mount more ext4fs

Author: Josen-B

modules/axfs/src/dev.rs

@@ -123,7 +123,7 @@ impl Partition {
         (self.end_lba - self.start_lba + 1) * BLOCK_SIZE as u64
     }
 
-    /// Get the position of the cursor.
+/// Get position of cursor.
     pub fn position(&self) -> u64 {
         self.position
     }
@@ -133,6 +133,11 @@ impl Partition {
         self.position = pos.min(self.size());
     }
 
+    /// Get the starting LBA of the partition.
+    pub fn start_lba(&self) -> u64 {
+        self.start_lba
+    }
+
     /// Read within one block, returns the number of bytes read.
     pub fn read_one(&mut self, buf: &mut [u8]) -> DevResult<usize> {
         if self.position >= self.size() {

modules/axfs/src/fs/ext4fs.rs

@@ -1,5 +1,7 @@
 use crate::alloc::string::{String, ToString};
+
 use alloc::sync::Arc;
+use alloc::format;
 pub use axdriver_block::DevError;
 use axerrno::AxError;
 use axfs_vfs::{
@@ -59,7 +61,11 @@ impl Ext4FileSystem {
             partition.size(),
             partition.position()
         );
-        let inner = Ext4BlockWrapper::<Partition>::new(partition)
+        // Use a unique device name for each partition to avoid conflicts
+        // Use the start LBA as a unique identifier
+        let start_lba = partition.start_lba();
+        let device_name = format!("device_{}", start_lba);
+        let inner = Ext4BlockWrapper::<Partition>::new_with_name(partition, &device_name)
             .expect("failed to initialize EXT4 filesystem on partition");
         let root = Arc::new(FileWrapper::new("/", InodeTypes::EXT4_DE_DIR));
         Ext4FileSystemPartition { inner, root }

modules/axfs/src/partition.rs

@@ -286,13 +286,6 @@ fn detect_filesystem_type(disk: &mut Disk, start_lba: u64) -> Option<FilesystemT
     // Restore position
     disk.set_position(original_position);
 
-    // Debug: print first bytes of boot sector
-    debug!(
-        "Boot sector at LBA {}: first 64 bytes: {:?}",
-        start_lba,
-        &boot_sector[..64]
-    );
-
     // Check for FAT filesystem
     if is_fat_filesystem(&boot_sector) {
         debug!("Detected FAT filesystem at LBA {}", start_lba);