13 duplicated lines in:
  - btrfs/ioctl.c (889:901, <1%)
  - namei.c (2869:2881, <1%)

6 duplicated lines in:
  - btrfs/ioctl.c (879:885, <1%)
  - namei.c (2858:2864, <1%)

6 duplicated lines in:
  - btrfs/ioctl.c (909:914, <1%)
  - namei.c (2898:2904, <1%)