use crate::prelude::*;
use super::*;
#[derive(Debug, Clone)]
pub struct SystemZone {
pub group: u32,
pub start_blk: u64,
pub end_blk: u64,
}
pub struct Ext4 {
pub block_device: Arc<dyn BlockDevice>,
pub super_block: Ext4Superblock,
pub system_zone_cache: Option<Vec<SystemZone>>,
}