Any disk related error messages in /var/log/messages ?
Its hard to know immediately where the problem is. Fsck tried to read from the disk, requesting a certain amount of data, but it did not get all the data expected.
This may be a corrupted FS, bad HD, bad HD controller.
Run disk diagnostics on the disk, to rule out hardware issues. No sense trying to fix an FS if the disk hardware is troubled. Your drive or HW vendor probably has diagnostic software you can download and use.