Update to v4.17.3 kernel headers.
Test: Builds, boots on a walleye.
Change-Id: I389d8b61ec00ea309e38d1b1a2e0dace48c21edb
diff --git a/libc/kernel/uapi/linux/btrfs_tree.h b/libc/kernel/uapi/linux/btrfs_tree.h
index c2fbd40..6a461ec 100644
--- a/libc/kernel/uapi/linux/btrfs_tree.h
+++ b/libc/kernel/uapi/linux/btrfs_tree.h
@@ -164,6 +164,8 @@
#define BTRFS_SUPER_FLAG_ERROR (1ULL << 2)
#define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32)
#define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33)
+#define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34)
+#define BTRFS_SUPER_FLAG_CHANGING_FSID (1ULL << 35)
struct btrfs_extent_item {
__le64 refs;
__le64 generation;