Commit 0ad42352 authored by David Howells's avatar David Howells Committed by Linus Torvalds
Browse files

[PATCH] Add list_for_each_entry_safe_reverse()

Add list_for_each_entry_safe_reverse() to linux/list.h

This is needed by unmerged cachefs and be an as-yet-unreviewed
device_shutdown() fix.
Signed-off-by: default avatarDavid Howells <>
Cc: Patrick Mochel <>
Cc: Greg KH <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent e329113c
......@@ -435,6 +435,20 @@ static inline void list_splice_init(struct list_head *list,
&pos->member != (head); \
pos = n, n = list_entry(n->, typeof(*n), member))
* list_for_each_entry_safe_reverse - iterate backwards 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_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))
* list_for_each_rcu - iterate over an rcu-protected list
* @pos: the &struct list_head to use as a loop counter.
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