gnu: Add f2fs-tools.

* gnu/packages/linux.scm (f2fs-tools): New variable.

gnu/packages/linux.scm

@@ -3219,6 +3219,42 @@ repair and easy administration.")
 from the btrfs-progs package.  It is meant to be used in initrds.")
     (license (package-license btrfs-progs))))
 
+(define-public f2fs-tools
+  (package
+    (name "f2fs-tools")
+    (version "1.8.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://git.kernel.org/cgit/linux/kernel/git/jaegeuk"
+                    "/f2fs-tools.git/snapshot/" name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1bir9ladb58ijlcvrjrq1fb1xv5ys50zdjaq0yzliib0apsyrnyl"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'bootstrap
+           (lambda _
+             (zero? (system* "autoreconf" "-vif")))))))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("libtool" ,libtool)
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("libuuid" ,util-linux)))
+    (home-page "https://f2fs.wiki.kernel.org/")
+    (synopsis "Userland tools for f2fs")
+    (description
+     "F2FS, the Flash-Friendly File System, is a modern file system
+designed to be fast and durable on flash devices such as solid-state
+disks and SD cards.  This package provides the userland utilities.")
+    ;; The formatting utility, libf2fs and include/f2fs_fs.h is dual
+    ;; GPL2/LGPL2.1, everything else is GPL2 only. See 'COPYING'.
+    (license (list license:gpl2 license:lgpl2.1))))
+
 (define-public freefall
   (package
     (name "freefall")