[PATCH 30/38] cls_flower: Use XArray list of filters in fl_walk

[Matthew Wilcox]

From: "Matthew Wilcox (Oracle)" <wi...@infradead.org>

Instead of iterating over every filter attached to every mark, just
iterate over each filter.

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
---
 net/sched/cls_flower.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 54026c9e9b05..2a1999d2b507 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -575,18 +575,15 @@ static void fl_destroy(struct tcf_proto *tp, bool 
rtnl_held,
                       struct netlink_ext_ack *extack)
 {
        struct cls_fl_head *head = fl_head_dereference(tp);
-       struct fl_flow_mask *mask, *next_mask;
-       struct cls_fl_filter *f, *next;
+       struct cls_fl_filter *f;
+       unsigned long handle;
        bool last;
 
-       list_for_each_entry_safe(mask, next_mask, &head->masks, list) {
-               list_for_each_entry_safe(f, next, &mask->filters, list) {
-                       __fl_delete(tp, f, &last, rtnl_held, extack);
-                       if (last)
-                               break;
-               }
+       xa_for_each(&head->filters, handle, f) {
+               __fl_delete(tp, f, &last, rtnl_held, extack);
+               if (last)
+                       break;
        }
-       xa_destroy(&head->filters);
 
        __module_get(THIS_MODULE);
        tcf_queue_work(&head->rwork, fl_destroy_sleepable);
-- 
2.23.0.rc1