is_sb 525 fs/btrfs/tree-checker.c bool is_sb; is_sb 532 fs/btrfs/tree-checker.c is_sb = (leaf->start == BTRFS_SUPER_INFO_OFFSET); is_sb 534 fs/btrfs/tree-checker.c if (!is_sb) { is_sb 551 fs/btrfs/tree-checker.c if (is_sb)