btrfs_del_qgroup_relation 4817 fs/btrfs/ioctl.c 		ret = btrfs_del_qgroup_relation(trans, sa->src, sa->dst);
btrfs_del_qgroup_relation  243 fs/btrfs/qgroup.h int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans, u64 src,