GNU bug report logs - #75203
Fix rootless podman system tests and support I/O delegation

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Message #29 received at 75203 <at> debbugs.gnu.org (full text, mbox):

From: Giacomo Leidi <goodoldpaul <at> autistici.org>
To: 75203 <at> debbugs.gnu.org
Cc: Giacomo Leidi <goodoldpaul <at> autistici.org>
Subject: [PATCH v2 2/2] services: rootless-podman: Enable I/O delegation.
Date: Mon,  6 Jan 2025 22:05:52 +0100

Based on
https://rootlesscontaine.rs/getting-started/common/cgroup2/#enabling-cpu-cpuset-and-io-delegation
, this patch enables I/O delegation for cgroups v2 enabled users.

* gnu/services/containers.scm (cgroups-limits-entrypoint): Enable I/O
controller delegation.
* gnu/tests/containers.scm: Test it.

Change-Id: I7caba33695f11830bea477c4ab3afb89cfaa2fa5
---
 gnu/services/containers.scm | 2 +-
 gnu/tests/containers.scm    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/services/containers.scm b/gnu/services/containers.scm
index a82fb64db3..19d35ccbcb 100644
--- a/gnu/services/containers.scm
+++ b/gnu/services/containers.scm
@@ -174,7 +174,7 @@ (define cgroups-limits-entrypoint
                 #~(system*
                    (string-append #+bash-minimal "/bin/bash") "-c"
                    (string-append "echo Setting cgroups v2 limits && "
-                                  "echo +cpu +cpuset +memory +pids"
+                                  "echo +cpu +cpuset +io +memory +pids"
                                   " >> /sys/fs/cgroup/cgroup.subtree_control"))))
 
 (define (rootless-podman-cgroups-limits-service config)
diff --git a/gnu/tests/containers.scm b/gnu/tests/containers.scm
index 69cd311c82..0ecc8ddb12 100644
--- a/gnu/tests/containers.scm
+++ b/gnu/tests/containers.scm
@@ -158,7 +158,7 @@ (define (run-rootless-podman-test oci-tarball)
                           (loop (+ 1 attempts))))))))
 
           (test-equal "/sys/fs/cgroup/cgroup.subtree_control content is sound"
-            (list "cpu" "cpuset" "memory" "pids")
+            (list "cpu" "cpuset" "io" "memory" "pids")
             (marionette-eval
              `(begin
                 (use-modules (srfi srfi-1)
-- 
2.47.1

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