RDMA/rtrs-clt: Rename rtrs_clt to rtrs_clt_sess

Structure rtrs_clt is used for sessions. So to avoid confusions rename it
to rtrs_clt_sess.

Transformations are done with the help of following coccinelle script.

@@
@@
struct
- rtrs_clt
+ rtrs_clt_sess

Link: https://lore.kernel.org/r/20220105180708.7774-6-jinpu.wang@ionos.comSigned-off-by: Vaishali Thakkar <vaishali.thakkar@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/block/rnbd/rnbd-clt.c

@@ -433,7 +433,7 @@ static void msg_conf(void *priv, int errno)
 	schedule_work(&iu->work);
 }
 
-static int send_usr_msg(struct rtrs_clt *rtrs, int dir,
+static int send_usr_msg(struct rtrs_clt_sess *rtrs, int dir,
 			struct rnbd_iu *iu, struct kvec *vec,
 			size_t len, struct scatterlist *sg, unsigned int sg_len,
 			void (*conf)(struct work_struct *work),
@@ -1010,7 +1010,7 @@ static int rnbd_client_xfer_request(struct rnbd_clt_dev *dev,
 				     struct request *rq,
 				     struct rnbd_iu *iu)
 {
-	struct rtrs_clt *rtrs = dev->sess->rtrs;
+	struct rtrs_clt_sess *rtrs = dev->sess->rtrs;
 	struct rtrs_permit *permit = iu->permit;
 	struct rnbd_msg_io msg;
 	struct rtrs_clt_req_ops req_ops;

drivers/block/rnbd/rnbd-clt.h

@@ -75,7 +75,7 @@ struct rnbd_cpu_qlist {
 
 struct rnbd_clt_session {
 	struct list_head        list;
-	struct rtrs_clt        *rtrs;
+	struct rtrs_clt_sess        *rtrs;
 	wait_queue_head_t       rtrs_waitq;
 	bool                    rtrs_ready;
 	struct rnbd_cpu_qlist	__percpu

drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c

@@ -50,7 +50,8 @@ static ssize_t max_reconnect_attempts_show(struct device *dev,
 					   struct device_attribute *attr,
 					   char *page)
 {
-	struct rtrs_clt *clt = container_of(dev, struct rtrs_clt, dev);
+	struct rtrs_clt_sess *clt = container_of(dev, struct rtrs_clt_sess,
+						 dev);
 
 	return sysfs_emit(page, "%d\n",
 			  rtrs_clt_get_max_reconnect_attempts(clt));
@@ -63,7 +64,8 @@ static ssize_t max_reconnect_attempts_store(struct device *dev,
 {
 	int value;
 	int ret;
-	struct rtrs_clt *clt  = container_of(dev, struct rtrs_clt, dev);
+	struct rtrs_clt_sess *clt  = container_of(dev, struct rtrs_clt_sess,
+						  dev);
 
 	ret = kstrtoint(buf, 10, &value);
 	if (ret) {
@@ -90,9 +92,9 @@ static ssize_t mpath_policy_show(struct device *dev,
 				 struct device_attribute *attr,
 				 char *page)
 {
-	struct rtrs_clt *clt;
+	struct rtrs_clt_sess *clt;
 
-	clt = container_of(dev, struct rtrs_clt, dev);
+	clt = container_of(dev, struct rtrs_clt_sess, dev);
 
 	switch (clt->mp_policy) {
 	case MP_POLICY_RR:
@@ -114,12 +116,12 @@ static ssize_t mpath_policy_store(struct device *dev,
 				  const char *buf,
 				  size_t count)
 {
-	struct rtrs_clt *clt;
+	struct rtrs_clt_sess *clt;
 	int value;
 	int ret;
 	size_t len = 0;
 
-	clt = container_of(dev, struct rtrs_clt, dev);
+	clt = container_of(dev, struct rtrs_clt_sess, dev);
 
 	ret = kstrtoint(buf, 10, &value);
 	if (!ret && (value == MP_POLICY_RR ||
@@ -169,12 +171,12 @@ static ssize_t add_path_store(struct device *dev,
 		.src = &srcaddr,
 		.dst = &dstaddr
 	};
-	struct rtrs_clt *clt;
+	struct rtrs_clt_sess *clt;
 	const char *nl;
 	size_t len;
 	int err;
 
-	clt = container_of(dev, struct rtrs_clt, dev);
+	clt = container_of(dev, struct rtrs_clt_sess, dev);
 
 	nl = strchr(buf, '\n');
 	if (nl)
@@ -425,7 +427,7 @@ static const struct attribute_group rtrs_clt_path_attr_group = {
 
 int rtrs_clt_create_path_files(struct rtrs_clt_path *clt_path)
 {
-	struct rtrs_clt *clt = clt_path->clt;
+	struct rtrs_clt_sess *clt = clt_path->clt;
 	char str[NAME_MAX];
 	int err;
 	struct rtrs_addr path = {
@@ -497,12 +499,12 @@ static const struct attribute_group rtrs_clt_attr_group = {
 	.attrs = rtrs_clt_attrs,
 };
 
-int rtrs_clt_create_sysfs_root_files(struct rtrs_clt *clt)
+int rtrs_clt_create_sysfs_root_files(struct rtrs_clt_sess *clt)
 {
 	return sysfs_create_group(&clt->dev.kobj, &rtrs_clt_attr_group);
 }
 
-void rtrs_clt_destroy_sysfs_root(struct rtrs_clt *clt)
+void rtrs_clt_destroy_sysfs_root(struct rtrs_clt_sess *clt)
 {
 	sysfs_remove_group(&clt->dev.kobj, &rtrs_clt_attr_group);
 

drivers/infiniband/ulp/rtrs/rtrs-clt.h

@@ -126,7 +126,7 @@ struct rtrs_rbuf {
 
 struct rtrs_clt_path {
 	struct rtrs_path	s;
-	struct rtrs_clt	*clt;
+	struct rtrs_clt_sess	*clt;
 	wait_queue_head_t	state_wq;
 	enum rtrs_clt_state	state;
 	atomic_t		connected_cnt;
@@ -153,7 +153,7 @@ struct rtrs_clt_path {
 				*mp_skip_entry;
 };
 
-struct rtrs_clt {
+struct rtrs_clt_sess {
 	struct list_head	paths_list; /* rcu protected list */
 	size_t			paths_num;
 	struct rtrs_clt_path
@@ -191,25 +191,26 @@ static inline struct rtrs_clt_path *to_clt_path(struct rtrs_path *s)
 	return container_of(s, struct rtrs_clt_path, s);
 }
 
-static inline int permit_size(struct rtrs_clt *clt)
+static inline int permit_size(struct rtrs_clt_sess *clt)
 {
 	return sizeof(struct rtrs_permit) + clt->pdu_sz;
 }
 
-static inline struct rtrs_permit *get_permit(struct rtrs_clt *clt, int idx)
+static inline struct rtrs_permit *get_permit(struct rtrs_clt_sess *clt,
+					     int idx)
 {
 	return (struct rtrs_permit *)(clt->permits + permit_size(clt) * idx);
 }
 
 int rtrs_clt_reconnect_from_sysfs(struct rtrs_clt_path *path);
 void rtrs_clt_close_conns(struct rtrs_clt_path *clt_path, bool wait);
-int rtrs_clt_create_path_from_sysfs(struct rtrs_clt *clt,
+int rtrs_clt_create_path_from_sysfs(struct rtrs_clt_sess *clt,
 				     struct rtrs_addr *addr);
 int rtrs_clt_remove_path_from_sysfs(struct rtrs_clt_path *path,
 				     const struct attribute *sysfs_self);
 
-void rtrs_clt_set_max_reconnect_attempts(struct rtrs_clt *clt, int value);
-int rtrs_clt_get_max_reconnect_attempts(const struct rtrs_clt *clt);
+void rtrs_clt_set_max_reconnect_attempts(struct rtrs_clt_sess *clt, int value);
+int rtrs_clt_get_max_reconnect_attempts(const struct rtrs_clt_sess *clt);
 void free_path(struct rtrs_clt_path *clt_path);
 
 /* rtrs-clt-stats.c */
@@ -239,8 +240,8 @@ ssize_t rtrs_clt_reset_all_help(struct rtrs_clt_stats *stats,
 
 /* rtrs-clt-sysfs.c */
 
-int rtrs_clt_create_sysfs_root_files(struct rtrs_clt *clt);
-void rtrs_clt_destroy_sysfs_root(struct rtrs_clt *clt);
+int rtrs_clt_create_sysfs_root_files(struct rtrs_clt_sess *clt);
+void rtrs_clt_destroy_sysfs_root(struct rtrs_clt_sess *clt);
 
 int rtrs_clt_create_path_files(struct rtrs_clt_path *clt_path);
 void rtrs_clt_destroy_path_files(struct rtrs_clt_path *clt_path,

drivers/infiniband/ulp/rtrs/rtrs.h

@@ -13,7 +13,7 @@
 #include <linux/scatterlist.h>
 
 struct rtrs_permit;
-struct rtrs_clt;
+struct rtrs_clt_sess;
 struct rtrs_srv_ctx;
 struct rtrs_srv_sess;
 struct rtrs_srv_op;
@@ -52,14 +52,14 @@ struct rtrs_clt_ops {
 	void	(*link_ev)(void *priv, enum rtrs_clt_link_ev ev);
 };
 
-struct rtrs_clt *rtrs_clt_open(struct rtrs_clt_ops *ops,
+struct rtrs_clt_sess *rtrs_clt_open(struct rtrs_clt_ops *ops,
 				 const char *pathname,
 				 const struct rtrs_addr *paths,
 				 size_t path_cnt, u16 port,
 				 size_t pdu_sz, u8 reconnect_delay_sec,
 				 s16 max_reconnect_attempts, u32 nr_poll_queues);
 
-void rtrs_clt_close(struct rtrs_clt *clt_path);
+void rtrs_clt_close(struct rtrs_clt_sess *clt);
 
 enum wait_type {
 	RTRS_PERMIT_NOWAIT = 0,
@@ -77,11 +77,12 @@ enum rtrs_clt_con_type {
 	RTRS_IO_CON
 };
 
-struct rtrs_permit *rtrs_clt_get_permit(struct rtrs_clt *sess,
-				    enum rtrs_clt_con_type con_type,
-				    enum wait_type wait);
+struct rtrs_permit *rtrs_clt_get_permit(struct rtrs_clt_sess *sess,
+					enum rtrs_clt_con_type con_type,
+					enum wait_type wait);
 
-void rtrs_clt_put_permit(struct rtrs_clt *sess, struct rtrs_permit *permit);
+void rtrs_clt_put_permit(struct rtrs_clt_sess *sess,
+			 struct rtrs_permit *permit);
 
 /**
  * rtrs_clt_req_ops - it holds the request confirmation callback
@@ -98,10 +99,10 @@ struct rtrs_clt_req_ops {
 };
 
 int rtrs_clt_request(int dir, struct rtrs_clt_req_ops *ops,
-		     struct rtrs_clt *sess, struct rtrs_permit *permit,
+		     struct rtrs_clt_sess *sess, struct rtrs_permit *permit,
 		     const struct kvec *vec, size_t nr, size_t len,
 		     struct scatterlist *sg, unsigned int sg_cnt);
-int rtrs_clt_rdma_cq_direct(struct rtrs_clt *clt, unsigned int index);
+int rtrs_clt_rdma_cq_direct(struct rtrs_clt_sess *clt, unsigned int index);
 
 /**
  * rtrs_attrs - RTRS session attributes
@@ -112,7 +113,7 @@ struct rtrs_attrs {
 	u32		max_segments;
 };
 
-int rtrs_clt_query(struct rtrs_clt *sess, struct rtrs_attrs *attr);
+int rtrs_clt_query(struct rtrs_clt_sess *sess, struct rtrs_attrs *attr);
 
 /*
  * Here goes RTRS server API