INIT_LIST_HEAD(&req->r_unsafe_item);
INIT_LIST_HEAD(&req->r_linger_item);
INIT_LIST_HEAD(&req->r_linger_osd);
+ INIT_LIST_HEAD(&req->r_req_lru_item);
req->r_flags = flags;
WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0);
put_osd(osd);
}
+static void remove_all_osds(struct ceph_osd_client *osdc)
+{
+ dout("__remove_old_osds %p\n", 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)
{
list_del_init(&osd->o_osd_lru);
}
-static void remove_old_osds(struct ceph_osd_client *osdc, int remove_all)
+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 (!remove_all && time_before(jiffies, osd->lru_ttl))
+ if (time_before(jiffies, osd->lru_ttl))
break;
__remove_osd(osdc, osd);
}
struct rb_node *parent = NULL;
struct ceph_osd *osd = NULL;
+ dout("__insert_osd %p osd%d\n", new, new->o_osd);
while (*p) {
parent = *p;
osd = rb_entry(parent, struct ceph_osd, o_node);
{
req->r_tid = ++osdc->last_tid;
req->r_request->hdr.tid = cpu_to_le64(req->r_tid);
- INIT_LIST_HEAD(&req->r_req_lru_item);
-
dout("__register_request %p tid %lld\n", req, req->r_tid);
__insert_request(osdc, req);
ceph_osdc_get_request(req);
osdc->num_requests++;
-
if (osdc->num_requests == 1) {
dout(" first request, scheduling timeout\n");
__schedule_osd_timeout(osdc);
dout("osds timeout\n");
down_read(&osdc->map_sem);
- remove_old_osds(osdc, 0);
+ remove_old_osds(osdc);
up_read(&osdc->map_sem);
schedule_delayed_work(&osdc->osds_timeout_work,
ceph_osdmap_destroy(osdc->osdmap);
osdc->osdmap = NULL;
}
- remove_old_osds(osdc, 1);
- WARN_ON(!RB_EMPTY_ROOT(&osdc->osds));
+ remove_all_osds(osdc);
mempool_destroy(osdc->req_mempool);
ceph_msgpool_destroy(&osdc->msgpool_op);
ceph_msgpool_destroy(&osdc->msgpool_op_reply);