mke2fs -n /dev/sda2

Filesystem label=

OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
91037696 inodes, 364121856 blocks
18206092 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
11113 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848