f2fs crypto: declare some definitions for f2fs encryption feature
This definitions will be used by inode and superblock for encyption.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index d44e97f..920408a 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -91,7 +91,9 @@
__u8 version[VERSION_LEN]; /* the kernel version */
__u8 init_version[VERSION_LEN]; /* the initial kernel version */
__le32 feature; /* defined features */
- __u8 reserved[888]; /* valid reserved region */
+ __u8 encryption_level; /* versioning level for encryption */
+ __u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
+ __u8 reserved[871]; /* valid reserved region */
} __packed;
/*