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[4/8] btrfs-progs: save and load fscrypt extent contexts

Message ID 09d097a9b94ebf658f552537c5db66a4c87a4f4d.1688068420.git.sweettea-kernel@dorminy.me (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: add encryption support | expand

Commit Message

Sweet Tea Dorminy June 29, 2023, 7:58 p.m. UTC 
Mirrors the relevant part of kernel change 'btrfs: save and load fscrypt
extent contexts' to progs.

Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
---
 kernel-shared/uapi/btrfs_tree.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/kernel-shared/uapi/btrfs_tree.h b/kernel-shared/uapi/btrfs_tree.h
index 2df7cfec..0e62f46b 100644
--- a/kernel-shared/uapi/btrfs_tree.h
+++ b/kernel-shared/uapi/btrfs_tree.h
@@ -1075,7 +1075,11 @@  struct btrfs_file_extent_item {
 	 * always reflects the size uncompressed and without encoding.
 	 */
 	__le64 num_bytes;
-
+	/*
+	 * fscrypt extent encryption context. Only present if extent is
+	 * encrypted (stored in the encryption field).
+	 */
+	__u8 fscrypt_context[0];
 } __attribute__ ((__packed__));
 
 struct btrfs_csum_item {