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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu system file-systems)
#:use-module (guix records)
#:export (<file-system>
file-system
file-system?
file-system-device
file-system-title
file-system-mount-point
file-system-type
file-system-needed-for-boot?
file-system-flags
file-system-options
file-system-check?
file-system-create-mount-point?
%fuse-control-file-system
%binary-format-file-system
%shared-memory-file-system
%pseudo-terminal-file-system
%devtmpfs-file-system
%base-file-systems))
;;; Commentary:
;;;
;;; Declaring file systems to be mounted.
;;;
;;; Code:
;; File system declaration.
(define-record-type* <file-system> file-system
make-file-system
file-system?
(device file-system-device) ; string
(title file-system-title ; 'device | 'label | 'uuid
(default 'device))
(mount-point file-system-mount-point) ; string
(type file-system-type) ; string
(flags file-system-flags ; list of symbols
(default '()))
(options file-system-options ; string or #f
(default #f))
(needed-for-boot? file-system-needed-for-boot? ; Boolean
(default #f))
(check? file-system-check? ; Boolean
(default #t))
(create-mount-point? file-system-create-mount-point? ; Boolean
(default #f)))
(define %fuse-control-file-system
;; Control file system for Linux' file systems in user-space (FUSE).
(file-system
(device "fusectl")
(mount-point "/sys/fs/fuse/connections")
(type "fusectl")
(check? #f)))
(define %binary-format-file-system
;; Support for arbitrary executable binary format.
(file-system
(device "binfmt_misc")
(mount-point "/proc/sys/fs/binfmt_misc")
(type "binfmt_misc")
(check? #f)))
(define %devtmpfs-file-system
;; /dev as a 'devtmpfs' file system, needed for udev.
(file-system
(device "none")
(mount-point "/dev")
(type "devtmpfs")
(check? #f)
;; Mount it from the initrd so /dev/pts & co. can then be mounted over it.
(needed-for-boot? #t)))
(define %tty-gid
;; ID of the 'tty' group. Allocate it statically to make it easy to refer
;; to it from here and from the 'tty' group definitions.
996)
(define %pseudo-terminal-file-system
;; The pseudo-terminal file system. It needs to be mounted so that
;; statfs(2) returns DEVPTS_SUPER_MAGIC like libc's getpt(3) expects (and
;; thus openpty(3) and its users, such as xterm.)
(file-system
(device "none")
(mount-point "/dev/pts")
(type "devpts")
(check? #f)
(needed-for-boot? #f)
(create-mount-point? #t)
(options (string-append "gid=" (number->string %tty-gid) ",mode=620"))))
(define %shared-memory-file-system
;; Shared memory.
(file-system
(device "tmpfs")
(mount-point "/dev/shm")
(type "tmpfs")
(check? #f)
(flags '(no-suid no-dev))
(options "size=50%") ;TODO: make size configurable
(create-mount-point? #t)))
(define %base-file-systems
;; List of basic file systems to be mounted. Note that /proc and /sys are
;; currently mounted by the initrd.
(list %devtmpfs-file-system
%pseudo-terminal-file-system
%shared-memory-file-system))
;;; file-systems.scm ends here
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