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Date: Sun, 10 Nov 2013 18:00:07 +0100
From: Oleg Nesterov <oleg@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Eilon Greenstein <eilong@...adcom.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] list: change list_for_each_entry*() to use
list_*_entry()
Now that we have list_{next,prev}_entry() we can change
list_for_each_entry*() and list_safe_reset_next() to use the
new helpers to improve the readability.
Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
include/linux/list.h | 44 ++++++++++++++++++++++----------------------
1 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/include/linux/list.h b/include/linux/list.h
index 2ece638..c88a591 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -433,8 +433,8 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
+ &pos->member != (head); \
+ pos = list_next_entry(pos, member))
/**
* list_for_each_entry_reverse - iterate backwards over list of given type.
@@ -444,8 +444,8 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_reverse(pos, head, member) \
for (pos = list_entry((head)->prev, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.prev, typeof(*pos), member))
+ &pos->member != (head); \
+ pos = list_prev_entry(pos, member))
/**
* list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
@@ -468,9 +468,9 @@ static inline void list_splice_tail_init(struct list_head *list,
* the current position.
*/
#define list_for_each_entry_continue(pos, head, member) \
- for (pos = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
+ for (pos = list_next_entry(pos, member); \
+ &pos->member != (head); \
+ pos = list_next_entry(pos, member))
/**
* list_for_each_entry_continue_reverse - iterate backwards from the given point
@@ -482,9 +482,9 @@ static inline void list_splice_tail_init(struct list_head *list,
* the current position.
*/
#define list_for_each_entry_continue_reverse(pos, head, member) \
- for (pos = list_entry(pos->member.prev, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.prev, typeof(*pos), member))
+ for (pos = list_prev_entry(pos, member); \
+ &pos->member != (head); \
+ pos = list_prev_entry(pos, member))
/**
* list_for_each_entry_from - iterate over list of given type from the current point
@@ -495,8 +495,8 @@ static inline void list_splice_tail_init(struct list_head *list,
* Iterate over list of given type, continuing from current position.
*/
#define list_for_each_entry_from(pos, head, member) \
- for (; &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
+ for (; &pos->member != (head); \
+ pos = list_next_entry(pos, member))
/**
* list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
@@ -507,9 +507,9 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_safe(pos, n, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
+ n = list_next_entry(pos, member); \
&pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
+ pos = n, n = list_next_entry(n, member))
/**
* list_for_each_entry_safe_continue - continue list iteration safe against removal
@@ -522,10 +522,10 @@ static inline void list_splice_tail_init(struct list_head *list,
* safe against removal of list entry.
*/
#define list_for_each_entry_safe_continue(pos, n, head, member) \
- for (pos = list_entry(pos->member.next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
+ for (pos = list_next_entry(pos, member), \
+ n = list_next_entry(pos, member); \
&pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
+ pos = n, n = list_next_entry(n, member))
/**
* list_for_each_entry_safe_from - iterate over list from current point safe against removal
@@ -538,9 +538,9 @@ static inline void list_splice_tail_init(struct list_head *list,
* removal of list entry.
*/
#define list_for_each_entry_safe_from(pos, n, head, member) \
- for (n = list_entry(pos->member.next, typeof(*pos), member); \
+ for (n = list_next_entry(pos, member); \
&pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
+ pos = n, n = list_next_entry(n, member))
/**
* list_for_each_entry_safe_reverse - iterate backwards over list safe against removal
@@ -554,9 +554,9 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_safe_reverse(pos, n, head, member) \
for (pos = list_entry((head)->prev, typeof(*pos), member), \
- n = list_entry(pos->member.prev, typeof(*pos), member); \
+ n = list_prev_entry(pos, member); \
&pos->member != (head); \
- pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+ pos = n, n = list_prev_entry(n, member))
/**
* list_safe_reset_next - reset a stale list_for_each_entry_safe loop
@@ -571,7 +571,7 @@ static inline void list_splice_tail_init(struct list_head *list,
* completing the current iteration of the loop body.
*/
#define list_safe_reset_next(pos, n, member) \
- n = list_entry(pos->member.next, typeof(*pos), member)
+ n = list_next_entry(pos, member)
/*
* Double linked lists with a single pointer list head.
--
1.5.5.1
--
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