為了效能關掉 ext4 的 日誌功能 : disable/enable journaling on an ext4 filesystem
URL : http://cybergav.in/2011/11/15/how-to-disableenable-journaling-on-an-ext4-filesystem/
URL : http://cybergav.in/2011/11/15/how-to-disableenable-journaling-on-an-ext4-filesystem/