[PATCH v4 6/9] NFS: Remove unused function nfs_lookup_with_sec()

[bjschuma@netapp.com]

From: Bryan Schumaker <bjschuma@netapp.com>

This fixes a compiler warning.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
---
 fs/nfs/namespace.c |   84 ++++++++++------------------------------------------
 1 file changed, 15 insertions(+), 69 deletions(-)

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 779f06a..d51868e 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -148,84 +148,31 @@ rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *flavors)
 	return pseudoflavor;
 }
 
-static int nfs_negotiate_security(const struct dentry *parent,
-				  const struct dentry *dentry,
-				  rpc_authflavor_t *flavor)
-{
-	struct page *page;
-	struct nfs4_secinfo_flavors *flavors;
-	int (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *);
-	int ret = -EPERM;
-
-	secinfo = NFS_PROTO(parent->d_inode)->secinfo;
-	if (secinfo != NULL) {
-		page = alloc_page(GFP_KERNEL);
-		if (!page) {
-			ret = -ENOMEM;
-			goto out;
-		}
-		flavors = page_address(page);
-		ret = secinfo(parent->d_inode, &dentry->d_name, flavors);
-		*flavor = nfs_find_best_sec(flavors);
-		put_page(page);
-	}
-
-out:
-	return ret;
-}
-
-static int nfs_lookup_with_sec(struct nfs_server *server, struct dentry *parent,
-			       struct dentry *dentry, struct path *path,
-			       struct nfs_fh *fh, struct nfs_fattr *fattr,
-			       rpc_authflavor_t *flavor)
-{
-	struct rpc_clnt *clone;
-	struct rpc_auth *auth;
-	int err;
-
-	err = nfs_negotiate_security(parent, path->dentry, flavor);
-	if (err < 0)
-		goto out;
-	clone  = rpc_clone_client(server->client);
-	auth   = rpcauth_create(*flavor, clone);
-	if (!auth) {
-		err = -EIO;
-		goto out_shutdown;
-	}
-	err = server->nfs_client->rpc_ops->lookup(clone, parent->d_inode,
-						  &path->dentry->d_name,
-						  fh, fattr);
-out_shutdown:
-	rpc_shutdown_client(clone);
-out:
-	return err;
-}
-
 static struct rpc_clnt *nfs_lookup_mountpoint(struct inode *dir,
 					      struct qstr *name,
 					      struct nfs_fh *fh,
 					      struct nfs_fattr *fattr)
 {
-	if (NFS_PROTO(dir)->version != 4)
-		return rpc_clone_client(NFS_SERVER(dir)->client);
-	return nfs4_proc_lookup_mountpoint(dir, name, fh, fattr);
+	int err;
+
+	if (NFS_PROTO(dir)->version == 4)
+		return nfs4_proc_lookup_mountpoint(dir, name, fh, fattr);
+
+	err = NFS_PROTO(dir)->lookup(NFS_SERVER(dir)->client, dir, name, fh, fattr);
+	if (err)
+		return ERR_PTR(err);
+	return rpc_clone_client(NFS_SERVER(dir)->client);
 }
 #else /* CONFIG_NFS_V4 */
-static inline int nfs_lookup_with_sec(struct nfs_server *server,
-				      struct dentry *parent, struct dentry *dentry,
-				      struct path *path, struct nfs_fh *fh,
-				      struct nfs_fattr *fattr,
-				      rpc_authflavor_t *flavor)
-{
-	return -EPERM;
-}
-
-static inline struct rpc_clnt *nfs_lookup_mountpoint(struct inode *inode,
+static inline struct rpc_clnt *nfs_lookup_mountpoint(struct inode *dir,
 						     struct qstr *name,
 						     struct nfs_fh *fh,
 						     struct nfs_fattr *fattr)
 {
-	return rpc_clone_client(NFS_SERVER(inode)->client);
+	int err = NFS_PROTO(dir)->lookup(NFS_SERVER(dir)->client, dir, name, fh, fattr);
+	if (err)
+		return ERR_PTR(err);
+	return rpc_clone_client(NFS_SERVER(dir)->client);
 }
 #endif /* CONFIG_NFS_V4 */
 
@@ -248,7 +195,6 @@ struct vfsmount *nfs_d_automount(struct path *path)
 	struct nfs_fh *fh = NULL;
 	struct nfs_fattr *fattr = NULL;
 	struct rpc_clnt *client;
-	rpc_authflavor_t flavor = RPC_AUTH_UNIX;
 
 	dprintk("--> nfs_d_automount()\n");
 
@@ -276,7 +222,7 @@ struct vfsmount *nfs_d_automount(struct path *path)
 	if (fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL)
 		mnt = nfs_do_refmount(client, path->dentry);
 	else
-		mnt = nfs_do_submount(path->dentry, fh, fattr, flavor);
+		mnt = nfs_do_submount(path->dentry, fh, fattr, client->cl_auth->au_flavor);
 	rpc_shutdown_client(client);
 
 	if (IS_ERR(mnt))
-- 
1.7.10