f2fs crypto: add encryption xattr support

This patch add some definition for enrcyption xattr.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/xattr.h b/fs/f2fs/xattr.h
index 969d792ca36229b6871aae29fb31406fab15ffe6..71a7100d5492e830125b32f560c5021bb6ada30a 100644 (file)
--- a/fs/f2fs/xattr.h
+++ b/fs/f2fs/xattr.h
@@ -35,6 +35,10 @@
 #define F2FS_XATTR_INDEX_LUSTRE                        5
 #define F2FS_XATTR_INDEX_SECURITY              6
 #define F2FS_XATTR_INDEX_ADVISE                        7
+/* Should be same as EXT4_XATTR_INDEX_ENCRYPTION */
+#define F2FS_XATTR_INDEX_ENCRYPTION            9
+
+#define F2FS_XATTR_NAME_ENCRYPTION_CONTEXT     "c"
 
 struct f2fs_xattr_header {
        __le32  h_magic;        /* magic number for identification */