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libceph: open-code remove_{all,old}_osds()

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They are called only once, from ceph_osdc_stop() and
handle_osds_timeout() respectively.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2016-04-28 16:07:22 +02:00
parent 0c0a8de13f
commit 42a2c09f2b
1 changed files with 21 additions and 30 deletions
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51
net/ceph/osd_client.c
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@ -1126,18 +1126,6 @@ static void remove_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
}
}
static void remove_all_osds(struct ceph_osd_client *osdc)
{
dout("%s %p\n", __func__, osdc);
mutex_lock(&osdc->request_mutex);
while (!RB_EMPTY_ROOT(&osdc->osds)) {
struct ceph_osd *osd = rb_entry(rb_first(&osdc->osds),
struct ceph_osd, o_node);
remove_osd(osdc, osd);
}
mutex_unlock(&osdc->request_mutex);
}
static void __move_osd_to_lru(struct ceph_osd_client *osdc,
struct ceph_osd *osd)
{
@ -1165,20 +1153,6 @@ static void __remove_osd_from_lru(struct ceph_osd *osd)
list_del_init(&osd->o_osd_lru);
}
static void remove_old_osds(struct ceph_osd_client *osdc)
{
struct ceph_osd *osd, *nosd;
dout("__remove_old_osds %p\n", osdc);
mutex_lock(&osdc->request_mutex);
list_for_each_entry_safe(osd, nosd, &osdc->osd_lru, o_osd_lru) {
if (time_before(jiffies, osd->lru_ttl))
break;
remove_osd(osdc, osd);
}
mutex_unlock(&osdc->request_mutex);
}
/*
* reset osd connect
*/
@ -1671,12 +1645,21 @@ static void handle_osds_timeout(struct work_struct *work)
container_of(work, struct ceph_osd_client,
osds_timeout_work.work);
unsigned long delay = osdc->client->options->osd_idle_ttl / 4;
struct ceph_osd *osd, *nosd;
dout("osds timeout\n");
dout("%s osdc %p\n", __func__, osdc);
down_read(&osdc->map_sem);
remove_old_osds(osdc);
up_read(&osdc->map_sem);
mutex_lock(&osdc->request_mutex);
list_for_each_entry_safe(osd, nosd, &osdc->osd_lru, o_osd_lru) {
if (time_before(jiffies, osd->lru_ttl))
break;
remove_osd(osdc, osd);
}
mutex_unlock(&osdc->request_mutex);
up_read(&osdc->map_sem);
schedule_delayed_work(&osdc->osds_timeout_work,
round_jiffies_relative(delay));
}
@ -2722,11 +2705,19 @@ void ceph_osdc_stop(struct ceph_osd_client *osdc)
destroy_workqueue(osdc->notify_wq);
cancel_delayed_work_sync(&osdc->timeout_work);
cancel_delayed_work_sync(&osdc->osds_timeout_work);
mutex_lock(&osdc->request_mutex);
while (!RB_EMPTY_ROOT(&osdc->osds)) {
struct ceph_osd *osd = rb_entry(rb_first(&osdc->osds),
struct ceph_osd, o_node);
remove_osd(osdc, osd);
}
mutex_unlock(&osdc->request_mutex);
if (osdc->osdmap) {
ceph_osdmap_destroy(osdc->osdmap);
osdc->osdmap = NULL;
}
remove_all_osds(osdc);
mempool_destroy(osdc->req_mempool);
ceph_msgpool_destroy(&osdc->msgpool_op);
ceph_msgpool_destroy(&osdc->msgpool_op_reply);