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[3/8] progs: add inode encryption contexts

Message ID 5f7ac56467a214aa5d754614b5cf419fe6889fdb.1688068150.git.sweettea-kernel@dorminy.me (mailing list archive)
State New, archived
Headers show
Series [1/8] progs: add new FEATURE_INCOMPAT_ENCRYPT flag | expand

Commit Message

Sweet Tea Dorminy June 29, 2023, 7:58 p.m. UTC 
From: Omar Sandoval <osandov@osandov.com>

Recapitulates relevant parts of kernel change 'btrfs: add inode
encryption contexts'.

Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
---
 kernel-shared/uapi/btrfs_tree.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/kernel-shared/uapi/btrfs_tree.h b/kernel-shared/uapi/btrfs_tree.h
index ad555e70..2df7cfec 100644
--- a/kernel-shared/uapi/btrfs_tree.h
+++ b/kernel-shared/uapi/btrfs_tree.h
@@ -162,6 +162,8 @@ 
 #define BTRFS_VERITY_DESC_ITEM_KEY	36
 #define BTRFS_VERITY_MERKLE_ITEM_KEY	37
 
+#define BTRFS_FSCRYPT_CTXT_ITEM_KEY	41
+
 #define BTRFS_ORPHAN_ITEM_KEY		48
 /* reserve 2-15 close to the inode for later flexibility */
 
@@ -400,6 +402,7 @@  static inline __u8 btrfs_dir_flags_to_ftype(__u8 flags)
 #define BTRFS_INODE_NOATIME		(1U << 9)
 #define BTRFS_INODE_DIRSYNC		(1U << 10)
 #define BTRFS_INODE_COMPRESS		(1U << 11)
+#define BTRFS_INODE_ENCRYPT	(1U << 12)
 
 #define BTRFS_INODE_ROOT_ITEM_INIT	(1U << 31)
 
@@ -416,6 +419,7 @@  static inline __u8 btrfs_dir_flags_to_ftype(__u8 flags)
 	 BTRFS_INODE_NOATIME |						\
 	 BTRFS_INODE_DIRSYNC |						\
 	 BTRFS_INODE_COMPRESS |						\
+	 BTRFS_INODE_ENCRYPT |						\
 	 BTRFS_INODE_ROOT_ITEM_INIT)
 
 #define BTRFS_INODE_RO_VERITY		(1U << 0)
@@ -1016,6 +1020,12 @@  enum {
 	BTRFS_NR_FILE_EXTENT_TYPES = 3,
 };
 
+enum {
+	BTRFS_ENCRYPTION_NONE,
+	BTRFS_ENCRYPTION_FSCRYPT,
+	BTRFS_NR_ENCRYPTION_TYPES,
+};
+
 struct btrfs_file_extent_item {
 	/*
 	 * transaction id that created this extent