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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-09-05 12:55:57 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-09-22 23:25:01 -0400
commit6b6ca86b77b62b798cf9ca2599036420abce7796 (patch)
treecf631a3c293be45fa4bed54bca5dcbfc96a57df1 /include/linux/sunrpc
parentda45828e2835057045150b318c4fbe9bb91f18dd (diff)
SUNRPC: Add refcounting to the struct rpc_xprt
In a subsequent patch, this will allow the portmapper to take a reference to the rpc_xprt for which it is updating the port number, fixing an Oops. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/xprt.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index de4efea7c85..bdeba8538c7 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -12,6 +12,7 @@
#include <linux/uio.h>
#include <linux/socket.h>
#include <linux/in.h>
+#include <linux/kref.h>
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/xdr.h>
@@ -129,6 +130,7 @@ struct rpc_xprt_ops {
};
struct rpc_xprt {
+ struct kref kref; /* Reference count */
struct rpc_xprt_ops * ops; /* transport methods */
struct socket * sock; /* BSD socket layer */
struct sock * inet; /* INET layer */
@@ -248,7 +250,8 @@ int xprt_adjust_timeout(struct rpc_rqst *req);
void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_release(struct rpc_task *task);
-int xprt_destroy(struct rpc_xprt *xprt);
+struct rpc_xprt * xprt_get(struct rpc_xprt *xprt);
+void xprt_put(struct rpc_xprt *xprt);
static inline u32 *xprt_skip_transport_header(struct rpc_xprt *xprt, u32 *p)
{