- the amount of data sent over the socket by a considerable margin, and
- moves the in-memory storage of the device+inode information from the
- receiving side (for protocols < 30) to the sending side (note that
- older rsync versions kept the device+inode information on both
- sides).
+ the amount of data sent over the socket by a considerable margin
+ (rather than adding more data), and limits the in-memory storage of
+ the device+inode information to just the sending side for the new
+ protocol 30, or to the receiving side when speaking an older protocol
+ (note that older rsync versions kept the device+inode information on
+ both sides).