds_ibdev;
struct rds_ib_ack_state state;
@@ -1218,10 +1218,8 @@ int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)
}

INIT_LIST_HEAD(&ic->ib_node);
- tasklet_init(&ic->i_send_tasklet, rds_ib_tasklet_fn_send,
- (unsigned long)ic);
- tasklet_init(&ic->i_recv_tasklet, rds_ib_tasklet_fn_recv,
- (unsigned long)ic);
+ tasklet_setup(&ic->i_send_tasklet, rds_ib_tasklet_fn_send);
+ tasklet_setup(&ic->i_recv_tasklet, rds_ib_tasklet_fn_recv);
mutex_init(&ic->i_recv_mutex);
#ifndef KERNEL_HAS_ATOMIC64
spin_lock_init(&ic->i_ack_lock);
--
2.17.1