btrfs_qgroup_trace_subtree_after_cow 1524 fs/btrfs/ctree.c 	btrfs_qgroup_trace_subtree_after_cow(trans, root, buf);
btrfs_qgroup_trace_subtree_after_cow  415 fs/btrfs/qgroup.h int btrfs_qgroup_trace_subtree_after_cow(struct btrfs_trans_handle *trans,