74 lines
2.2 KiB
Diff
74 lines
2.2 KiB
Diff
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From d9c7eee7cbae3de3b092fc317ff3e002e1a02bf9 Mon Sep 17 00:00:00 2001
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From: lipengyu <lipengyu@kylinos.cn>
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Date: Fri, 6 Dec 2024 14:38:39 +0800
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Subject: [PATCH] support-for-multiple-controller-nount-to-same-point
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---
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src/config.c | 29 ++++++++++++++++++++++++++++-
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1 file changed, 28 insertions(+), 1 deletion(-)
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diff --git a/src/config.c b/src/config.c
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index 7678578..4d33b0d 100644
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--- a/src/config.c
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+++ b/src/config.c
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@@ -629,6 +629,22 @@ void cgroup_config_cleanup_namespace_table(void)
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memset(&config_namespace_table, 0, sizeof(struct cg_mount_table_s) * CG_CONTROLLER_MAX);
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}
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+static int is_valid_controller(char *ctrl)
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+{
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+ int i;
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+
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+ static const char *ctrl_list[] = { "blkio", "cpu", "cpuacct", "cpuset", "devices",
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+ "freezer", "hugetlb", "memory", "misc", "net_cls",
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+ "net_prio", "perf_event", "pids", "rdma", NULL };
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+
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+ for (i = 0; ctrl_list[i]; i++) {
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+ if (strncmp(ctrl, ctrl_list[i], strlen(ctrl_list[i])) == 0)
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+ return 1;
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+ }
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+
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+ return 0;
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+}
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+
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/**
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* Add necessary options for mount. Currently only 'none' option is added
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* for mounts with only 'name=xxx' and without real controller.
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@@ -657,6 +673,9 @@ static int cgroup_config_ajdust_mount_options(struct cg_mount_table_s *mount, un
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strncpy(mount->name, controller, sizeof(mount->name));
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mount->name[sizeof(mount->name)-1] = '\0';
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+ free(controller);
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+ token = strtok_r(NULL, ",", &save);
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+ continue;
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}
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if (strncmp(token, "nodev", strlen("nodev")) == 0)
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@@ -668,6 +687,15 @@ static int cgroup_config_ajdust_mount_options(struct cg_mount_table_s *mount, un
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if (strncmp(token, "nosuid", strlen("nosuid")) == 0)
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*flags |= MS_NOSUID;
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+ if (is_valid_controller(token)) {
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+ controller = strdup(token);
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+ if (controller == NULL)
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+ break;
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+ strncat(mount->name, ",", FILENAME_MAX - strlen(mount->name)-1);
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+ strncat(mount->name, controller, FILENAME_MAX - strlen(mount->name) - 1);
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+ free(controller);
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+ }
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+
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} else if (!name_only) {
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/*
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* We have controller + name=, do the right thing,
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@@ -679,7 +707,6 @@ static int cgroup_config_ajdust_mount_options(struct cg_mount_table_s *mount, un
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token = strtok_r(NULL, ",", &save);
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}
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- free(controller);
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free(opts);
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if (name_only) {
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--
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2.25.1
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