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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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8
net/sunrpc/clnt.c
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@@ -177,7 +177,7 @@ out_no_path:
kfree(clnt->cl_server);
kfree(clnt);
out_err:
xprt_destroy(xprt);
xprt_put(xprt);
out_no_xprt:
return ERR_PTR(err);
}
@@ -261,6 +261,7 @@ rpc_clone_client(struct rpc_clnt *clnt)
atomic_set(&new->cl_users, 0);
new->cl_parent = clnt;
atomic_inc(&clnt->cl_count);
new->cl_xprt = xprt_get(clnt->cl_xprt);
/* Turn off autobind on clones */
new->cl_autobind = 0;
new->cl_oneshot = 0;
@@ -337,15 +338,12 @@ rpc_destroy_client(struct rpc_clnt *clnt)
rpc_rmdir(clnt->cl_dentry);
rpc_put_mount();
}
if (clnt->cl_xprt) {
xprt_destroy(clnt->cl_xprt);
clnt->cl_xprt = NULL;
}
if (clnt->cl_server != clnt->cl_inline_name)
kfree(clnt->cl_server);
out_free:
rpc_free_iostats(clnt->cl_metrics);
clnt->cl_metrics = NULL;
xprt_put(clnt->cl_xprt);
kfree(clnt);
return 0;
}