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-rw-r--r--gnu/system/file-systems.scm29
-rw-r--r--gnu/system/linux-initrd.scm23
2 files changed, 29 insertions, 23 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 8107722c74..bbac23fbdf 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -22,8 +22,6 @@
   #:use-module (guix records)
   #:use-module ((gnu build file-systems)
                 #:select (string->uuid uuid->string))
-  #:use-module (gnu packages linux)
-  #:use-module (gnu packages disk)
   #:re-export (string->uuid
                uuid->string)
   #:export (<file-system>
@@ -41,6 +39,8 @@
             file-system-create-mount-point?
             file-system-dependencies
 
+            file-system-type-predicate
+
             file-system->spec
             spec->file-system
             specification->file-system-mapping
@@ -67,8 +67,6 @@
 
             file-system-mapping->bind-mount
 
-            file-system-packages
-
             %store-mapping
             %network-configuration-files
             %network-file-mappings))
@@ -77,6 +75,9 @@
 ;;;
 ;;; Declaring file systems to be mounted.
 ;;;
+;;; Note: this file system is used both in the Shepherd and on the "host
+;;; side", so it must not include (gnu packages …) modules.
+;;;
 ;;; Code:
 
 ;; File system declaration.
@@ -416,25 +417,9 @@ a bind mount."
               %network-configuration-files))
 
 (define (file-system-type-predicate type)
+  "Return a predicate that, when passed a file system, returns #t if that file
+system has the given TYPE."
   (lambda (fs)
     (string=? (file-system-type fs) type)))
 
-(define* (file-system-packages file-systems #:key (volatile-root? #f))
- `(,@(if (find (lambda (fs)
-                 (string-prefix? "ext" (file-system-type fs)))
-               file-systems)
-         (list e2fsck/static)
-         '())
-   ,@(if (find (lambda (fs)
-                 (string-suffix? "fat" (file-system-type fs)))
-               file-systems)
-         (list fatfsck/static)
-         '())
-   ,@(if (find (file-system-type-predicate "btrfs") file-systems)
-         (list btrfs-progs/static)
-         '())
-   ,@(if volatile-root?
-         (list unionfs-fuse/static)
-         '())))
-
 ;;; file-systems.scm ends here
diff --git a/gnu/system/linux-initrd.scm b/gnu/system/linux-initrd.scm
index 1f1c306828..dfe198e43e 100644
--- a/gnu/system/linux-initrd.scm
+++ b/gnu/system/linux-initrd.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
@@ -43,6 +43,7 @@
   #:use-module (srfi srfi-26)
   #:export (expression->initrd
             raw-initrd
+            file-system-packages
             base-initrd))
 
 
@@ -199,6 +200,26 @@ to it are lost."
                         #:volatile-root? '#$volatile-root?)))
      #:name "raw-initrd")))
 
+(define* (file-system-packages file-systems #:key (volatile-root? #f))
+  "Return the list of statically-linked, stripped packages to check
+FILE-SYSTEMS."
+  `(,@(if (find (lambda (fs)
+                  (string-prefix? "ext" (file-system-type fs)))
+                file-systems)
+          (list e2fsck/static)
+          '())
+    ,@(if (find (lambda (fs)
+                  (string-suffix? "fat" (file-system-type fs)))
+                file-systems)
+          (list fatfsck/static)
+          '())
+    ,@(if (find (file-system-type-predicate "btrfs") file-systems)
+          (list btrfs-progs/static)
+          '())
+    ,@(if volatile-root?
+          (list unionfs-fuse/static)
+          '())))
+
 (define* (base-initrd file-systems
                       #:key
                       (linux linux-libre)