From: Olga Kornievskaia <kolga@xxxxxxxxxx>
To keep track of how many transports have already been added, add
ability to query the number.
Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
---
include/linux/sunrpc/clnt.h | 2 ++
net/sunrpc/clnt.c | 13 +++++++++++++
2 files changed, 15 insertions(+)
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 02e7a5863d28..27042f1e581f 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -234,6 +234,8 @@ void rpc_clnt_xprt_switch_put(struct rpc_clnt *);
void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *, struct rpc_xprt *);
bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt,
const struct sockaddr *sap);
+size_t rpc_clnt_xprt_switch_nactive(struct rpc_clnt *);
+
void rpc_cleanup_clids(void);
static inline int rpc_reply_expected(struct rpc_task *task)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 42623d6b8f0e..b46262ffcf72 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2959,6 +2959,19 @@ bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt,
}
EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_has_addr);
+size_t rpc_clnt_xprt_switch_nactive(struct rpc_clnt *clnt)
+{
+ struct rpc_xprt_switch *xps;
+ size_t num;
+
+ rcu_read_lock();
+ xps = rcu_dereference(clnt->cl_xpi.xpi_xpswitch);
+ num = xps->xps_nactive;
+ rcu_read_unlock();
+ return num;
+}
+EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_nactive);
+
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
static void rpc_show_header(void)
{
--
2.27.0
