orangefs: describe organization of sysfs
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
diff --git a/fs/orangefs/orangefs-sysfs.c b/fs/orangefs/orangefs-sysfs.c
index a772d26..dac2908 100644
--- a/fs/orangefs/orangefs-sysfs.c
+++ b/fs/orangefs/orangefs-sysfs.c
@@ -139,6 +139,13 @@
#define PC_KOBJ_ID "pc"
#define STATS_KOBJ_ID "stats"
+/*
+ * Every item calls orangefs_attr_show and orangefs_attr_store through
+ * orangefs_sysfs_ops. They look at the orangefs_attributes further below to
+ * call one of sysfs_int_show, sysfs_int_store, sysfs_service_op_show, or
+ * sysfs_service_op_store.
+ */
+
struct orangefs_attribute {
struct attribute attr;
ssize_t (*show)(struct kobject *kobj,