diff options
Diffstat (limited to 'fs/ecryptfs/ecryptfs_kernel.h')
| -rw-r--r-- | fs/ecryptfs/ecryptfs_kernel.h | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index bd3cafd0949d..43c7c43b06f5 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -200,6 +200,8 @@ ecryptfs_get_key_payload_data(struct key *key) #define MAGIC_ECRYPTFS_MARKER 0x3c81b7f5 #define MAGIC_ECRYPTFS_MARKER_SIZE_BYTES 8 /* 4*2 */ #define ECRYPTFS_FILE_SIZE_BYTES (sizeof(u64)) +#define ECRYPTFS_SIZE_AND_MARKER_BYTES (ECRYPTFS_FILE_SIZE_BYTES \ + + MAGIC_ECRYPTFS_MARKER_SIZE_BYTES) #define ECRYPTFS_DEFAULT_CIPHER "aes" #define ECRYPTFS_DEFAULT_KEY_BYTES 16 #define ECRYPTFS_DEFAULT_HASH "md5" @@ -269,6 +271,7 @@ struct ecryptfs_crypt_stat { #define ECRYPTFS_ENCFN_USE_MOUNT_FNEK 0x00000800 #define ECRYPTFS_ENCFN_USE_FEK 0x00001000 #define ECRYPTFS_UNLINK_SIGS 0x00002000 +#define ECRYPTFS_I_SIZE_INITIALIZED 0x00004000 u32 flags; unsigned int file_version; size_t iv_bytes; @@ -295,6 +298,8 @@ struct ecryptfs_crypt_stat { struct ecryptfs_inode_info { struct inode vfs_inode; struct inode *wii_inode; + struct mutex lower_file_mutex; + atomic_t lower_file_count; struct file *lower_file; struct ecryptfs_crypt_stat crypt_stat; }; @@ -600,8 +605,7 @@ 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_1; -extern struct kmem_cache *ecryptfs_header_cache_2; +extern struct kmem_cache *ecryptfs_header_cache; extern struct kmem_cache *ecryptfs_xattr_cache; extern struct kmem_cache *ecryptfs_key_record_cache; extern struct kmem_cache *ecryptfs_key_sig_cache; @@ -622,13 +626,9 @@ struct ecryptfs_open_req { struct list_head kthread_ctl_list; }; -#define ECRYPTFS_INTERPOSE_FLAG_D_ADD 0x00000001 -int ecryptfs_interpose(struct dentry *hidden_dentry, - struct dentry *this_dentry, struct super_block *sb, - u32 flags); -int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry, - struct dentry *lower_dentry, - struct inode *ecryptfs_dir_inode); +struct inode *ecryptfs_get_inode(struct inode *lower_inode, + struct super_block *sb); +void ecryptfs_i_size_init(const char *page_virt, struct inode *inode); int ecryptfs_decode_and_decrypt_filename(char **decrypted_name, size_t *decrypted_name_size, struct dentry *ecryptfs_dentry, @@ -660,10 +660,9 @@ int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry); void ecryptfs_write_crypt_stat_flags(char *page_virt, struct ecryptfs_crypt_stat *crypt_stat, size_t *written); -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); +int ecryptfs_read_and_validate_header_region(struct inode *inode); +int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry, + struct inode *inode); u8 ecryptfs_code_for_cipher_string(char *cipher_name, size_t key_bytes); int ecryptfs_cipher_code_to_string(char *str, u8 cipher_code); void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat); @@ -675,9 +674,6 @@ int ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat, unsigned char *src, struct dentry *ecryptfs_dentry); 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_lower(struct dentry *lower_dentry, const char *name, void *value, size_t size); @@ -757,7 +753,8 @@ int ecryptfs_privileged_open(struct file **lower_file, struct dentry *lower_dentry, struct vfsmount *lower_mnt, const struct cred *cred); -int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry); +int ecryptfs_get_lower_file(struct dentry *dentry, struct inode *inode); +void ecryptfs_put_lower_file(struct inode *inode); int ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, size_t *packet_size, |