total_ref_mod 704 fs/btrfs/delayed-ref.c old_ref_mod = existing->total_ref_mod; total_ref_mod 708 fs/btrfs/delayed-ref.c existing->total_ref_mod += update->ref_mod; total_ref_mod 719 fs/btrfs/delayed-ref.c if (existing->total_ref_mod >= 0 && old_ref_mod < 0) { total_ref_mod 723 fs/btrfs/delayed-ref.c if (existing->total_ref_mod < 0 && old_ref_mod >= 0) { total_ref_mod 778 fs/btrfs/delayed-ref.c head_ref->total_ref_mod = count_mod; total_ref_mod 850 fs/btrfs/delayed-ref.c *new_ref_mod = head_ref->total_ref_mod; total_ref_mod 95 fs/btrfs/delayed-ref.h int total_ref_mod; total_ref_mod 1779 fs/btrfs/extent-tree.c if (head->total_ref_mod < 0) {