[PATCH v3 3/7] btrfs-progs: add inode encryption contexts

Daniel Vacek <[email protected]> Tue, 7 Jul 2026 16:27:32 +0200
Newsgroups org.kernel.vger.linux-fscrypt,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
From: Sweet Tea Dorminy <[email protected]>

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

Signed-off-by: Sweet Tea Dorminy <[email protected]>
Signed-off-by: Daniel Vacek <[email protected]>
---
 kernel-shared/uapi/btrfs_tree.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel-shared/uapi/btrfs_tree.h b/kernel-shared/uapi/btrfs_tree.h
index 74d307f1..b4532237 100644
--- a/kernel-shared/uapi/btrfs_tree.h
+++ b/kernel-shared/uapi/btrfs_tree.h
@@ -168,6 +168,9 @@
 #define BTRFS_VERITY_DESC_ITEM_KEY	36
 #define BTRFS_VERITY_MERKLE_ITEM_KEY	37
 
+#define BTRFS_FSCRYPT_INODE_CTX_KEY	41
+#define BTRFS_FSCRYPT_CTX_KEY		42
+
 #define BTRFS_ORPHAN_ITEM_KEY		48
 /* reserve 2-15 close to the inode for later flexibility */
 
@@ -428,6 +431,7 @@ 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)
 
@@ -444,6 +448,7 @@ 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)
-- 
2.53.0