units: simplify shutdown scripts

[elogind.git] / src / mount-setup.c

diff --git a/src/mount-setup.c b/src/mount-setup.c
index 84a729ebf21eaf638e7d7f167ea97a0ac0724f91..7e468e2728bab9f51b29bdf9f6e604bcd6d8f091 100644 (file)
--- a/src/mount-setup.c
+++ b/src/mount-setup.c
@@ -74,11 +74,17 @@ bool mount_point_is_api(const char *path) {
                 if (path_equal(path, mount_table[i].where))
                         return true;
 
+        return path_startswith(path, "/sys/fs/cgroup/");
+}
+
+bool mount_point_ignore(const char *path) {
+       unsigned i;
+
         for (i = 0; i < ELEMENTSOF(ignore_paths); i++)
                 if (path_equal(path, ignore_paths[i]))
                         return true;
 
-        return path_startswith(path, "/sys/fs/cgroup/");
+        return false;
 }
 
 static int mount_one(const MountPoint *p) {
@@ -132,8 +138,9 @@ static int mount_cgroup_controllers(void) {
         for (;;) {
                 MountPoint p;
                 char *controller, *where;
+                int enabled = false;
 
-                if (fscanf(f, "%ms %*i %*i %*i", &controller) != 1) {
+                if (fscanf(f, "%ms %*i %*i %i", &controller, &enabled) != 2) {
 
                         if (feof(f))
                                 break;
@@ -143,6 +150,11 @@ static int mount_cgroup_controllers(void) {
                         goto finish;
                 }
 
+                if (!enabled) {
+                        free(controller);
+                        continue;
+                }
+
                 if (asprintf(&where, "/sys/fs/cgroup/%s", controller) < 0) {
                         free(controller);
                         r = -ENOMEM;
@@ -196,13 +208,17 @@ static int nftw_cb(
                 int tflag,
                 struct FTW *ftwbuf) {
 
+        /* No need to label /dev twice in a row... */
+        if (ftwbuf->level == 0)
+                return 0;
+
         label_fix(fpath);
         return 0;
 };
 
 int mount_setup(void) {
 
-        const char *symlinks =
+        const char symlinks[] =
                 "/proc/kcore\0"      "/dev/core\0"
                 "/proc/self/fd\0"    "/dev/fd\0"
                 "/proc/self/fd/0\0"  "/dev/stdin\0"