From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Wed, 4 Jul 2018 08:45:14 +0000 (+0200)
Subject: cgroups: remove is_crucial_cgroup_subsystem()
X-Git-Tag: lxc-3.1.0~219^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15dcdac4292636202705ec1f21cb99331aeaa22d;p=thirdparty%2Flxc.git

cgroups: remove is_crucial_cgroup_subsystem()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/cgroups/cgroup.c b/src/lxc/cgroups/cgroup.c
index 754fdcae3..afb2a9e88 100644
--- a/src/lxc/cgroups/cgroup.c
+++ b/src/lxc/cgroups/cgroup.c
@@ -108,33 +108,3 @@ void prune_init_scope(char *cg)
 			*point = '\0';
 	}
 }
-
-/* Return true if this is a subsystem which we cannot do without.
- *
- * systemd is questionable here. The way callers currently use this, if systemd
- * is not mounted then it will be ignored. But if systemd is mounted, then it
- * must be setup so that lxc can create cgroups in it, else containers will
- * fail.
- *
- * cgroups listed in lxc.cgroup.use are also treated as crucial
- *
- */
-bool is_crucial_cgroup_subsystem(const char *s)
-{
-	const char *cgroup_use;
-
-	if (strcmp(s, "systemd") == 0)
-		return true;
-
-	if (strcmp(s, "name=systemd") == 0)
-		return true;
-
-	if (strcmp(s, "freezer") == 0)
-		return true;
-
-	cgroup_use = lxc_global_config_value("lxc.cgroup.use");
-	if (cgroup_use && strstr(cgroup_use, s))
-		return true;
-
-	return false;
-}
diff --git a/src/lxc/cgroups/cgroup.h b/src/lxc/cgroups/cgroup.h
index ae910be8b..eae4ca06e 100644
--- a/src/lxc/cgroups/cgroup.h
+++ b/src/lxc/cgroups/cgroup.h
@@ -149,6 +149,5 @@ extern struct cgroup_ops *cgroup_init(struct lxc_handler *handler);
 extern void cgroup_exit(struct cgroup_ops *ops);
 
 extern void prune_init_scope(char *cg);
-extern bool is_crucial_cgroup_subsystem(const char *s);
 
 #endif