net_sched: remove qdisc_tree_flush_backlog()

This function is no longer used after the four prior fixes.

Given all prior uses were wrong, it seems better to remove it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250611111515.1983366-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 629368ab2787f9ddeff8dbb0a825d9d30e5b0f0c..638948be4c50e2e6f5899ded17943de55d4f94f5 100644 (file)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -973,14 +973,6 @@ static inline void qdisc_qstats_qlen_backlog(struct Qdisc *sch,  __u32 *qlen,
        *backlog = qstats.backlog;
 }
 
-static inline void qdisc_tree_flush_backlog(struct Qdisc *sch)
-{
-       __u32 qlen, backlog;
-
-       qdisc_qstats_qlen_backlog(sch, &qlen, &backlog);
-       qdisc_tree_reduce_backlog(sch, qlen, backlog);
-}
-
 static inline void qdisc_purge_queue(struct Qdisc *sch)
 {
        __u32 qlen, backlog;