1 ext4 crypto: add encryption xattr support
3 From: Michael Halcrow <mhalcrow@google.com>
5 Signed-off-by: Michael Halcrow <mhalcrow@google.com>
6 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
7 diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
8 index 29bedf5..ddc0957 100644
12 #define EXT4_XATTR_INDEX_SECURITY 6
13 #define EXT4_XATTR_INDEX_SYSTEM 7
14 #define EXT4_XATTR_INDEX_RICHACL 8
15 +#define EXT4_XATTR_INDEX_ENCRYPTION 9
17 struct ext4_xattr_header {
18 __le32 h_magic; /* magic number for identification */
19 @@ -98,6 +99,8 @@ extern const struct xattr_handler ext4_xattr_user_handler;
20 extern const struct xattr_handler ext4_xattr_trusted_handler;
21 extern const struct xattr_handler ext4_xattr_security_handler;
23 +#define EXT4_XATTR_NAME_ENCRYPTION_CONTEXT "c"
25 extern ssize_t ext4_listxattr(struct dentry *, char *, size_t);
27 extern int ext4_xattr_get(struct inode *, int, const char *, void *, size_t);