[PATCH net-next 3/3] SUNRPC: add netns refcount tracker to struct rpc_xprt

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From: Eric Dumazet <edumazet@xxxxxxxxxx>

Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
---
 include/linux/sunrpc/xprt.h | 1 +
 net/sunrpc/xprt.c           | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 955ea4d7af0b2fea1300a46fad963df35f25810c..3cdc8d878d81122e3318447df4770100500403e4 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -284,6 +284,7 @@ struct rpc_xprt {
 	} stat;
 
 	struct net		*xprt_net;
+	netns_tracker		ns_tracker;
 	const char		*servername;
 	const char		*address_strings[RPC_DISPLAY_MAX];
 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index a02de2bddb28b48bb6798327c0814e769314621b..5af484d6ba5e8bfb871768122009ee330c708c04 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1835,7 +1835,7 @@ EXPORT_SYMBOL_GPL(xprt_alloc);
 
 void xprt_free(struct rpc_xprt *xprt)
 {
-	put_net(xprt->xprt_net);
+	put_net_track(xprt->xprt_net, &xprt->ns_tracker);
 	xprt_free_all_slots(xprt);
 	xprt_free_id(xprt);
 	rpc_sysfs_xprt_destroy(xprt);
@@ -2027,7 +2027,7 @@ static void xprt_init(struct rpc_xprt *xprt, struct net *net)
 
 	xprt_init_xid(xprt);
 
-	xprt->xprt_net = get_net(net);
+	xprt->xprt_net = get_net_track(net, &xprt->ns_tracker, GFP_KERNEL);
 }
 
 /**
-- 
2.35.0.rc0.227.g00780c9af4-goog




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