From 1b451ecc4366a5d40aebdad2241dc47abd25ea01 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 26 Feb 2014 15:59:16 -0700 Subject: yaffs: Remove private list implementation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit U-Boot already has a list implementation, and files which include both that and the yaffs implementation will get errors: In file included from ydirectenv.h:80:0, from yportenv.h:81, from yaffs_guts.h:19, from yaffs_allocator.h:19, from yaffs_allocator.c:14: yaffs_list.h:32:8: error: redefinition of ‘struct list_head’ struct list_head { ^ Remove the yaffs implementation. Signed-off-by: Simon Glass --- fs/yaffs2/yaffs_list.h | 126 ------------------------------------------------- fs/yaffs2/ydirectenv.h | 2 +- 2 files changed, 1 insertion(+), 127 deletions(-) delete mode 100644 fs/yaffs2/yaffs_list.h (limited to 'fs/yaffs2') diff --git a/fs/yaffs2/yaffs_list.h b/fs/yaffs2/yaffs_list.h deleted file mode 100644 index a7afaea27b..0000000000 --- a/fs/yaffs2/yaffs_list.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. - * - * Copyright (C) 2002-2011 Aleph One Ltd. - * for Toby Churchill Ltd and Brightstar Engineering - * - * Created by Charles Manning - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 2.1 as - * published by the Free Software Foundation. - * - * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. - */ - -/* - * This file is just holds extra declarations of macros that would normally - * be providesd in the Linux kernel. These macros have been written from - * scratch but are functionally equivalent to the Linux ones. - * - */ - -#ifndef __YAFFS_LIST_H__ -#define __YAFFS_LIST_H__ - - -/* - * This is a simple doubly linked list implementation that matches the - * way the Linux kernel doubly linked list implementation works. - */ - -struct list_head { - struct list_head *next; /* next in chain */ - struct list_head *prev; /* previous in chain */ -}; - - -/* Initialise a static list */ -#define LIST_HEAD(name) \ -struct list_head name = { &(name), &(name)} - - - -/* Initialise a list head to an empty list */ -#define INIT_LIST_HEAD(p) \ -do { \ - (p)->next = (p);\ - (p)->prev = (p); \ -} while (0) - - -/* Add an element to a list */ -static inline void list_add(struct list_head *new_entry, - struct list_head *list) -{ - struct list_head *list_next = list->next; - - list->next = new_entry; - new_entry->prev = list; - new_entry->next = list_next; - list_next->prev = new_entry; - -} - -static inline void list_add_tail(struct list_head *new_entry, - struct list_head *list) -{ - struct list_head *list_prev = list->prev; - - list->prev = new_entry; - new_entry->next = list; - new_entry->prev = list_prev; - list_prev->next = new_entry; - -} - - -/* Take an element out of its current list, with or without - * reinitialising the links.of the entry*/ -static inline void list_del(struct list_head *entry) -{ - struct list_head *list_next = entry->next; - struct list_head *list_prev = entry->prev; - - list_next->prev = list_prev; - list_prev->next = list_next; - -} - -static inline void list_del_init(struct list_head *entry) -{ - list_del(entry); - entry->next = entry->prev = entry; -} - - -/* Test if the list is empty */ -static inline int list_empty(struct list_head *entry) -{ - return (entry->next == entry); -} - - -/* list_entry takes a pointer to a list entry and offsets it to that - * we can find a pointer to the object it is embedded in. - */ - - -#define list_entry(entry, type, member) \ - ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member))) - - -/* list_for_each and list_for_each_safe iterate over lists. - * list_for_each_safe uses temporary storage to make the list delete safe - */ - -#define list_for_each(itervar, list) \ - for (itervar = (list)->next; itervar != (list); itervar = itervar->next) - -#define list_for_each_safe(itervar, save_var, list) \ - for (itervar = (list)->next, save_var = (list)->next->next; \ - itervar != (list); \ - itervar = save_var, save_var = save_var->next) - - -#endif diff --git a/fs/yaffs2/ydirectenv.h b/fs/yaffs2/ydirectenv.h index c2ffbfd56d..c6614f13b0 100644 --- a/fs/yaffs2/ydirectenv.h +++ b/fs/yaffs2/ydirectenv.h @@ -77,7 +77,7 @@ void yaffs_qsort(void *aa, size_t n, size_t es, #define YAFFS_ROOT_MODE 0666 #define YAFFS_LOSTNFOUND_MODE 0666 -#include "yaffs_list.h" +#include "linux/list.h" #include "yaffsfs.h" -- cgit v1.2.1