moved the Rc<RefCell<>> back into FatFs

fat-bits/src/bpb.rs

@@ -236,6 +236,7 @@ impl Bpb {
         if self.fat_type() == FatType::Fat32 {
             return None;
         }
+
         Some(self.fat_offset() + self.sector_to_offset(self.num_fats() as u32 * self.fat_size()))
     }
 

fat-bits/src/lib.rs

@@ -98,8 +98,15 @@ pub struct FatFs {
     fat: fat::Fat,
 }
 
+unsafe impl Send for FatFs {}
+
 impl FatFs {
-    pub fn load(data: Rc<RefCell<dyn SliceLike>>) -> anyhow::Result<FatFs> {
+    pub fn load<S>(data: S) -> anyhow::Result<FatFs>
+    where
+        S: SliceLike + Send + 'static,
+    {
+        let data = Rc::new(RefCell::new(data));
+
         let mut bpb_bytes = [0; 512];
 
         data.borrow_mut().read_at_offset(0, &mut bpb_bytes)?;

fat-dump/src/main.rs

@@ -22,7 +22,7 @@ pub fn main() -> anyhow::Result<()> {
 
     // println!("{}", bpb);
 
-    let fat_fs = FatFs::load(Rc::new(RefCell::new(file)))?;
+    let fat_fs = FatFs::load(file)?;
 
     println!("{}", fat_fs.bpb());
     println!();

fat-fuse/src/lib.rs

@@ -26,7 +26,10 @@ pub struct FatFuse {
 }
 
 impl FatFuse {
-    pub fn new(data: Rc<RefCell<dyn SliceLike>>) -> anyhow::Result<FatFuse> {
+    pub fn new<S>(data: S) -> anyhow::Result<FatFuse>
+    where
+        S: SliceLike + Send + 'static,
+    {
         let uid = unsafe { libc::getuid() };
         let gid = unsafe { libc::getgid() };
 

fat-mount/src/main.rs

@@ -15,7 +15,7 @@ fn main() -> anyhow::Result<()> {
 
     let file = File::open(path)?;
 
-    let fat_fuse = FatFuse::new(Rc::new(RefCell::new(file)))?;
+    let fat_fuse = FatFuse::new(file)?;
 
     let options = vec![
         MountOption::RO,