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>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index cc7ea5de2fdd..feb2d69396cf 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -217,6 +217,9 @@ static void sysfs_refresh_inode(struct sysfs_dirent *sd, struct inode *inode)
                                             iattrs->ia_secdata,
                                             iattrs->ia_secdata_len);
         }
+
+        if (sysfs_type(sd) == SYSFS_DIR)
+                set_nlink(inode, sd->s_dir.subdirs + 2);
 }
 
 int sysfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)