trim tell harddisk that those block are not in use not in use block can be used by harddisk reallocation algorithm, like spare sectors hard disks can use TRIM command to 'create' 'good' blocks like spare sectors -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
