[PATCH 7/8] net: smc: convert tasklets to use new tasklet_setup() API

From: Allen Pais
Date: Mon Aug 17 2020 - 04:52:45 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/smc/smc_cdc.c | 6 +++---
net/smc/smc_wr.c | 14 ++++++--------
2 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index ce468ff62a19..5db2166197d3 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -389,9 +389,9 @@ static void smc_cdc_msg_recv(struct smc_sock *smc, struct smc_cdc_msg *cdc)
* Context:
* - tasklet context
*/
-static void smcd_cdc_rx_tsklet(unsigned long data)
+static void smcd_cdc_rx_tsklet(struct tasklet_struct *t)
{
- struct smc_connection *conn = (struct smc_connection *)data;
+ struct smc_connection *conn = from_tasklet(conn, t, rx_tsklet);
struct smcd_cdc_msg *data_cdc;
struct smcd_cdc_msg cdc;
struct smc_sock *smc;
@@ -411,7 +411,7 @@ static void smcd_cdc_rx_tsklet(unsigned long data)
*/
void smcd_cdc_rx_init(struct smc_connection *conn)
{
- tasklet_init(&conn->rx_tsklet, smcd_cdc_rx_tsklet, (unsigned long)conn);
+ tasklet_setup(&conn->rx_tsklet, smcd_cdc_rx_tsklet);
}

/***************************** init, exit, misc ******************************/
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 1e23cdd41eb1..cbc73a7e4d59 100644
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -131,9 +131,9 @@ static inline void smc_wr_tx_process_cqe(struct ib_wc *wc)
wake_up(&link->wr_tx_wait);
}

-static void smc_wr_tx_tasklet_fn(unsigned long data)
+static void smc_wr_tx_tasklet_fn(struct tasklet_struct *t)
{
- struct smc_ib_device *dev = (struct smc_ib_device *)data;
+ struct smc_ib_device *dev = from_tasklet(dev, t, send_tasklet);
struct ib_wc wc[SMC_WR_MAX_POLL_CQE];
int i = 0, rc;
int polled = 0;
@@ -435,9 +435,9 @@ static inline void smc_wr_rx_process_cqes(struct ib_wc wc[], int num)
}
}

-static void smc_wr_rx_tasklet_fn(unsigned long data)
+static void smc_wr_rx_tasklet_fn(struct tasklet_struct *t)
{
- struct smc_ib_device *dev = (struct smc_ib_device *)data;
+ struct smc_ib_device *dev = from_tasklet(dev, t, recv_tasklet);
struct ib_wc wc[SMC_WR_MAX_POLL_CQE];
int polled = 0;
int rc;
@@ -698,10 +698,8 @@ void smc_wr_remove_dev(struct smc_ib_device *smcibdev)

void smc_wr_add_dev(struct smc_ib_device *smcibdev)
{
- tasklet_init(&smcibdev->recv_tasklet, smc_wr_rx_tasklet_fn,
- (unsigned long)smcibdev);
- tasklet_init(&smcibdev->send_tasklet, smc_wr_tx_tasklet_fn,
- (unsigned long)smcibdev);
+ tasklet_setup(&smcibdev->recv_tasklet, smc_wr_rx_tasklet_fn);
+ tasklet_setup(&smcibdev->send_tasklet, smc_wr_tx_tasklet_fn);
}

int smc_wr_create_link(struct smc_link *lnk)
--
2.17.1