From 561d64d1856868e056b7530cb08fd12a4043190a Mon Sep 17 00:00:00 2001
From: Bjoern Brandenburg <bbb@mpi-sws.org>
Date: Sun, 9 Aug 2015 13:18:45 +0200
Subject: Add object list to inodes

This patch adds a list of arbitrary objects to inodes.

This is used by LITMUS^RT's locking API to attach lock objects to inodes
(which represent namespaces in Linux's locking API).
---
 fs/inode.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs')

diff --git a/fs/inode.c b/fs/inode.c
index 88110fd0b282..d063db37db34 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -374,6 +374,8 @@ void inode_init_once(struct inode *inode)
 #ifdef CONFIG_FSNOTIFY
 	INIT_HLIST_HEAD(&inode->i_fsnotify_marks);
 #endif
+	INIT_LIST_HEAD(&inode->i_obj_list);
+	mutex_init(&inode->i_obj_mutex);
 }
 EXPORT_SYMBOL(inode_init_once);
 
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