[PATCHv5 for-next 15/19] block/rnbd-srv: Remove unused arguments of rnbd_srv_rdma_ev

Gioh Kim
2021-04-19T07:38:05Z

From: Gioh Kim <gi-oh.kim@cloud.ionos.com>

struct rtrs_srv is not used when handling rnbd_srv_rdma_ev messages, so
cleaned up
rdma_ev function pointer in rtrs_srv_ops also is changed.

Cc: Leon Romanovsky <leonro@nvidia.com>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Aleksei Marov <aleksei.marov@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/block/rnbd/rnbd-srv.c | 39 ++++++++++----------------
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 4 +--
drivers/infiniband/ulp/rtrs/rtrs.h | 3 +-
3 files changed, 18 insertions(+), 28 deletions(-)

diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index a9bb414f7442..abacd9ef10d6 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -114,8 +114,7 @@ rnbd_get_sess_dev(int dev_id, struct rnbd_srv_session *srv_sess)
return sess_dev;
}

-static int process_rdma(struct rtrs_srv *sess,
- struct rnbd_srv_session *srv_sess,
+static int process_rdma(struct rnbd_srv_session *srv_sess,
struct rtrs_srv_op *id, void *data, u32 datalen,
const void *usr, size_t usrlen)
{
@@ -344,8 +343,7 @@ void rnbd_srv_sess_dev_force_close(struct rnbd_srv_sess_dev *sess_dev,
mutex_unlock(&sess->lock);
}

-static int process_msg_close(struct rtrs_srv *rtrs,
- struct rnbd_srv_session *srv_sess,
+static int process_msg_close(struct rnbd_srv_session *srv_sess,
void *data, size_t datalen, const void *usr,
size_t usrlen)
{
@@ -364,20 +362,18 @@ static int process_msg_close(struct rtrs_srv *rtrs,
return 0;
}

-static int process_msg_open(struct rtrs_srv *rtrs,
- struct rnbd_srv_session *srv_sess,
+static int process_msg_open(struct rnbd_srv_session *srv_sess,
const void *msg, size_t len,
void *data, size_t datalen);

-static int process_msg_sess_info(struct rtrs_srv *rtrs,
- struct rnbd_srv_session *srv_sess,
+static int process_msg_sess_info(struct rnbd_srv_session *srv_sess,
const void *msg, size_t len,
void *data, size_t datalen);

-static int rnbd_srv_rdma_ev(struct rtrs_srv *rtrs, void *priv,
- struct rtrs_srv_op *id, int dir,
- void *data, size_t datalen, const void *usr,
- size_t usrlen)
+static int rnbd_srv_rdma_ev(void *priv,
+ struct rtrs_srv_op *id, int dir,
+ void *data, size_t datalen, const void *usr,
+ size_t usrlen)
{
struct rnbd_srv_session *srv_sess = priv;
const struct rnbd_msg_hdr *hdr = usr;
@@ -391,19 +387,16 @@ static int rnbd_srv_rdma_ev(struct rtrs_srv *rtrs, void *priv,

switch (type) {
case RNBD_MSG_IO:
- return process_rdma(rtrs, srv_sess, id, data, datalen, usr,
- usrlen);
+ return process_rdma(srv_sess, id, data, datalen, usr, usrlen);
case RNBD_MSG_CLOSE:
- ret = process_msg_close(rtrs, srv_sess, data, datalen,
- usr, usrlen);
+ ret = process_msg_close(srv_sess, data, datalen, usr, usrlen);
break;
case RNBD_MSG_OPEN:
- ret = process_msg_open(rtrs, srv_sess, usr, usrlen,
- data, datalen);
+ ret = process_msg_open(srv_sess, usr, usrlen, data, datalen);
break;
case RNBD_MSG_SESS_INFO:
- ret = process_msg_sess_info(rtrs, srv_sess, usr, usrlen,
- data, datalen);
+ ret = process_msg_sess_info(srv_sess, usr, usrlen, data,
+ datalen);
break;
default:
pr_warn("Received unexpected message type %d with dir %d from session %s\n",
@@ -656,8 +649,7 @@ static char *rnbd_srv_get_full_path(struct rnbd_srv_session *srv_sess,
return full_path;
}

-static int process_msg_sess_info(struct rtrs_srv *rtrs,
- struct rnbd_srv_session *srv_sess,
+static int process_msg_sess_info(struct rnbd_srv_session *srv_sess,
const void *msg, size_t len,
void *data, size_t datalen)
{
@@ -698,8 +690,7 @@ find_srv_sess_dev(struct rnbd_srv_session *srv_sess, const char *dev_name)
return NULL;
}

-static int process_msg_open(struct rtrs_srv *rtrs,
- struct rnbd_srv_session *srv_sess,
+static int process_msg_open(struct rnbd_srv_session *srv_sess,
const void *msg, size_t len,
void *data, size_t datalen)
{
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index d071809e3ed2..f7aa2a7e7442 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -998,7 +998,7 @@ static void process_read(struct rtrs_srv_con *con,
usr_len = le16_to_cpu(msg->usr_len);
data_len = off - usr_len;
data = page_address(srv->chunks[buf_id]);
- ret = ctx->ops.rdma_ev(srv, srv->priv, id, READ, data, data_len,
+ ret = ctx->ops.rdma_ev(srv->priv, id, READ, data, data_len,
data + data_len, usr_len);

if (unlikely(ret)) {
@@ -1051,7 +1051,7 @@ static void process_write(struct rtrs_srv_con *con,
usr_len = le16_to_cpu(req->usr_len);
data_len = off - usr_len;
data = page_address(srv->chunks[buf_id]);
- ret = ctx->ops.rdma_ev(srv, srv->priv, id, WRITE, data, data_len,
+ ret = ctx->ops.rdma_ev(srv->priv, id, WRITE, data, data_len,
data + data_len, usr_len);
if (unlikely(ret)) {
rtrs_err_rl(s,
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.h b/drivers/infiniband/ulp/rtrs/rtrs.h
index f891fbe7abe6..b0f56ffeff88 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs.h
@@ -139,7 +139,6 @@ struct rtrs_srv_ops {
* message for the data transfer will be sent to
* the client.

- * @sess: Session
* @priv: Private data set by rtrs_srv_set_sess_priv()
* @id: internal RTRS operation id
* @dir: READ/WRITE
@@ -153,7 +152,7 @@ struct rtrs_srv_ops {
* @usr: The extra user message sent by the client (%vec)
* @usrlen: Size of the user message
*/
- int (*rdma_ev)(struct rtrs_srv *sess, void *priv,
+ int (*rdma_ev)(void *priv,
struct rtrs_srv_op *id, int dir,
void *data, size_t datalen, const void *usr,
size_t usrlen);
--
2.25.1