1 files changed, 5 insertions, 12 deletions

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index ce7a5d4aec36..5007f788da01 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -234,10 +234,11 @@ struct ecryptfs_crypt_stat {
 #define ECRYPTFS_KEY_VALID          0x00000080
 #define ECRYPTFS_METADATA_IN_XATTR  0x00000100
 #define ECRYPTFS_VIEW_AS_ENCRYPTED  0x00000200
+#define ECRYPTFS_KEY_SET            0x00000400
         u32 flags;
         unsigned int file_version;
         size_t iv_bytes;
-        size_t num_header_extents_at_front;
+        size_t num_header_bytes_at_front;
         size_t extent_size; /* Data extent size; default is 4096 */
         size_t key_size;
         size_t extent_shift;
@@ -322,7 +323,6 @@ struct ecryptfs_key_tfm {
         unsigned char cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE + 1];
 };
 
-extern struct list_head key_tfm_list;
 extern struct mutex key_tfm_list_mutex;
 
 /**
@@ -521,11 +521,9 @@ extern struct kmem_cache *ecryptfs_file_info_cache;
 extern struct kmem_cache *ecryptfs_dentry_info_cache;
 extern struct kmem_cache *ecryptfs_inode_info_cache;
 extern struct kmem_cache *ecryptfs_sb_info_cache;
-extern struct kmem_cache *ecryptfs_header_cache_0;
 extern struct kmem_cache *ecryptfs_header_cache_1;
 extern struct kmem_cache *ecryptfs_header_cache_2;
 extern struct kmem_cache *ecryptfs_xattr_cache;
-extern struct kmem_cache *ecryptfs_lower_page_cache;
 extern struct kmem_cache *ecryptfs_key_record_cache;
 extern struct kmem_cache *ecryptfs_key_sig_cache;
 extern struct kmem_cache *ecryptfs_global_auth_tok_cache;
@@ -562,8 +560,8 @@ int ecryptfs_read_and_validate_header_region(char *data,
                                              struct inode *ecryptfs_inode);
 int ecryptfs_read_and_validate_xattr_region(char *page_virt,
                                             struct dentry *ecryptfs_dentry);
-u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat);
-int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code);
+u8 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat);
+int ecryptfs_cipher_code_to_string(char *str, u8 cipher_code);
 void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat);
 int ecryptfs_generate_key_packet_set(char *dest_base,
                                      struct ecryptfs_crypt_stat *crypt_stat,
@@ -576,8 +574,6 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length);
 int ecryptfs_inode_test(struct inode *inode, void *candidate_lower_inode);
 int ecryptfs_inode_set(struct inode *inode, void *lower_inode);
 void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode);
-ssize_t ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value,
-                          size_t size);
 ssize_t
 ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name,
                         void *value, size_t size);
@@ -623,6 +619,7 @@ ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,
                          size_t key_size);
 int ecryptfs_init_crypto(void);
 int ecryptfs_destroy_crypto(void);
+int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm);
 int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_blkcipher **tfm,
                                                struct mutex **tfm_mutex,
                                                char *cipher_name);
@@ -631,8 +628,6 @@ int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key,
                                       char *sig);
 int ecryptfs_write_zeros(struct file *file, pgoff_t index, int start,
                          int num_zeros);
-void ecryptfs_lower_offset_for_extent(loff_t *offset, loff_t extent_num,
-                                      struct ecryptfs_crypt_stat *crypt_stat);
 int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
                          loff_t offset, size_t size);
 int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode,
@@ -646,8 +641,6 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs,
                                      pgoff_t page_index,
                                      size_t offset_in_page, size_t size,
                                      struct inode *ecryptfs_inode);
-int ecryptfs_read(char *data, loff_t offset, size_t size,
-                  struct file *ecryptfs_file);
 struct page *ecryptfs_get_locked_page(struct file *file, loff_t index);
 
 #endif /* #ifndef ECRYPTFS_KERNEL_H */