- checkpointing (do we need this? scan is quite fast)
- make the scan code populate real inodes so read_inode just after
mount doesn't have to read the flash twice for large files.
- Make this a per-inode option, changable with chattr, so you can
+ Make this a per-inode option, changeable with chattr, so you can
decide which inodes should be in-core immediately after mount.
- test, test, test