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| author | David S. Miller <davem@davemloft.net> | 2008-07-19 05:54:17 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-19 05:54:17 +0200 |
| commit | 72b25a913ed9b1ab49c7022adaf3f271a65ea219 (patch) | |
| tree | 89931a19264c79090ea3043d92f04e7727e37f1c /net/sched | |
| parent | packet: add PACKET_RESERVE sockopt (diff) | |
| download | linux-72b25a913ed9b1ab49c7022adaf3f271a65ea219.tar.xz linux-72b25a913ed9b1ab49c7022adaf3f271a65ea219.zip | |
pkt_sched: Get rid of u32_list.
The u32_list is just an indirect way of maintaining a reference
to a U32 node on a per-qdisc basis.
Just add an explicit node pointer for u32 to struct Qdisc an do
away with this global list.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/cls_u32.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 4d755444c449..527db2559dd2 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -75,7 +75,6 @@ struct tc_u_hnode struct tc_u_common { - struct tc_u_common *next; struct tc_u_hnode *hlist; struct Qdisc *q; int refcnt; @@ -87,8 +86,6 @@ static const struct tcf_ext_map u32_ext_map = { .police = TCA_U32_POLICE }; -static struct tc_u_common *u32_list; - static __inline__ unsigned u32_hash_fold(__be32 key, struct tc_u32_sel *sel, u8 fshift) { unsigned h = ntohl(key & sel->hmask)>>fshift; @@ -287,9 +284,7 @@ static int u32_init(struct tcf_proto *tp) struct tc_u_hnode *root_ht; struct tc_u_common *tp_c; - for (tp_c = u32_list; tp_c; tp_c = tp_c->next) - if (tp_c->q == tp->q) - break; + tp_c = tp->q->u32_node; root_ht = kzalloc(sizeof(*root_ht), GFP_KERNEL); if (root_ht == NULL) @@ -307,8 +302,7 @@ static int u32_init(struct tcf_proto *tp) return -ENOBUFS; } tp_c->q = tp->q; - tp_c->next = u32_list; - u32_list = tp_c; + tp->q->u32_node = tp_c; } tp_c->refcnt++; @@ -402,14 +396,8 @@ static void u32_destroy(struct tcf_proto *tp) if (--tp_c->refcnt == 0) { struct tc_u_hnode *ht; - struct tc_u_common **tp_cp; - for (tp_cp = &u32_list; *tp_cp; tp_cp = &(*tp_cp)->next) { - if (*tp_cp == tp_c) { - *tp_cp = tp_c->next; - break; - } - } + tp->q->u32_node = NULL; for (ht = tp_c->hlist; ht; ht = ht->next) { ht->refcnt--; |