[PATCH] eCryptfs: Hash code to new crypto API

Update eCryptfs hash code to the new kernel crypto API.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 4112df9..840aa01 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -175,6 +175,7 @@
 #define ECRYPTFS_DEFAULT_CIPHER "aes"
 #define ECRYPTFS_DEFAULT_KEY_BYTES 16
 #define ECRYPTFS_DEFAULT_CHAINING_MODE CRYPTO_TFM_MODE_CBC
+#define ECRYPTFS_DEFAULT_HASH "md5"
 #define ECRYPTFS_TAG_3_PACKET_TYPE 0x8C
 #define ECRYPTFS_TAG_11_PACKET_TYPE 0xED
 #define MD5_DIGEST_SIZE 16
@@ -205,14 +206,14 @@
 	unsigned int extent_mask;
 	struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
 	struct crypto_tfm *tfm;
-	struct crypto_tfm *md5_tfm; /* Crypto context for generating
-				     * the initialization vectors */
+	struct crypto_hash *hash_tfm; /* Crypto context for generating
+				       * the initialization vectors */
 	unsigned char cipher[ECRYPTFS_MAX_CIPHER_NAME_SIZE];
 	unsigned char key[ECRYPTFS_MAX_KEY_BYTES];
 	unsigned char root_iv[ECRYPTFS_MAX_IV_BYTES];
 	unsigned char keysigs[ECRYPTFS_MAX_NUM_KEYSIGS][ECRYPTFS_SIG_SIZE_HEX];
 	struct mutex cs_tfm_mutex;
-	struct mutex cs_md5_tfm_mutex;
+	struct mutex cs_hash_tfm_mutex;
 	struct mutex cs_mutex;
 };