From a48d34504181e2f14cef3a5514d2319e60453a79 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Fri, 18 May 2018 10:11:17 +0200
Subject: file-systems: Do not export <file-system>.

* gnu/system/file-systems.scm (<file-system>): Do not export.
* gnu/system.scm (operating-system-root-file-system): Use an accessor
instead of 'match'.
---
 gnu/system.scm              | 5 ++---
 gnu/system/file-systems.scm | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/gnu/system.scm b/gnu/system.scm
index 1cf00aafcd..1052e9355d 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -842,9 +842,8 @@ hardware-related operations as necessary when booting a Linux container."
 
 (define (operating-system-root-file-system os)
   "Return the root file system of OS."
-  (find (match-lambda
-         (($ <file-system> device title "/") #t)
-         (x #f))
+  (find (lambda (fs)
+          (string=? "/" (file-system-mount-point fs)))
         (operating-system-file-systems os)))
 
 (define (operating-system-initrd-file os)
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index d2acd705de..93289dbd5d 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -25,8 +25,7 @@
   #:re-export (uuid                               ;backward compatibility
                string->uuid
                uuid->string)
-  #:export (<file-system>
-            file-system
+  #:export (file-system
             file-system?
             file-system-device
             file-system-title
-- 
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