diff --git a/libc/kernel/uapi/linux/btrfs.h b/libc/kernel/uapi/linux/btrfs.h
index bbf530d..27564f8 100644
--- a/libc/kernel/uapi/linux/btrfs.h
+++ b/libc/kernel/uapi/linux/btrfs.h
@@ -185,6 +185,8 @@
 #define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11)
 #define BTRFS_FEATURE_INCOMPAT_ZONED (1ULL << 12)
 #define BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 (1ULL << 13)
+#define BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE (1ULL << 14)
+#define BTRFS_FEATURE_INCOMPAT_SIMPLE_QUOTA (1ULL << 16)
 struct btrfs_ioctl_feature_flags {
   __u64 compat_flags;
   __u64 compat_ro_flags;
@@ -382,6 +384,7 @@
 #define BTRFS_QUOTA_CTL_ENABLE 1
 #define BTRFS_QUOTA_CTL_DISABLE 2
 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
+#define BTRFS_QUOTA_CTL_ENABLE_SIMPLE_QUOTA 4
 struct btrfs_ioctl_quota_ctl_args {
   __u64 cmd;
   __u64 status;