~ruther/guix-local: gnu: system: Add elogind cgroup mount.

a7e50a2a03a7df90ca2eace6f2e990e0464b86f3 — Andy Wingo 10 years ago 0e2f2ae

gnu: system: Add elogind cgroup mount.

* gnu/system/file-systems.scm (%elogind-file-systems): Add elogind
  cgroup mount.

patch browse .tar.gz

1 files changed, 12 insertions(+), 1 deletions(-)

M gnu/system/file-systems.scm

M gnu/system/file-systems.scm => gnu/system/file-systems.scm +12 -1

@@ 232,7 232,18 @@ initrd code."
           (check? #f)
           (flags '(no-suid no-dev no-exec))
           (options "mode=0755")
-          (create-mount-point? #t))))
+          (create-mount-point? #t))
+        ;; Elogind uses cgroups to organize processes, allowing it to map PIDs
+        ;; to sessions.  Elogind's cgroup hierarchy isn't associated with any
+        ;; resource controller ("subsystem").
+        (file-system
+          (device "cgroup")
+          (mount-point "/sys/fs/cgroup/elogind")
+          (type "cgroup")
+          (check? #f)
+          (options "none,name=elogind")
+          (create-mount-point? #t)
+          (dependencies (list (car %control-groups))))))
 
 (define %base-file-systems
   ;; List of basic file systems to be mounted.  Note that /proc and /sys are