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Date: Tue, 14 May 2013 08:59:37 +0800 From: zwu.kernel@...il.com To: viro@...iv.linux.org.uk Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org, sekharan@...ibm.com, linuxram@...ibm.com, david@...morbit.com, dsterba@...e.cz, gregkh@...uxfoundation.org, paulmck@...ux.vnet.ibm.com, chris.mason@...ionio.com, Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com> Subject: [PATCH v2 05/12] VFS hot tracking, rcu: introduce one rcu macro for list From: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com> This rcu macro for list will be used in seq_list rcu interfaces. Signed-off-by: Chandra Seetharaman <sekharan@...ibm.com> Signed-off-by: Zhi Yong Wu <wuzhy@...ux.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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