diff options
| -rw-r--r-- | net/ceph/osd_client.c | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 4227c55226c3..77f37b63622d 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -864,6 +864,11 @@ EXPORT_SYMBOL(ceph_osdc_new_request); */ DEFINE_RB_FUNCS(request, struct ceph_osd_request, r_tid, r_node) +static bool osd_homeless(struct ceph_osd *osd) +{ + return osd->o_osd == CEPH_HOMELESS_OSD; +} + static struct ceph_osd_request * __lookup_request_ge(struct ceph_osd_client *osdc, u64 tid) @@ -1002,28 +1007,52 @@ static void osd_reset(struct ceph_connection *con) } /* + * Assumes @osd is zero-initialized. + */ +static void osd_init(struct ceph_osd *osd) +{ + atomic_set(&osd->o_ref, 1); + RB_CLEAR_NODE(&osd->o_node); + INIT_LIST_HEAD(&osd->o_requests); + INIT_LIST_HEAD(&osd->o_linger_requests); + INIT_LIST_HEAD(&osd->o_osd_lru); + INIT_LIST_HEAD(&osd->o_keepalive_item); + osd->o_incarnation = 1; +} + +static void osd_cleanup(struct ceph_osd *osd) +{ + WARN_ON(!RB_EMPTY_NODE(&osd->o_node)); + WARN_ON(!list_empty(&osd->o_requests)); + WARN_ON(!list_empty(&osd->o_linger_requests)); + WARN_ON(!list_empty(&osd->o_osd_lru)); + WARN_ON(!list_empty(&osd->o_keepalive_item)); + + if (osd->o_auth.authorizer) { + WARN_ON(osd_homeless(osd)); + ceph_auth_destroy_authorizer(osd->o_auth.authorizer); + } +} + +/* * Track open sessions with osds. */ static struct ceph_osd *create_osd(struct ceph_osd_client *osdc, int onum) { struct ceph_osd *osd; + WARN_ON(onum == CEPH_HOMELESS_OSD); + osd = kzalloc(sizeof(*osd), GFP_NOFS); if (!osd) return NULL; - atomic_set(&osd->o_ref, 1); + osd_init(osd); osd->o_osdc = osdc; osd->o_osd = onum; - RB_CLEAR_NODE(&osd->o_node); - INIT_LIST_HEAD(&osd->o_requests); - INIT_LIST_HEAD(&osd->o_linger_requests); - INIT_LIST_HEAD(&osd->o_osd_lru); - osd->o_incarnation = 1; ceph_con_init(&osd->o_con, osd, &osd_con_ops, &osdc->client->msgr); - INIT_LIST_HEAD(&osd->o_keepalive_item); return osd; } @@ -1044,8 +1073,7 @@ static void put_osd(struct ceph_osd *osd) dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref), atomic_read(&osd->o_ref) - 1); if (atomic_dec_and_test(&osd->o_ref)) { - if (osd->o_auth.authorizer) - ceph_auth_destroy_authorizer(osd->o_auth.authorizer); + osd_cleanup(osd); kfree(osd); } } |