From: alex <alex>
Date: Wed, 10 Dec 2003 21:40:11 +0000 (+0000)
Subject: - list_for_each_entry_safe(), list_move() and list_move_tail() have been added
X-Git-Tag: v1_7_100~2940
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=b17626505ace96a9e9f9185456363763ed63d2d4;p=fs%2Flustre-release.git

- list_for_each_entry_safe(), list_move() and list_move_tail() have been added
---

diff --git a/lustre/kernel_patches/patches/listman-2.4.18.patch b/lustre/kernel_patches/patches/listman-2.4.18.patch
index 3477257..19ad959 100644
--- a/lustre/kernel_patches/patches/listman-2.4.18.patch
+++ b/lustre/kernel_patches/patches/listman-2.4.18.patch
@@ -1,8 +1,8 @@
 Index: linux-2.4.18-chaos/include/linux/list.h
 ===================================================================
 --- linux-2.4.18-chaos.orig/include/linux/list.h	2003-11-23 00:07:05.000000000 +0300
-+++ linux-2.4.18-chaos/include/linux/list.h	2003-12-10 22:05:23.000000000 +0300
-@@ -173,6 +173,29 @@
++++ linux-2.4.18-chaos/include/linux/list.h	2003-12-11 00:25:15.000000000 +0300
+@@ -173,6 +173,67 @@
  	for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
          	pos = pos->prev, prefetch(pos->prev))
          	
@@ -19,6 +19,44 @@ Index: linux-2.4.18-chaos/include/linux/list.h
 +	     pos = list_entry(pos->member.next, typeof(*pos), member),	\
 +		     prefetch(pos->member.next))
 +
++#ifndef list_for_each_entry_safe
++/**
++ * list_for_each_entry_safe  -       iterate over list of given type safe against removal of list entry
++ * @pos:        the type * to use as a loop counter.
++ * @n:          another type * to use as temporary storage
++ * @head:       the head for your list.
++ * @member:     the name of the list_struct within the struct.
++ */
++#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);	\
++	     &pos->member != (head);					\
++	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
++#endif
++
++/**
++ * list_move - delete from one list and add as another's head
++ * @list: the entry to move
++ * @head: the head that will precede our entry
++ */
++static inline void list_move(struct list_head *list, struct list_head *head)
++{
++	__list_del(list->prev, list->next);
++	list_add(list, head);
++}
++
++/**
++ * list_move_tail - delete from one list and add as another's tail
++ * @list: the entry to move
++ * @head: the head that will follow our entry
++ */
++static inline void list_move_tail(struct list_head *list,
++				  struct list_head *head)
++{
++	__list_del(list->prev, list->next);
++	list_add_tail(list, head);
++}
++
 +/* 2.5 uses hlists for some things, like the d_hash.  we'll treat them
 + * as 2.5 and let macros drop back.. */
 +#define hlist_entry                     list_entry