mdev: reinstate "follow symlinks" flag, this time with explanation
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 9c4938a..a4c0520 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -420,14 +420,17 @@
root_major = major(st.st_dev);
root_minor = minor(st.st_dev);
+ /* ACTION_FOLLOWLINKS is needed since in newer kernels
+ * /sys/block/loop* (for example) are symlinks to dirs,
+ * not real directories.
+ * (kernel's CONFIG_SYSFS_DEPRECATED makes them real dirs,
+ * but we can't enforce that on users) */
recursive_action("/sys/block",
- ACTION_RECURSE /* no ACTION_FOLLOWLINKS! */,
+ ACTION_RECURSE | ACTION_FOLLOWLINKS,
fileAction, dirAction, temp, 0);
-
recursive_action("/sys/class",
- ACTION_RECURSE /* no ACTION_FOLLOWLINKS! */,
+ ACTION_RECURSE | ACTION_FOLLOWLINKS,
fileAction, dirAction, temp, 0);
-
} else {
/* Hotplug:
* env ACTION=... DEVPATH=... mdev