static struct mutex ldlm_ref_mutex;
static int ldlm_refcount;
-struct ldlm_cb_async_args {
- struct ldlm_cb_set_arg *ca_set_arg;
- struct ldlm_lock *ca_lock;
-};
+struct kobject *ldlm_kobj;
+struct kset *ldlm_ns_kset;
+struct kset *ldlm_svc_kset;
/* LDLM state */
struct ptlrpc_request *req, int rc,
const char *ast_type)
{
- lnet_process_id_t peer = req->rq_import->imp_connection->c_peer;
+ struct lnet_process_id peer = req->rq_import->imp_connection->c_peer;
if (!req->rq_replied || (rc && rc != -EINVAL)) {
if (lock->l_export && lock->l_export->exp_libclient) {
libcfs_nid2str(peer.nid));
ldlm_lock_cancel(lock);
rc = -ERESTART;
+ } else if (rc == -ENODEV || rc == -ESHUTDOWN ||
+ (rc == -EIO &&
+ req->rq_import->imp_state == LUSTRE_IMP_CLOSED)) {
+ /* Upon umount process the AST fails because cannot be
+ * sent. This shouldn't lead to the client eviction.
+ * -ENODEV error is returned by ptl_send_rpc() for
+ * new request in such import.
+ * -SHUTDOWN is returned by ptlrpc_import_delay_req()
+ * if imp_invalid is set or obd_no_recov.
+ * Meanwhile there is also check for LUSTRE_IMP_CLOSED
+ * in ptlrpc_import_delay_req() as well with -EIO code.
+ * In all such cases errors are ignored.
+ */
+ LDLM_DEBUG(lock, "%s AST can't be sent due to a server"
+ " %s failure or umount process: rc = %d\n",
+ ast_type,
+ req->rq_import->imp_obd->obd_name, rc);
} else {
LDLM_ERROR(lock,
"client (nid %s) %s %s AST (req@%p x%llu status %d rc %d), evict it",
* - Glimpse callback of remote lock might return
* -ELDLM_NO_LOCK_DATA when inode is cleared. LU-274
*/
- if (rc == -ELDLM_NO_LOCK_DATA) {
+ if (unlikely(arg->gl_interpret_reply)) {
+ rc = arg->gl_interpret_reply(env, req, data, rc);
+ } else if (rc == -ELDLM_NO_LOCK_DATA) {
LDLM_DEBUG(lock, "lost race - client has a lock but no "
"inode");
ldlm_res_lvbo_update(lock->l_resource, NULL, 1);
}
EXPORT_SYMBOL(ldlm_destroy_export);
+static ssize_t cancel_unused_locks_before_replay_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%d\n", ldlm_cancel_unused_locks_before_replay);
+}
+
+static ssize_t cancel_unused_locks_before_replay_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ int rc;
+ unsigned long val;
+
+ rc = kstrtoul(buffer, 10, &val);
+ if (rc)
+ return rc;
+
+ ldlm_cancel_unused_locks_before_replay = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(cancel_unused_locks_before_replay);
+
+static struct attribute *ldlm_attrs[] = {
+ &lustre_attr_cancel_unused_locks_before_replay.attr,
+ NULL,
+};
+
+static struct attribute_group ldlm_attr_group = {
+ .attrs = ldlm_attrs,
+};
+
static int ldlm_setup(void)
{
static struct ptlrpc_service_conf conf;
if (ldlm_state == NULL)
RETURN(-ENOMEM);
+ ldlm_kobj = kobject_create_and_add("ldlm", lustre_kobj);
+ if (!ldlm_kobj)
+ GOTO(out, -ENOMEM);
+
+ rc = sysfs_create_group(ldlm_kobj, &ldlm_attr_group);
+ if (rc)
+ GOTO(out, rc);
+
+ ldlm_ns_kset = kset_create_and_add("namespaces", NULL, ldlm_kobj);
+ if (!ldlm_ns_kset)
+ GOTO(out, -ENOMEM);
+
+ ldlm_svc_kset = kset_create_and_add("services", NULL, ldlm_kobj);
+ if (!ldlm_svc_kset)
+ GOTO(out, -ENOMEM);
+
#ifdef CONFIG_PROC_FS
- rc = ldlm_proc_setup();
- if (rc != 0)
+ rc = ldlm_proc_setup();
+ if (rc != 0)
GOTO(out, rc);
#endif /* CONFIG_PROC_FS */
ptlrpc_unregister_service(ldlm_state->ldlm_cancel_service);
#endif
+ if (ldlm_ns_kset)
+ kset_unregister(ldlm_ns_kset);
+ if (ldlm_svc_kset)
+ kset_unregister(ldlm_svc_kset);
+ if (ldlm_kobj)
+ kobject_put(ldlm_kobj);
+
ldlm_proc_cleanup();
#ifdef HAVE_SERVER_SUPPORT