68539bd0e73b ("btrfs: update comment for struct btrfs_inode::lock")
398fb9131f31 ("btrfs: reorder btrfs_inode to fill gaps")
fa4b8cb17380 ("btrfs: avoid iterating over all indexes when logging directory")
6afaed53cc9a ("btrfs: simplify update of last_dir_index_offset when logging a directory")