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From: zwu.kernel@gmail.com
To: viro@zeniv.linux.org.uk
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-btrfs@vger.kernel.org, sekharan@us.ibm.com,
	linuxram@us.ibm.com, david@fromorbit.com, dsterba@suse.cz,
	gregkh@linuxfoundation.org, paulmck@linux.vnet.ibm.com,
	chris.mason@fusionio.com, Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Subject: [PATCH v2 05/12] VFS hot tracking, rcu: introduce one rcu macro for list
Date: Tue, 14 May 2013 08:59:37 +0800	[thread overview]
Message-ID: <1368493184-5939-6-git-send-email-zwu.kernel@gmail.com> (raw)
In-Reply-To: <1368493184-5939-1-git-send-email-zwu.kernel@gmail.com>

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

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

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@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

  parent reply	other threads:[~2013-05-14  0:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-14  0:59 [PATCH v2 00/12] VFS hot tracking zwu.kernel
2013-05-14  0:59 ` [PATCH v2 01/12] VFS hot tracking: introduce some data structures zwu.kernel
2013-05-14  0:59 ` [PATCH v2 02/12] VFS hot tracking: add i/o freq tracking hooks zwu.kernel
2013-05-14  0:59 ` [PATCH v2 03/12] VFS hot tracking: add one workqueue to update hot map zwu.kernel
2013-05-14  0:59 ` [PATCH v2 04/12] VFS hot tracking: register one shrinker zwu.kernel
2013-05-14  0:59 ` zwu.kernel [this message]
2013-05-14  0:59 ` [PATCH v2 06/12] VFS hot tracking, seq_file: introduce one set of rcu seq_list interfaces zwu.kernel
2013-05-14  0:59 ` [PATCH v2 07/12] VFS hot tracking: add debugfs support zwu.kernel
2013-05-14  0:59 ` [PATCH v2 08/12] VFS hot tracking: add one ioctl interface zwu.kernel
2013-05-14  0:59 ` [PATCH v2 09/12] VFS hot tracking, procfs: add two proc interfaces zwu.kernel
2013-05-14  0:59 ` [PATCH v2 10/12] VFS hot tracking, btrfs: add hot tracking support zwu.kernel
2013-05-14  0:59 ` [PATCH v2 11/12] VFS hot tracking: add documentation zwu.kernel
2013-05-14  0:59 ` [PATCH v2 12/12] VFS hot tracking: add fs hot type support zwu.kernel
2013-05-21 22:55 ` [PATCH v2 00/12] VFS hot tracking Zhi Yong Wu
2013-05-24  3:39   ` Zhi Yong Wu

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