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[IPV4]: Kill MULTIPATHHOLDROUTE flag.

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It cannot work properly, so just ignore it in drr
and rr multipath algorithms just like the random
multipath algorithm does.

Suggested by Herbert Xu.

Signed-off by: Pravin B. Shelar <pravins@calsoftinc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pravin B. Shelar
2005-05-29 20:26:44 -07:00
committed by David S. Miller
parent 79165121bc
commit 37e20a66db
3 changed files with 1 additions and 40 deletions
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18
net/ipv4/multipath_drr.c
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@@ -57,7 +57,6 @@ struct multipath_device {
static struct multipath_device state[MULTIPATH_MAX_DEVICECANDIDATES];
static DEFINE_SPINLOCK(state_lock);
static struct rtable *last_selection = NULL;
static int inline __multipath_findslot(void)
{
@@ -111,11 +110,6 @@ struct notifier_block drr_dev_notifier = {
.notifier_call = drr_dev_event,
};
static void drr_remove(struct rtable *rt)
{
if (last_selection == rt)
last_selection = NULL;
}
static void drr_safe_inc(atomic_t *usecount)
{
@@ -144,14 +138,6 @@ static void drr_select_route(const struct flowi *flp,
int devidx = -1;
int cur_min_devidx = -1;
/* if necessary and possible utilize the old alternative */
if ((flp->flags & FLOWI_FLAG_MULTIPATHOLDROUTE) != 0 &&
last_selection != NULL) {
result = last_selection;
*rp = result;
return;
}
/* 1. make sure all alt. nexthops have the same GC related data */
/* 2. determine the new candidate to be returned */
result = NULL;
@@ -229,12 +215,10 @@ static void drr_select_route(const struct flowi *flp,
}
*rp = result;
last_selection = result;
}
static struct ip_mp_alg_ops drr_ops = {
.mp_alg_select_route = drr_select_route,
.mp_alg_remove = drr_remove,
};
static int __init drr_init(void)
@@ -244,7 +228,7 @@ static int __init drr_init(void)
if (err)
return err;
err = multipath_alg_register(&drr_ops, IP_MP_ALG_RR);
err = multipath_alg_register(&drr_ops, IP_MP_ALG_DRR);
if (err)
goto fail;