1.用tune2fs查看block size大小：
12 | tune2fs -l /dev/sda1 |grep "Block size"Block size: 1024 |
2.用stat查看block size大小：
12 | stat /boot/|grep "IO Block"Size: 1024 Blocks: 2 IO Block: 1024 目录 |
12 | dumpe2fs /dev/sda1 |grep "Block size"Block size: 1024 |