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-rw-r--r--gnu/services/base.scm19
1 files changed, 18 insertions, 1 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 65f7ff29c8..952f6f9ab2 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -510,13 +510,30 @@ FILE-SYSTEM."
(cons* sink user-unmount
(map file-system-shepherd-service file-systems))))
+(define (file-system-fstab-entries file-systems)
+ "Return the subset of @var{file-systems} that should have an entry in
+@file{/etc/fstab}."
+ ;; /etc/fstab is about telling fsck(8), mount(8), and umount(8) about
+ ;; relevant file systems they'll have to deal with. That excludes "pseudo"
+ ;; file systems.
+ ;;
+ ;; In particular, things like GIO (part of GLib) use it to determine the set
+ ;; of mounts, which is then used by graphical file managers and desktop
+ ;; environments to display "volume" icons. Thus, we really need to exclude
+ ;; those pseudo file systems from the list.
+ (remove (lambda (file-system)
+ (or (member (file-system-type file-system)
+ %pseudo-file-system-types)
+ (memq 'bind-mount (file-system-flags file-system))))
+ file-systems))
+
(define file-system-service-type
(service-type (name 'file-systems)
(extensions
(list (service-extension shepherd-root-service-type
file-system-shepherd-services)
(service-extension fstab-service-type
- identity)
+ file-system-fstab-entries)
;; Have 'user-processes' depend on 'file-systems'.
(service-extension user-processes-service-type