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net: sched: rename qdisc_destroy() to qdisc_put()

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Current implementation of qdisc_destroy() decrements Qdisc reference
counter and only actually destroy Qdisc if reference counter value reached
zero. Rename qdisc_destroy() to qdisc_put() in order for it to better
describe the way in which this function currently implemented and used.

Extract code that deallocates Qdisc into new private qdisc_destroy()
function. It is intended to be shared between regular qdisc_put() and its
unlocked version that is introduced in next patch in this series.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Buslov
2018-09-24 19:22:50 +03:00
committed by David S. Miller
parent 6f99528e97
commit 86bd446b5c
20 changed files with 47 additions and 42 deletions
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4
net/sched/sch_sfb.c
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@@ -469,7 +469,7 @@ static void sfb_destroy(struct Qdisc *sch)
struct sfb_sched_data *q = qdisc_priv(sch);
tcf_block_put(q->block);
qdisc_destroy(q->qdisc);
qdisc_put(q->qdisc);
}
static const struct nla_policy sfb_policy[TCA_SFB_MAX + 1] = {
@@ -523,7 +523,7 @@ static int sfb_change(struct Qdisc *sch, struct nlattr *opt,
qdisc_tree_reduce_backlog(q->qdisc, q->qdisc->q.qlen,
q->qdisc->qstats.backlog);
qdisc_destroy(q->qdisc);
qdisc_put(q->qdisc);
q->qdisc = child;
q->rehash_interval = msecs_to_jiffies(ctl->rehash_interval);