From b038770579fb0d70525d592fcd52533a05bc329e Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Mon, 21 Sep 2015 11:33:30 -0700
Subject: [PATCH] btrfsProgs: 4.2.0 -> 4.2.1

---
 pkgs/tools/filesystems/btrfsprogs/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/filesystems/btrfsprogs/default.nix b/pkgs/tools/filesystems/btrfsprogs/default.nix
index b217b43524b3..d0fac3c93c91 100644
--- a/pkgs/tools/filesystems/btrfsprogs/default.nix
+++ b/pkgs/tools/filesystems/btrfsprogs/default.nix
@@ -2,14 +2,14 @@
 , asciidoc, xmlto, docbook_xml_dtd_45, docbook_xsl, libxslt
 }:
 
-let version = "4.2"; in
+let version = "4.2.1"; in
 
 stdenv.mkDerivation rec {
   name = "btrfs-progs-${version}";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/people/kdave/btrfs-progs/btrfs-progs-v${version}.tar.xz";
-    sha256 = "1glglnglwz1rz6zy54xwdm601n5csbd1g73lx0rz8ay5jhz3q8r5";
+    sha256 = "1nzyyfj84q98n7lf798k6695pbsd02hg2ffd1kgn8g3qcbwqhwar";
   };
 
   buildInputs = [