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authorDavid S. Miller <davem@davemloft.net>2010-04-21 01:14:25 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-21 01:14:25 -0700
commit87eb367003887cdc81a5d183efea227b5b488961 (patch)
tree40f617e25a9364d573e3cd2189c9e7fa56c8a0fe /fs/ecryptfs/ecryptfs_kernel.h
parentccb7c7732e2ceb4e81a7806faf1670be9681ccd2 (diff)
parent05d17608a69b3ae653ea5c9857283bef3439c733 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-6000.c net/core/dev.c
Diffstat (limited to 'fs/ecryptfs/ecryptfs_kernel.h')
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 542f625312f..bc7115403f3 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -273,7 +273,7 @@ struct ecryptfs_crypt_stat {
u32 flags;
unsigned int file_version;
size_t iv_bytes;
- size_t num_header_bytes_at_front;
+ size_t metadata_size;
size_t extent_size; /* Data extent size; default is 4096 */
size_t key_size;
size_t extent_shift;
@@ -464,6 +464,14 @@ struct ecryptfs_daemon {
extern struct mutex ecryptfs_daemon_hash_mux;
+static inline size_t
+ecryptfs_lower_header_size(struct ecryptfs_crypt_stat *crypt_stat)
+{
+ if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
+ return 0;
+ return crypt_stat->metadata_size;
+}
+
static inline struct ecryptfs_file_info *
ecryptfs_file_to_private(struct file *file)
{
@@ -651,6 +659,9 @@ int ecryptfs_decrypt_page(struct page *page);
int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry);
int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry);
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,