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SUNRPC: Add refcounting to the struct rpc_xprt

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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>
This commit is contained in:
Trond Myklebust
2006-09-05 12:55:57 -04:00
parent da45828e28
commit 6b6ca86b77
3 changed files with 33 additions and 10 deletions
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5
include/linux/sunrpc/xprt.h
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@@ -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)
{