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SUNRPC: Give cloned RPC clients their own rpc_pipefs directory 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2006-11-16 11:37:27 -05:00
parent 23bf85ba43
commit 3e32a5d99a
2 changed files with 14 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/sunrpc/clnt.h
View File

@ -53,6 +53,7 @@ struct rpc_clnt {
struct dentry * cl_dentry; /* inode */
struct rpc_clnt * cl_parent; /* Points to parent of clones */
struct rpc_rtt cl_rtt_default;
struct rpc_program * cl_program;
char cl_inline_name[32];
};

23
net/sunrpc/clnt.c
View File

@ -144,6 +144,7 @@ static struct rpc_clnt * rpc_new_client(struct rpc_xprt *xprt, char *servname, s
err = -ENOMEM;
if (clnt->cl_metrics == NULL)
goto out_no_stats;
clnt->cl_program = program;
if (!xprt_bound(clnt->cl_xprt))
clnt->cl_autobind = 1;
@ -257,6 +258,7 @@ struct rpc_clnt *
rpc_clone_client(struct rpc_clnt *clnt)
{
struct rpc_clnt *new;
int err = -ENOMEM;
new = kmemdup(clnt, sizeof(*new), GFP_KERNEL);
if (!new)
@ -266,6 +268,9 @@ rpc_clone_client(struct rpc_clnt *clnt)
new->cl_metrics = rpc_alloc_iostats(clnt);
if (new->cl_metrics == NULL)
goto out_no_stats;
err = rpc_setup_pipedir(new, clnt->cl_program->pipe_dir_name);
if (err != 0)
goto out_no_path;
new->cl_parent = clnt;
atomic_inc(&clnt->cl_count);
new->cl_xprt = xprt_get(clnt->cl_xprt);
@ -273,17 +278,17 @@ rpc_clone_client(struct rpc_clnt *clnt)
new->cl_autobind = 0;
new->cl_oneshot = 0;
new->cl_dead = 0;
if (!IS_ERR(new->cl_dentry))
dget(new->cl_dentry);
rpc_init_rtt(&new->cl_rtt_default, clnt->cl_xprt->timeout.to_initval);
if (new->cl_auth)
atomic_inc(&new->cl_auth->au_count);
return new;
out_no_path:
rpc_free_iostats(new->cl_metrics);
out_no_stats:
kfree(new);
out_no_clnt:
printk(KERN_INFO "RPC: out of memory in %s\n", __FUNCTION__);
return ERR_PTR(-ENOMEM);
dprintk("RPC: %s returned error %d\n", __FUNCTION__, err);
return ERR_PTR(err);
}
/*
@ -336,16 +341,14 @@ rpc_destroy_client(struct rpc_clnt *clnt)
rpcauth_destroy(clnt->cl_auth);
clnt->cl_auth = NULL;
}
if (clnt->cl_parent != clnt) {
if (!IS_ERR(clnt->cl_dentry))
dput(clnt->cl_dentry);
rpc_destroy_client(clnt->cl_parent);
goto out_free;
}
if (!IS_ERR(clnt->cl_dentry)) {
rpc_rmdir(clnt->cl_dentry);
rpc_put_mount();
}
if (clnt->cl_parent != clnt) {
rpc_destroy_client(clnt->cl_parent);
goto out_free;
}
if (clnt->cl_server != clnt->cl_inline_name)
kfree(clnt->cl_server);
out_free: