Cargo fix.

src/blocked_device.rs

@@ -10,7 +10,7 @@ pub trait BlockedDevice {
 
 macro_rules! try0 {
     ($len:expr, $res:expr) => {
-        if(!$res) {return Some($len);}
+        if !$res {return Some($len);}
     };
 }
 
@@ -24,7 +24,7 @@ impl<T: BlockedDevice> Device for T {
         };
 
         // For each block
-        for mut range in iter {
+        for range in iter {
             let len = range.origin_begin() - offset;
             let buf = &mut buf[range.origin_begin() - offset..range.origin_end() - offset];
             if range.is_full() {
@@ -51,7 +51,7 @@ impl<T: BlockedDevice> Device for T {
         };
 
         // For each block
-        for mut range in iter {
+        for range in iter {
             let len = range.origin_begin() - offset;
             let buf = &buf[range.origin_begin() - offset..range.origin_end() - offset];
             if range.is_full() {
@@ -121,7 +121,7 @@ mod test {
     #[test]
     fn write() {
         let mut buf: [u8; 16] = [0; 16];
-        let mut res: [u8; 6] = [3, 4, 5, 6, 7, 8];
+        let res: [u8; 6] = [3, 4, 5, 6, 7, 8];
 
         // all inside
         let ret = Device::write_at(&mut buf, 3, &res);

src/lib.rs

@@ -7,7 +7,6 @@
 #[cfg(any(test, feature = "std"))]
 #[macro_use]
 extern crate std;
-#[macro_use]
 extern crate alloc;
 extern crate bit_vec;
 #[macro_use]

src/sfs.rs

@@ -1,6 +1,6 @@
 use bit_vec::BitVec;
 use alloc::{boxed::Box, vec::Vec, collections::BTreeMap, sync::{Arc, Weak}, string::String};
-use core::mem::{uninitialized, size_of};
+use core::mem::uninitialized;
 use core::slice;
 use core::fmt::{Debug, Formatter, Error};
 use core::any::Any;
@@ -98,11 +98,11 @@ impl INodeImpl {
                 self._read_at(i as usize * BLKSIZE, entry.as_buf_mut()).unwrap();
                 (entry, i)
             })
-            .find(|(entry, id)| entry.name.as_ref() == name)
+            .find(|(entry, _)| entry.name.as_ref() == name)
             .map(|(entry, id)| (entry.id as INodeId, id as usize))
     }
     fn get_file_inode_id(&self, name: &str) -> Option<INodeId> {
-        self.get_file_inode_and_entry_id(name).map(|(inode_id, entry_id)| { inode_id })
+        self.get_file_inode_and_entry_id(name).map(|(inode_id, _)| inode_id)
     }
     /// Init dir content. Insert 2 init entries.
     /// This do not init nlinks, please modify the nlinks in the invoker.
@@ -248,7 +248,7 @@ impl INodeImpl {
 }
 
 impl vfs::INode for INodeImpl {
-    fn open(&self, flags: u32) -> vfs::Result<()> {
+    fn open(&self, _flags: u32) -> vfs::Result<()> {
         // Do nothing
         Ok(())
     }
@@ -339,7 +339,7 @@ impl vfs::INode for INodeImpl {
             inode.nlinks_dec(); //for .
             self.nlinks_dec();  //for ..
         }
-        self.remove_dirent_page(entry_id);
+        self.remove_dirent_page(entry_id)?;
 
         Ok(())
     }
@@ -401,7 +401,7 @@ impl vfs::INode for INodeImpl {
         dest._resize(old_size + BLKSIZE).unwrap();
         dest._write_at(old_size, entry.as_buf()).unwrap();
 
-        self.remove_dirent_page(entry_id);
+        self.remove_dirent_page(entry_id)?;
 
         if inode.info()?.type_ == vfs::FileType::Dir {
             self.nlinks_dec();
@@ -436,7 +436,7 @@ impl Drop for INodeImpl {
     fn drop(&mut self) {
         self.sync().expect("failed to sync");
         if self.disk_inode.read().nlinks <= 0 {
-            self._resize(0);
+            self._resize(0).unwrap();
             self.disk_inode.write().sync();
             self.fs.free_block(self.id);
         }
@@ -481,7 +481,7 @@ impl SimpleFileSystem {
         }.wrap())
     }
     /// Create a new SFS on blank disk
-    pub fn create(mut device: Box<Device>, space: usize) -> Arc<Self> {
+    pub fn create(device: Box<Device>, space: usize) -> Arc<Self> {
         let blocks = (space / BLKSIZE).min(BLKBITS);
         assert!(blocks >= 16, "space too small");
 

src/structs.rs

@@ -6,7 +6,7 @@ use core::fmt::{Debug, Formatter, Error};
 use alloc::str;
 
 /// On-disk superblock
-#[repr(C, packed)]
+#[repr(C)]
 #[derive(Debug)]
 pub struct SuperBlock {
     /// magic number, should be SFS_MAGIC
@@ -20,7 +20,7 @@ pub struct SuperBlock {
 }
 
 /// inode (on disk)
-#[repr(C, packed)]
+#[repr(C)]
 #[derive(Debug)]
 pub struct DiskINode {
     /// size of the file (in bytes)
@@ -41,13 +41,13 @@ pub struct DiskINode {
     pub db_indirect: u32,
 }
 
-#[repr(C, packed)]
+#[repr(C)]
 pub struct IndirectBlock {
     pub entries: [u32; BLK_NENTRY],
 }
 
 /// file entry (on disk)
-#[repr(C, packed)]
+#[repr(C)]
 #[derive(Debug)]
 pub struct DiskEntry {
     /// inode number

src/tests.rs

@@ -32,7 +32,7 @@ fn open_sample_file() {
 #[test]
 fn create_new_sfs() {
     let sfs = _create_new_sfs();
-    let root = sfs.root_inode();
+    let _root = sfs.root_inode();
 }
 
 // #[test]

src/vfs.rs

@@ -1,7 +1,4 @@
-use alloc::{vec::Vec, string::String, sync::{Arc, Weak}};
-use core::cell::RefCell;
-use core::mem::size_of;
-use core;
+use alloc::{vec::Vec, string::String, sync::Arc};
 use core::fmt::Debug;
 use core::any::Any;
 
@@ -57,7 +54,7 @@ impl INode {
         let mut rest_path = path;
         while rest_path != "" {
             assert_eq!(result.info()?.type_, FileType::Dir);
-            let mut name;
+            let name;
             match rest_path.find('/') {
                 None => {
                     name = rest_path;