diff --git a/Cargo.lock b/Cargo.lock
index b4814c2..f831968 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,9 +1,9 @@
 [[package]]
 name = "aho-corasick"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -12,13 +12,26 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "atty"
-version = "0.2.2"
+name = "ansi_term"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "arrayvec"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -28,20 +41,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bitflags"
-version = "0.9.1"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "blake2-rfc"
-version = "0.2.17"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "constant_time_eq 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "byteorder"
-version = "1.1.0"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -49,74 +68,75 @@ name = "chrono"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "chunking"
 version = "0.1.0"
 dependencies = [
- "quick-error 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "clap"
-version = "2.26.0"
+version = "2.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "atty 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "term_size 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "textwrap 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-segmentation 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "constant_time_eq"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "conv"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "custom_derive 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "crossbeam"
-version = "0.2.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "custom_derive"
-version = "0.1.7"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "filetime"
-version = "0.1.10"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "fuse"
-version = "0.3.0"
+name = "fuchsia-zircon"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "fuse"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -124,7 +144,7 @@ name = "index"
 version = "0.1.0"
 dependencies = [
  "mmap 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "quick-error 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -138,7 +158,12 @@ dependencies = [
 
 [[package]]
 name = "lazy_static"
-version = "0.2.8"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "lazy_static"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -148,7 +173,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.28"
+version = "0.2.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -156,48 +181,37 @@ name = "libsodium-sys"
 version = "0.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "linked-hash-map"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "linked-hash-map"
-version = "0.4.2"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "log"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "magenta"
-version = "0.1.1"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "conv 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "magenta-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "magenta-sys"
-version = "0.1.1"
+name = "log"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "memchr"
-version = "1.0.1"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -206,7 +220,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempdir 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -214,36 +228,49 @@ name = "murmurhash3"
 version = "0.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "nodrop"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "num"
-version = "0.1.40"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-iter 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-iter 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.35"
+version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-iter"
-version = "0.1.34"
+version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.1.40"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -252,8 +279,8 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -264,70 +291,98 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "quick-error"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand"
-version = "0.3.16"
+version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "magenta 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.28"
+version = "0.1.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "regex"
-version = "0.2.2"
+name = "redox_termios"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "rmp"
-version = "0.8.6"
+name = "remove_dir_all"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rmp"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rmp-serde"
-version = "0.13.5"
+version = "0.13.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rmp 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rmp 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.11"
+version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_bytes"
-version = "0.10.1"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -335,19 +390,19 @@ name = "serde_utils"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_bytes 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_bytes 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_yaml"
-version = "0.7.1"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "linked-hash-map 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "yaml-rust 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "yaml-rust 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -355,9 +410,9 @@ name = "sodiumoxide"
 version = "0.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "libsodium-sys 0.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -366,49 +421,50 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "strsim"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "tar"
-version = "0.4.13"
+version = "0.4.14"
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 dependencies = [
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+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -419,29 +475,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
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index 13d70a8..27e11a8 100644
--- a/chunking/Cargo.lock
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index fb7ce5b..8bc6fa1 100644
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diff --git a/src/mount.rs b/src/mount.rs
index a2f049b..a1b5ded 100644
--- a/src/mount.rs
+++ b/src/mount.rs
@@ -533,7 +533,7 @@ impl<'a> fuse::Filesystem for FuseFilesystem<'a> {
         _req: &fuse::Request,
         ino: u64,
         _fh: u64,
-        mut offset: u64,
+        mut offset: i64,
         mut size: u32,
         reply: fuse::ReplyData,
     ) {
@@ -552,8 +552,8 @@ impl<'a> fuse::Filesystem for FuseFilesystem<'a> {
         if let Some(ref chunks) = inode.chunks {
             let mut data = Vec::with_capacity(size as usize);
             for &(hash, len) in chunks.iter() {
-                if u64::from(len) <= offset {
-                    offset -= u64::from(len);
+                if i64::from(len) <= offset {
+                    offset -= i64::from(len);
                     continue;
                 }
                 let chunk = match fuse_try!(self.repository.get_chunk(hash), reply) {
@@ -582,7 +582,7 @@ impl<'a> fuse::Filesystem for FuseFilesystem<'a> {
         _req: &fuse::Request,
         _ino: u64,
         _fh: u64,
-        _offset: u64,
+        _offset: i64,
         _data: &[u8],
         _flags: u32,
         reply: fuse::ReplyWrite,
@@ -653,7 +653,7 @@ impl<'a> fuse::Filesystem for FuseFilesystem<'a> {
         _req: &fuse::Request,
         ino: u64,
         _fh: u64,
-        offset: u64,
+        offset: i64,
         mut reply: fuse::ReplyDirectory,
     ) {
         let dir = inode!(self, ino, reply);
@@ -663,7 +663,7 @@ impl<'a> fuse::Filesystem for FuseFilesystem<'a> {
                 if i < offset as usize {
                     continue;
                 }
-                if reply.add(num, i as u64 + 1, file_type, &Path::new(&name)) {
+                if reply.add(num, i as i64 + 1, file_type, &Path::new(&name)) {
                     break;
                 }
             }