BTRFS_INODE_FLAG_MASK 820 fs/btrfs/tree-checker.c if (btrfs_inode_flags(leaf, iitem) & ~BTRFS_INODE_FLAG_MASK) { BTRFS_INODE_FLAG_MASK 824 fs/btrfs/tree-checker.c ~BTRFS_INODE_FLAG_MASK);