Revert "sysfs: Kill nlink counting."
This reverts commit 524b6c5b39b931311dfe5a2f5abae2f5c9731676.
It has shown to break userspace tools, which is not acceptable.
Reported-by: Jiri Slaby <jslaby@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 6289a00..661a963 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -19,6 +19,7 @@
struct sysfs_elem_dir {
struct kobject *kobj;
+ unsigned long subdirs;
/* children rbtree starts here and goes through sd->s_rb */
struct rb_root children;
};