block size is always 512 on rust

src/utils/platform.rs

@@ -1,12 +1,8 @@
 use std;
 
-#[cfg(not(any(target_os = "macos", target_os = "linux")))]
-pub fn get_block_size() -> u64 {
-    1024
-}
-
-#[cfg(any(target_os = "macos", target_os = "linux"))]
-pub fn get_block_size() -> u64 {
+fn get_block_size() -> u64 {
+    // All os specific implementations of MetatdataExt seem to define a block as 512 bytes
+    // https://doc.rust-lang.org/std/os/linux/fs/trait.MetadataExt.html#tymethod.st_blocks
     512
 }