Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wirel...

[sfrench/cifs-2.6.git] / fs / ecryptfs / ecryptfs_kernel.h

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 199fcda50e1b3a8e0f3e8b6391e66a9a9520f912..0f897109759baa627ed07c087658e0185672de29 100644 (file)
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -28,6 +28,8 @@
 
 #include <keys/user-type.h>
 #include <linux/fs.h>
+#include <linux/fs_stack.h>
+#include <linux/namei.h>
 #include <linux/scatterlist.h>
 
 /* Version verification for shared data structures w/ userspace */
@@ -174,7 +176,6 @@ ecryptfs_get_key_payload_data(struct key *key)
 #define ECRYPTFS_FILE_SIZE_BYTES 8
 #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
@@ -227,8 +228,7 @@ struct ecryptfs_inode_info {
 /* dentry private data. Each dentry must keep track of a lower
  * vfsmount too. */
 struct ecryptfs_dentry_info {
-       struct dentry *wdi_dentry;
-       struct vfsmount *lower_mnt;
+       struct path lower_path;
        struct ecryptfs_crypt_stat *crypt_stat;
 };
 
@@ -355,26 +355,26 @@ ecryptfs_set_dentry_private(struct dentry *dentry,
 static inline struct dentry *
 ecryptfs_dentry_to_lower(struct dentry *dentry)
 {
-       return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->wdi_dentry;
+       return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry;
 }
 
 static inline void
 ecryptfs_set_dentry_lower(struct dentry *dentry, struct dentry *lower_dentry)
 {
-       ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->wdi_dentry =
+       ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry =
                lower_dentry;
 }
 
 static inline struct vfsmount *
 ecryptfs_dentry_to_lower_mnt(struct dentry *dentry)
 {
-       return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_mnt;
+       return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.mnt;
 }
 
 static inline void
 ecryptfs_set_dentry_lower_mnt(struct dentry *dentry, struct vfsmount *lower_mnt)
 {
-       ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_mnt =
+       ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.mnt =
                lower_mnt;
 }
 
@@ -413,9 +413,6 @@ int ecryptfs_encode_filename(struct ecryptfs_crypt_stat *crypt_stat,
                             const char *name, int length,
                             char **encoded_name);
 struct dentry *ecryptfs_lower_dentry(struct dentry *this_dentry);
-void ecryptfs_copy_attr_atime(struct inode *dest, const struct inode *src);
-void ecryptfs_copy_attr_all(struct inode *dest, const struct inode *src);
-void ecryptfs_copy_inode_size(struct inode *dst, const struct inode *src);
 void ecryptfs_dump_hex(char *data, int bytes);
 int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg,
                        int sg_size);
@@ -482,5 +479,9 @@ ecryptfs_process_cipher(struct crypto_blkcipher **key_tfm, char *cipher_name,
 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);
+int ecryptfs_open_lower_file(struct file **lower_file,
+                            struct dentry *lower_dentry,
+                            struct vfsmount *lower_mnt, int flags);
+int ecryptfs_close_lower_file(struct file *lower_file);
 
 #endif /* #ifndef ECRYPTFS_KERNEL_H */