@@ -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;
@@ -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
@@ -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);
@@ -46,7 +46,7 @@ static struct rtrs_rdma_dev_pd dev_pd = {
static struct workqueue_struct *rtrs_wq;
static struct class *rtrs_clt_dev_class;
-static inline bool rtrs_clt_is_connected(const struct rtrs_clt *clt)
+static inline bool rtrs_clt_is_connected(const struct rtrs_clt_sess *clt)
{
struct rtrs_clt_path *clt_path;
bool connected = false;
@@ -60,7 +60,7 @@ static inline bool rtrs_clt_is_connected(const struct rtrs_clt *clt)
}
static struct rtrs_permit *
-__rtrs_get_permit(struct rtrs_clt *clt, enum rtrs_clt_con_type con_type)
+__rtrs_get_permit(struct rtrs_clt_sess *clt, enum rtrs_clt_con_type con_type)
{
size_t max_depth = clt->queue_depth;
struct rtrs_permit *permit;
@@ -87,7 +87,7 @@ __rtrs_get_permit(struct rtrs_clt *clt, enum rtrs_clt_con_type con_type)
return permit;
}
-static inline void __rtrs_put_permit(struct rtrs_clt *clt,
+static inline void __rtrs_put_permit(struct rtrs_clt_sess *clt,
struct rtrs_permit *permit)
{
clear_bit_unlock(permit->mem_id, clt->permits_map);
@@ -107,7 +107,7 @@ static inline void __rtrs_put_permit(struct rtrs_clt *clt,
* Context:
* Can sleep if @wait == RTRS_PERMIT_WAIT
*/
-struct rtrs_permit *rtrs_clt_get_permit(struct rtrs_clt *clt,
+struct rtrs_permit *rtrs_clt_get_permit(struct rtrs_clt_sess *clt,
enum rtrs_clt_con_type con_type,
enum wait_type can_wait)
{
@@ -142,7 +142,8 @@ EXPORT_SYMBOL(rtrs_clt_get_permit);
* Context:
* Does not matter
*/
-void rtrs_clt_put_permit(struct rtrs_clt *clt, struct rtrs_permit *permit)
+void rtrs_clt_put_permit(struct rtrs_clt_sess *clt,
+ struct rtrs_permit *permit)
{
if (WARN_ON(!test_bit(permit->mem_id, clt->permits_map)))
return;
@@ -303,7 +304,7 @@ static void rtrs_rdma_error_recovery(struct rtrs_clt_con *con)
if (rtrs_clt_change_state_from_to(clt_path,
RTRS_CLT_CONNECTED,
RTRS_CLT_RECONNECTING)) {
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
unsigned int delay_ms;
/*
@@ -743,7 +744,7 @@ static int post_recv_path(struct rtrs_clt_path *clt_path)
struct path_it {
int i;
struct list_head skip_list;
- struct rtrs_clt *clt;
+ struct rtrs_clt_sess *clt;
struct rtrs_clt_path *(*next_path)(struct path_it *it);
};
@@ -780,7 +781,7 @@ static struct rtrs_clt_path *get_next_path_rr(struct path_it *it)
{
struct rtrs_clt_path __rcu **ppcpu_path;
struct rtrs_clt_path *path;
- struct rtrs_clt *clt;
+ struct rtrs_clt_sess *clt;
clt = it->clt;
@@ -817,7 +818,7 @@ static struct rtrs_clt_path *get_next_path_rr(struct path_it *it)
static struct rtrs_clt_path *get_next_path_min_inflight(struct path_it *it)
{
struct rtrs_clt_path *min_path = NULL;
- struct rtrs_clt *clt = it->clt;
+ struct rtrs_clt_sess *clt = it->clt;
struct rtrs_clt_path *clt_path;
int min_inflight = INT_MAX;
int inflight;
@@ -868,7 +869,7 @@ static struct rtrs_clt_path *get_next_path_min_inflight(struct path_it *it)
static struct rtrs_clt_path *get_next_path_min_latency(struct path_it *it)
{
struct rtrs_clt_path *min_path = NULL;
- struct rtrs_clt *clt = it->clt;
+ struct rtrs_clt_sess *clt = it->clt;
struct rtrs_clt_path *clt_path;
ktime_t min_latency = KTIME_MAX;
ktime_t latency;
@@ -898,7 +899,7 @@ static struct rtrs_clt_path *get_next_path_min_latency(struct path_it *it)
return min_path;
}
-static inline void path_it_init(struct path_it *it, struct rtrs_clt *clt)
+static inline void path_it_init(struct path_it *it, struct rtrs_clt_sess *clt)
{
INIT_LIST_HEAD(&it->skip_list);
it->clt = clt;
@@ -1281,7 +1282,7 @@ static int rtrs_clt_read_req(struct rtrs_clt_io_req *req)
* @clt: clt context
* @fail_req: a failed io request.
*/
-static int rtrs_clt_failover_req(struct rtrs_clt *clt,
+static int rtrs_clt_failover_req(struct rtrs_clt_sess *clt,
struct rtrs_clt_io_req *fail_req)
{
struct rtrs_clt_path *alive_path;
@@ -1316,7 +1317,7 @@ static int rtrs_clt_failover_req(struct rtrs_clt *clt,
static void fail_all_outstanding_reqs(struct rtrs_clt_path *clt_path)
{
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
struct rtrs_clt_io_req *req;
int i, err;
@@ -1405,7 +1406,7 @@ static int alloc_path_reqs(struct rtrs_clt_path *clt_path)
return err;
}
-static int alloc_permits(struct rtrs_clt *clt)
+static int alloc_permits(struct rtrs_clt_sess *clt)
{
unsigned int chunk_bits;
int err, i;
@@ -1439,7 +1440,7 @@ static int alloc_permits(struct rtrs_clt *clt)
return err;
}
-static void free_permits(struct rtrs_clt *clt)
+static void free_permits(struct rtrs_clt_sess *clt)
{
if (clt->permits_map) {
size_t sz = clt->queue_depth;
@@ -1510,7 +1511,7 @@ static void rtrs_clt_init_hb(struct rtrs_clt_path *clt_path)
static void rtrs_clt_reconnect_work(struct work_struct *work);
static void rtrs_clt_close_work(struct work_struct *work);
-static struct rtrs_clt_path *alloc_path(struct rtrs_clt *clt,
+static struct rtrs_clt_path *alloc_path(struct rtrs_clt_sess *clt,
const struct rtrs_addr *path,
size_t con_num, u32 nr_poll_queues)
{
@@ -1775,7 +1776,7 @@ static int rtrs_rdma_addr_resolved(struct rtrs_clt_con *con)
static int rtrs_rdma_route_resolved(struct rtrs_clt_con *con)
{
struct rtrs_clt_path *clt_path = to_clt_path(con->c.path);
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
struct rtrs_msg_conn_req msg;
struct rdma_conn_param param;
@@ -1810,7 +1811,7 @@ static int rtrs_rdma_conn_established(struct rtrs_clt_con *con,
struct rdma_cm_event *ev)
{
struct rtrs_clt_path *clt_path = to_clt_path(con->c.path);
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
const struct rtrs_msg_conn_rsp *msg;
u16 version, queue_depth;
int errno;
@@ -2100,7 +2101,7 @@ static int create_cm(struct rtrs_clt_con *con)
static void rtrs_clt_path_up(struct rtrs_clt_path *clt_path)
{
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
int up;
/*
@@ -2131,7 +2132,7 @@ static void rtrs_clt_path_up(struct rtrs_clt_path *clt_path)
static void rtrs_clt_path_down(struct rtrs_clt_path *clt_path)
{
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
if (!clt_path->established)
return;
@@ -2220,7 +2221,7 @@ static inline bool xchg_paths(struct rtrs_clt_path __rcu **rcu_ppcpu_path,
static void rtrs_clt_remove_path_from_arr(struct rtrs_clt_path *clt_path)
{
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
struct rtrs_clt_path *next;
bool wait_for_grace = false;
int cpu;
@@ -2310,7 +2311,7 @@ static void rtrs_clt_remove_path_from_arr(struct rtrs_clt_path *clt_path)
static void rtrs_clt_add_path_to_arr(struct rtrs_clt_path *clt_path)
{
- struct rtrs_clt *clt = clt_path->clt;
+ struct rtrs_clt_sess *clt = clt_path->clt;
mutex_lock(&clt->paths_mutex);
clt->paths_num++;
@@ -2636,7 +2637,7 @@ static int init_path(struct rtrs_clt_path *clt_path)
static void rtrs_clt_reconnect_work(struct work_struct *work)
{
struct rtrs_clt_path *clt_path;
- struct rtrs_clt *clt;
+ struct rtrs_clt_sess *clt;
unsigned int delay_ms;
int err;
@@ -2678,19 +2679,20 @@ static void rtrs_clt_reconnect_work(struct work_struct *work)
static void rtrs_clt_dev_release(struct device *dev)
{
- struct rtrs_clt *clt = container_of(dev, struct rtrs_clt, dev);
+ struct rtrs_clt_sess *clt = container_of(dev, struct rtrs_clt_sess,
+ dev);
kfree(clt);
}
-static struct rtrs_clt *alloc_clt(const char *sessname, size_t paths_num,
+static struct rtrs_clt_sess *alloc_clt(const char *sessname, size_t paths_num,
u16 port, size_t pdu_sz, void *priv,
void (*link_ev)(void *priv,
enum rtrs_clt_link_ev ev),
unsigned int reconnect_delay_sec,
unsigned int max_reconnect_attempts)
{
- struct rtrs_clt *clt;
+ struct rtrs_clt_sess *clt;
int err;
if (!paths_num || paths_num > MAX_PATHS_NUM)
@@ -2765,7 +2767,7 @@ static struct rtrs_clt *alloc_clt(const char *sessname, size_t paths_num,
return ERR_PTR(err);
}
-static void free_clt(struct rtrs_clt *clt)
+static void free_clt(struct rtrs_clt_sess *clt)
{
free_permits(clt);
free_percpu(clt->pcpu_path);
@@ -2793,7 +2795,7 @@ static void free_clt(struct rtrs_clt *clt)
*
* Return a valid pointer on success otherwise PTR_ERR.
*/
-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 paths_num, u16 port,
@@ -2801,7 +2803,7 @@ struct rtrs_clt *rtrs_clt_open(struct rtrs_clt_ops *ops,
s16 max_reconnect_attempts, u32 nr_poll_queues)
{
struct rtrs_clt_path *clt_path, *tmp;
- struct rtrs_clt *clt;
+ struct rtrs_clt_sess *clt;
int err, i;
if (strchr(pathname, '/') || strchr(pathname, '.')) {
@@ -2875,7 +2877,7 @@ EXPORT_SYMBOL(rtrs_clt_open);
* rtrs_clt_close() - Close a path
* @clt: Session handle. Session is freed upon return.
*/
-void rtrs_clt_close(struct rtrs_clt *clt)
+void rtrs_clt_close(struct rtrs_clt_sess *clt)
{
struct rtrs_clt_path *clt_path, *tmp;
@@ -2950,12 +2952,12 @@ int rtrs_clt_remove_path_from_sysfs(struct rtrs_clt_path *clt_path,
return 0;
}
-void rtrs_clt_set_max_reconnect_attempts(struct rtrs_clt *clt, int value)
+void rtrs_clt_set_max_reconnect_attempts(struct rtrs_clt_sess *clt, int value)
{
clt->max_reconnect_attempts = (unsigned int)value;
}
-int rtrs_clt_get_max_reconnect_attempts(const struct rtrs_clt *clt)
+int rtrs_clt_get_max_reconnect_attempts(const struct rtrs_clt_sess *clt)
{
return (int)clt->max_reconnect_attempts;
}
@@ -2985,9 +2987,9 @@ int rtrs_clt_get_max_reconnect_attempts(const struct rtrs_clt *clt)
* On dir=WRITE rtrs client will rdma write data in sg to server side.
*/
int rtrs_clt_request(int dir, struct rtrs_clt_req_ops *ops,
- struct rtrs_clt *clt, struct rtrs_permit *permit,
- const struct kvec *vec, size_t nr, size_t data_len,
- struct scatterlist *sg, unsigned int sg_cnt)
+ struct rtrs_clt_sess *clt, struct rtrs_permit *permit,
+ const struct kvec *vec, size_t nr, size_t data_len,
+ struct scatterlist *sg, unsigned int sg_cnt)
{
struct rtrs_clt_io_req *req;
struct rtrs_clt_path *clt_path;
@@ -3045,7 +3047,7 @@ int rtrs_clt_request(int dir, struct rtrs_clt_req_ops *ops,
}
EXPORT_SYMBOL(rtrs_clt_request);
-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)
{
/* If no path, return -1 for block layer not to try again */
int cnt = -1;
@@ -3079,7 +3081,7 @@ EXPORT_SYMBOL(rtrs_clt_rdma_cq_direct);
* 0 on success
* -ECOMM no connection to the server
*/
-int rtrs_clt_query(struct rtrs_clt *clt, struct rtrs_attrs *attr)
+int rtrs_clt_query(struct rtrs_clt_sess *clt, struct rtrs_attrs *attr)
{
if (!rtrs_clt_is_connected(clt))
return -ECOMM;
@@ -3094,7 +3096,7 @@ int rtrs_clt_query(struct rtrs_clt *clt, struct rtrs_attrs *attr)
}
EXPORT_SYMBOL(rtrs_clt_query);
-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)
{
struct rtrs_clt_path *clt_path;
@@ -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,
@@ -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