ax-fs-ng 0.5.6

ArceOS filesystem module
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use ax_driver::{AxBlockDevice, PartitionRegion};
use axfs_ng_vfs::{Filesystem, VfsResult};

cfg_if::cfg_if! {
    if #[cfg(feature = "ext4")] {
        mod ext4;
        type DefaultFilesystem = ext4::Ext4Filesystem;
    } else if #[cfg(feature = "fat")] {
        mod fat;
        type DefaultFilesystem = fat::FatFilesystem;
    } else {
        struct DefaultFilesystem;
        impl DefaultFilesystem {
            pub fn new(_dev: AxBlockDevice, _region: PartitionRegion) -> VfsResult<Filesystem> {
                panic!("No filesystem feature enabled");
            }
        }
    }
}

pub fn new_default(dev: AxBlockDevice, region: PartitionRegion) -> VfsResult<Filesystem> {
    DefaultFilesystem::new(dev, region)
}