Add resizing support

Cargo.lock

@@ -295,6 +295,15 @@ dependencies = [
  "wasi 0.14.7+wasi-0.2.4",
 ]
 
+[[package]]
+name = "humansize"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6cb51c9a029ddc91b07a787f1d86b53ccfa49b0e86688c946ebe8d3555685dd7"
+dependencies = [
+ "libm",
+]
+
 [[package]]
 name = "inout"
 version = "0.1.4"
@@ -340,6 +349,12 @@ version = "0.2.176"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
 
+[[package]]
+name = "libm"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
+
 [[package]]
 name = "libredox"
 version = "0.1.10"
@@ -397,6 +412,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "parse-size"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "487f2ccd1e17ce8c1bfab3a65c89525af41cfad4c8659021a1e9a2aacd73b89b"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.32"
@@ -525,10 +546,12 @@ dependencies = [
  "env_logger",
  "fuser",
  "getrandom 0.2.16",
+ "humansize",
  "libc",
  "libredox",
  "log",
  "lz4_flex",
+ "parse-size",
  "range-tree",
  "redox-path",
  "redox-scheme",