NFS: clean up rpc_rmdir

Make it take a dentry argument instead of a path

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
(cherry picked from 648d4116eb2509f010f7f34704a650150309b3e7 commit)

2 files changed, 8 insertions, 16 deletions

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d6409e757219..d307556872db 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -183,7 +183,7 @@ rpc_new_client(struct rpc_xprt *xprt, char *servname,
 
 out_no_auth:
         if (!IS_ERR(clnt->cl_dentry)) {
-                rpc_rmdir(clnt->cl_pathname);
+                rpc_rmdir(clnt->cl_dentry);
                 dput(clnt->cl_dentry);
                 rpc_put_mount();
         }
@@ -320,8 +320,8 @@ rpc_destroy_client(struct rpc_clnt *clnt)
                 rpc_destroy_client(clnt->cl_parent);
                 goto out_free;
         }
-        if (clnt->cl_pathname[0])
-                rpc_rmdir(clnt->cl_pathname);
+        if (!IS_ERR(clnt->cl_dentry))
+                rpc_rmdir(clnt->cl_dentry);
         if (clnt->cl_xprt) {
                 xprt_destroy(clnt->cl_xprt);
                 clnt->cl_xprt = NULL;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 9144f2767b66..9c355e1ae61a 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -684,28 +684,20 @@ err_dput:
 }
 
 int
-rpc_rmdir(char *path)
+rpc_rmdir(struct dentry *dentry)
 {
-        struct nameidata nd;
-        struct dentry *dentry;
+        struct dentry *parent;
         struct inode *dir;
         int error;
 
-        if ((error = rpc_lookup_parent(path, &nd)) != 0)
-                return error;
-        dir = nd.dentry->d_inode;
+        parent = dget_parent(dentry);
+        dir = parent->d_inode;
         mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
-        dentry = lookup_one_len(nd.last.name, nd.dentry, nd.last.len);
-        if (IS_ERR(dentry)) {
-                error = PTR_ERR(dentry);
-                goto out_release;
-        }
         rpc_depopulate(dentry);
         error = __rpc_rmdir(dir, dentry);
         dput(dentry);
-out_release:
         mutex_unlock(&dir->i_mutex);
-        rpc_release_path(&nd);
+        dput(parent);
         return error;
 }