diff options
| -rw-r--r-- | include/linux/ceph/osd_client.h | 1 | ||||
| -rw-r--r-- | net/ceph/osd_client.c | 29 |
2 files changed, 19 insertions, 11 deletions
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 2415dc0cb008..486d681694c4 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -224,6 +224,7 @@ struct ceph_osd_client { struct mutex request_mutex; struct rb_root osds; /* osds */ struct list_head osd_lru; /* idle osds */ + spinlock_t osd_lru_lock; u64 last_tid; /* tid of last request */ struct rb_root requests; /* pending requests */ struct list_head req_lru; /* in-flight lru */ diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index b6950c2c6cc4..d1c8e06f1261 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1101,31 +1101,37 @@ static void remove_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd) } } -static void __move_osd_to_lru(struct ceph_osd_client *osdc, - struct ceph_osd *osd) +static void __move_osd_to_lru(struct ceph_osd *osd) { - dout("%s %p\n", __func__, osd); + struct ceph_osd_client *osdc = osd->o_osdc; + + dout("%s osd %p osd%d\n", __func__, osd, osd->o_osd); BUG_ON(!list_empty(&osd->o_osd_lru)); + spin_lock(&osdc->osd_lru_lock); list_add_tail(&osd->o_osd_lru, &osdc->osd_lru); + spin_unlock(&osdc->osd_lru_lock); + osd->lru_ttl = jiffies + osdc->client->options->osd_idle_ttl; } -static void maybe_move_osd_to_lru(struct ceph_osd_client *osdc, - struct ceph_osd *osd) +static void maybe_move_osd_to_lru(struct ceph_osd *osd) { - dout("%s %p\n", __func__, osd); - if (list_empty(&osd->o_requests) && list_empty(&osd->o_linger_requests)) - __move_osd_to_lru(osdc, osd); + __move_osd_to_lru(osd); } static void __remove_osd_from_lru(struct ceph_osd *osd) { - dout("__remove_osd_from_lru %p\n", osd); + struct ceph_osd_client *osdc = osd->o_osdc; + + dout("%s osd %p osd%d\n", __func__, osd, osd->o_osd); + + spin_lock(&osdc->osd_lru_lock); if (!list_empty(&osd->o_osd_lru)) list_del_init(&osd->o_osd_lru); + spin_unlock(&osdc->osd_lru_lock); } /* @@ -1199,7 +1205,7 @@ static void __unregister_request(struct ceph_osd_client *osdc, ceph_msg_revoke(req->r_request); list_del_init(&req->r_osd_item); - maybe_move_osd_to_lru(osdc, req->r_osd); + maybe_move_osd_to_lru(req->r_osd); if (list_empty(&req->r_linger_osd_item)) req->r_osd = NULL; } @@ -1248,7 +1254,7 @@ static void __unregister_linger_request(struct ceph_osd_client *osdc, if (req->r_osd) { list_del_init(&req->r_linger_osd_item); - maybe_move_osd_to_lru(osdc, req->r_osd); + maybe_move_osd_to_lru(req->r_osd); if (list_empty(&req->r_osd_item)) req->r_osd = NULL; } @@ -2792,6 +2798,7 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client) osdc->last_tid = 0; osdc->osds = RB_ROOT; INIT_LIST_HEAD(&osdc->osd_lru); + spin_lock_init(&osdc->osd_lru_lock); osdc->requests = RB_ROOT; INIT_LIST_HEAD(&osdc->req_lru); INIT_LIST_HEAD(&osdc->req_unsent); |