ksud: determine modules's size by checking partion size

userspace/ksud/Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -591,6 +591,16 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "fs4"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c29c30684418547d476f0b48e84f4821639119c483b1eccd566c8cd0cd05f521"
+dependencies = [
+ "rustix 0.38.41",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -806,6 +816,7 @@ dependencies = [
  "encoding_rs",
  "env_logger",
  "extattr",
+ "fs4",
  "getopts",
  "hole-punch",
  "humansize",