eCryptfs: make needlessly global symbols static

Andrew Morton wrote:
> Please check that all the newly-added global symbols do indeed need
> to be global.

Change symbols in keystore.c and crypto.o to static if they do not
need to be global.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index a6cbfc1..09e2340 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -39,7 +39,7 @@
  * determine the type of error, make appropriate log entries, and
  * return an error code.
  */
-int process_request_key_err(long err_code)
+static int process_request_key_err(long err_code)
 {
 	int rc = 0;
 
@@ -396,6 +396,27 @@
 	return rc;
 }
 
+static int
+ecryptfs_get_auth_tok_sig(char **sig, struct ecryptfs_auth_tok *auth_tok)
+{
+	int rc = 0;
+
+	(*sig) = NULL;
+	switch (auth_tok->token_type) {
+	case ECRYPTFS_PASSWORD:
+		(*sig) = auth_tok->token.password.signature;
+		break;
+	case ECRYPTFS_PRIVATE_KEY:
+		(*sig) = auth_tok->token.private_key.signature;
+		break;
+	default:
+		printk(KERN_ERR "Cannot get sig for auth_tok of type [%d]\n",
+		       auth_tok->token_type);
+		rc = -EINVAL;
+	}
+	return rc;
+}
+
 /**
  * decrypt_pki_encrypted_session_key - Decrypt the session key with the given auth_tok.
  * @auth_tok: The key authentication token used to decrypt the session key
@@ -1082,26 +1103,6 @@
 	return rc;
 }
 
-int ecryptfs_get_auth_tok_sig(char **sig, struct ecryptfs_auth_tok *auth_tok)
-{
-	int rc = 0;
-
-	(*sig) = NULL;
-	switch (auth_tok->token_type) {
-	case ECRYPTFS_PASSWORD:
-		(*sig) = auth_tok->token.password.signature;
-		break;
-	case ECRYPTFS_PRIVATE_KEY:
-		(*sig) = auth_tok->token.private_key.signature;
-		break;
-	default:
-		printk(KERN_ERR "Cannot get sig for auth_tok of type [%d]\n",
-		       auth_tok->token_type);
-		rc = -EINVAL;
-	}
-	return rc;
-}
-
 /**
  * ecryptfs_parse_packet_set
  * @crypt_stat: The cryptographic context