From: Zhi Yong Wu <wu...@linux.vnet.ibm.com>

  This rcu macro for list will be used in seq_list
rcu interfaces.

Signed-off-by: Chandra Seetharaman <sekha...@us.ibm.com>
Signed-off-by: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
---
 include/linux/rculist.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 8089e35..a3fa055 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -218,6 +218,11 @@ static inline void list_splice_init_rcu(struct list_head 
*list,
        at->prev = last;
 }
 
+#define __list_for_each_rcu(pos, head)                         \
+       for (pos = rcu_dereference(list_next_rcu(head));        \
+            pos != head;                                               \
+            pos = rcu_dereference(list_next_rcu(pos)))
+
 /**
  * list_entry_rcu - get the struct for this entry
  * @ptr:        the &struct list_head pointer.
-- 
1.7.11.7

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