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[PATCH-v2,05/20] ext4 crypto: add encryption xattr support

Message ID 1428894996-7852-6-git-send-email-tytso@mit.edu
State Accepted, archived
Headers show

Commit Message

Theodore Ts'o April 13, 2015, 3:16 a.m. UTC 
From: Michael Halcrow <mhalcrow@google.com>

Change-Id: Icec301ab73c83e647c184f3b33aa0be76228dfcc
Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/xattr.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 29bedf5..ddc0957 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -23,6 +23,7 @@ 
 #define EXT4_XATTR_INDEX_SECURITY	        6
 #define EXT4_XATTR_INDEX_SYSTEM			7
 #define EXT4_XATTR_INDEX_RICHACL		8
+#define EXT4_XATTR_INDEX_ENCRYPTION		9
 
 struct ext4_xattr_header {
 	__le32	h_magic;	/* magic number for identification */
@@ -98,6 +99,8 @@  extern const struct xattr_handler ext4_xattr_user_handler;
 extern const struct xattr_handler ext4_xattr_trusted_handler;
 extern const struct xattr_handler ext4_xattr_security_handler;
 
+#define EXT4_XATTR_NAME_ENCRYPTION_CONTEXT "c"
+
 extern ssize_t ext4_listxattr(struct dentry *, char *, size_t);
 
 extern int ext4_xattr_get(struct inode *, int, const char *, void *, size_t);