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authorLudovic Courtès <ludo@gnu.org>2015-07-17 19:25:09 +0200
committerLudovic Courtès <ludo@gnu.org>2015-07-17 19:25:09 +0200
commitb78cad85d38efc4de3fa11651111dcf4b8467cdf (patch)
treed51109ea981e2c478f981f70c3c7661ab2475857 /gnu/system/file-systems.scm
parente51710d1efd406890285907876ad20ec787394b3 (diff)
downloadpatches-b78cad85d38efc4de3fa11651111dcf4b8467cdf.tar
patches-b78cad85d38efc4de3fa11651111dcf4b8467cdf.tar.gz
file-systems: Subsystem cgroups now depend on /sys/fs/cgroup.
* gnu/system/file-systems.scm (%control-groups): Define 'parent' variable. Initialize the 'dependencies' field for all the subsystems.
Diffstat (limited to 'gnu/system/file-systems.scm')
-rw-r--r--gnu/system/file-systems.scm35
1 files changed, 20 insertions, 15 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index a3230dce48..003eb443d1 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -237,21 +237,26 @@ UUID representation."
(flags '(read-only bind-mount))))
(define %control-groups
- (cons (file-system
- (device "cgroup")
- (mount-point "/sys/fs/cgroup")
- (type "tmpfs")
- (check? #f))
- (map (lambda (subsystem)
- (file-system
- (device "cgroup")
- (mount-point (string-append "/sys/fs/cgroup/" subsystem))
- (type "cgroup")
- (check? #f)
- (options subsystem)
- (create-mount-point? #t)))
- '("cpuset" "cpu" "cpuacct" "memory" "devices" "freezer"
- "blkio" "perf_event" "hugetlb"))))
+ (let ((parent (file-system
+ (device "cgroup")
+ (mount-point "/sys/fs/cgroup")
+ (type "tmpfs")
+ (check? #f))))
+ (cons parent
+ (map (lambda (subsystem)
+ (file-system
+ (device "cgroup")
+ (mount-point (string-append "/sys/fs/cgroup/" subsystem))
+ (type "cgroup")
+ (check? #f)
+ (options subsystem)
+ (create-mount-point? #t)
+
+ ;; This must be mounted after, and unmounted before the
+ ;; parent directory.
+ (dependencies (list parent))))
+ '("cpuset" "cpu" "cpuacct" "memory" "devices" "freezer"
+ "blkio" "perf_event" "hugetlb")))))
(define %base-file-systems
;; List of basic file systems to be mounted. Note that /proc and /sys are