pomoc s log file

Nasel jsem na disku tenhle soubor fs-check.log file:

fsck 1.40.2 (5-Jan-2008)
e2fsck 1.40.2 (5-Jan-2008)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
c: 42451/145637376 files (28.8% non-contiguous), 133228483/291250176 blocks

Kdo mi poradi co to znamena? Co je tech 28.8%? Je s tym treba neco delat? Za pomoc dekuji.