Update for rust-next, fix incorrect count decrease with low buffer size

Signed-off-by: Lux Amelia Phifollen <[email protected]>

Author: Lymkwi

Diff for: README.md

@@ -8,7 +8,7 @@ It is originally based on the [Rust for Linux out-of-tree-module template](https
 
 Because the `rust` branch is no longer maintained on RFL's tree, the abstractions this driver relied on are not yet present.
 
-In order to add them, apply [`missing-abstractions.diff`](./missing-abstractions.diff) over RFL's `rust-next`.
+In order to add them, apply [`missing-abstractions.patch`](./missing-abstractions.patch) over RFL's `rust-next`.
 
 It is very likely that the patch will not apply, especially as further abstractions are added.
 
@@ -26,3 +26,14 @@ make[1]: Entering directory '.../linux-with-rust-support'
   LD [M]  .../rust-foxes-module/rust_foxes.ko
 make[1]: Leaving directory '.../linux-with-rust-support'
 ```
+
+## Changelog
+
+- 2024-09-04
+  - Update abstraction patch for split rust helpers
+  - Update abstraction patch to use `kernel::uaccess` in place of legacy `kernel::user_ptr`
+  - Update `kernel::file` abstractions consequently
+  - Up-to-date with `rust-next`
+  - Fixed a bug where having a block size below 4 incorrectly decreased the remaining fox count even if a fox could not be entirely written
+  - Add a global count of foxes, the module has to be unloaded and reloaded for it to be reset
+  - Turn the diff file into a proper patch of the abstraction commit