[mirror_spl.git] / include / linux / list_compat.h

#ifndef _SPL_LIST_COMPAT_H
#define _SPL_LIST_COMPAT_H

#include <linux/list.h>

#ifndef list_for_each_entry_safe_reverse

/**
 * list_for_each_entry_safe_reverse
 * @pos:        the type * to use as a loop cursor.
 * @n:          another type * to use as temporary storage
 * @head:       the head for your list.
 * @member:     the name of the list_struct within the struct.
 *
 * Iterate backwards over list of given type, safe against removal
 * of list entry.
 */
#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); \
             &pos->member != (head);                                    \
             pos = n, n = list_entry(n->member.prev, typeof(*n), member))

#endif /* list_for_each_entry_safe_reverse */

#endif /* SPL_LIST_COMPAT_H */
Commit	Line	Data
6a6cafbe	1	#ifndef _SPL_LIST_COMPAT_H
	2	#define _SPL_LIST_COMPAT_H
	3
	4	#include <linux/list.h>
	5
	6	#ifndef list_for_each_entry_safe_reverse
	7
	8	/**
	9	* list_for_each_entry_safe_reverse
	10	* @pos: the type * to use as a loop cursor.
	11	* @n: another type * to use as temporary storage
	12	* @head: the head for your list.
	13	* @member: the name of the list_struct within the struct.
	14	*
	15	* Iterate backwards over list of given type, safe against removal
	16	* of list entry.
	17	*/
	18	#define list_for_each_entry_safe_reverse(pos, n, head, member) \
	19	for (pos = list_entry((head)->prev, typeof(*pos), member), \
	20	n = list_entry(pos->member.prev, typeof(*pos), member); \
	21	&pos->member != (head); \
	22	pos = n, n = list_entry(n->member.prev, typeof(*n), member))
	23
	24	#endif /* list_for_each_entry_safe_reverse */
	25
	26	#endif /* SPL_LIST_COMPAT_H */
	27