提交 41b6b4d0 编写于 作者: T Trond Myklebust

SUNRPC: Cleanup rpc_setup_pipedir

The directory name is _always_ clnt->cl_program->pipe_dir_name.
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
上级 1dada8e1
......@@ -123,10 +123,10 @@ static void rpc_clnt_remove_pipedir(struct rpc_clnt *clnt)
}
static struct dentry *rpc_setup_pipedir_sb(struct super_block *sb,
struct rpc_clnt *clnt,
const char *dir_name)
struct rpc_clnt *clnt)
{
static uint32_t clntid;
const char *dir_name = clnt->cl_program->pipe_dir_name;
char name[15];
struct dentry *dir, *dentry;
......@@ -153,23 +153,26 @@ static struct dentry *rpc_setup_pipedir_sb(struct super_block *sb,
}
static int
rpc_setup_pipedir(struct rpc_clnt *clnt, const char *dir_name,
struct super_block *pipefs_sb)
rpc_setup_pipedir(struct super_block *pipefs_sb, struct rpc_clnt *clnt)
{
struct dentry *dentry;
if (clnt->cl_program->pipe_dir_name == NULL)
goto out;
clnt->cl_dentry = NULL;
if (dir_name == NULL)
return 0;
dentry = rpc_setup_pipedir_sb(pipefs_sb, clnt, dir_name);
dentry = rpc_setup_pipedir_sb(pipefs_sb, clnt);
if (IS_ERR(dentry))
return PTR_ERR(dentry);
clnt->cl_dentry = dentry;
out:
return 0;
}
static inline int rpc_clnt_skip_event(struct rpc_clnt *clnt, unsigned long event)
static int rpc_clnt_skip_event(struct rpc_clnt *clnt, unsigned long event)
{
if (clnt->cl_program->pipe_dir_name == NULL)
return 1;
if (((event == RPC_PIPEFS_MOUNT) && clnt->cl_dentry) ||
((event == RPC_PIPEFS_UMOUNT) && !clnt->cl_dentry))
return 1;
......@@ -186,8 +189,7 @@ static int __rpc_clnt_handle_event(struct rpc_clnt *clnt, unsigned long event,
switch (event) {
case RPC_PIPEFS_MOUNT:
dentry = rpc_setup_pipedir_sb(sb, clnt,
clnt->cl_program->pipe_dir_name);
dentry = rpc_setup_pipedir_sb(sb, clnt);
if (!dentry)
return -ENOENT;
if (IS_ERR(dentry))
......@@ -230,8 +232,6 @@ static struct rpc_clnt *rpc_get_client_for_event(struct net *net, int event)
spin_lock(&sn->rpc_client_lock);
list_for_each_entry(clnt, &sn->all_clients, cl_clients) {
if (clnt->cl_program->pipe_dir_name == NULL)
continue;
if (rpc_clnt_skip_event(clnt, event))
continue;
spin_unlock(&sn->rpc_client_lock);
......@@ -282,7 +282,6 @@ static void rpc_clnt_set_nodename(struct rpc_clnt *clnt, const char *nodename)
static int rpc_client_register(const struct rpc_create_args *args,
struct rpc_clnt *clnt)
{
const struct rpc_program *program = args->program;
struct rpc_auth *auth;
struct net *net = rpc_net_ns(clnt);
struct super_block *pipefs_sb;
......@@ -290,7 +289,7 @@ static int rpc_client_register(const struct rpc_create_args *args,
pipefs_sb = rpc_get_sb_net(net);
if (pipefs_sb) {
err = rpc_setup_pipedir(clnt, program->pipe_dir_name, pipefs_sb);
err = rpc_setup_pipedir(pipefs_sb, clnt);
if (err)
goto out;
}
......
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