*/
#define EXPORT_SYMTAB
-
-#include <linux/module.h>
-
#define DEBUG_SUBSYSTEM S_RPC
+#include <linux/module.h>
+#include <linux/obd_support.h>
+#include <linux/obd_class.h>
+#include <linux/lustre_lib.h>
+#include <linux/lustre_ha.h>
#include <linux/lustre_net.h>
+#include <linux/init.h>
extern int ptlrpc_init_portals(void);
extern void ptlrpc_exit_portals(void);
+int connmgr_setup(struct obd_device *obddev, obd_count len, void *buf)
+{
+ struct recovd_obd *recovd = &obddev->u.recovd;
+ int err;
+ ENTRY;
+
+ MOD_INC_USE_COUNT;
+ memset(recovd, 0, sizeof(*recovd));
+
+ err = recovd_setup(recovd);
+ if (err) {
+ MOD_DEC_USE_COUNT;
+ RETURN(err);
+ }
+
+ RETURN(0);
+}
+
+int connmgr_cleanup(struct obd_device *dev)
+{
+ struct recovd_obd *recovd = &dev->u.recovd;
+ int err;
+
+ err = recovd_cleanup(recovd);
+ if (err)
+ LBUG();
+
+ MOD_DEC_USE_COUNT;
+ RETURN(0);
+}
+
+int connmgr_iocontrol(long cmd, struct lustre_handle *hdl, int len, void *karg,
+ void *uarg)
+{
+ struct ptlrpc_connection *conn = NULL;
+ struct obd_device *obd = class_conn2obd(hdl);
+ struct recovd_obd *recovd = &obd->u.recovd;
+ struct obd_ioctl_data *data = karg;
+ struct list_head *tmp;
+ int rc = 0;
+
+ ENTRY;
+
+ if (cmd != OBD_IOC_RECOVD_NEWCONN && cmd != OBD_IOC_RECOVD_FAILCONN)
+ RETURN(-EINVAL); /* XXX ENOSYS? */
+
+ /* Find the connection that's been rebuilt or has failed. */
+ spin_lock(&recovd->recovd_lock);
+ list_for_each(tmp, &recovd->recovd_troubled_items) {
+ conn = list_entry(tmp, struct ptlrpc_connection,
+ c_recovd_data.rd_managed_chain);
+
+ LASSERT(conn->c_recovd_data.rd_recovd == recovd); /* sanity */
+
+ if (!strcmp(conn->c_remote_uuid, data->ioc_inlbuf1))
+ break;
+ conn = NULL;
+ }
+
+ if (!conn) {
+ if (cmd == OBD_IOC_RECOVD_NEWCONN)
+ GOTO(out, rc = -EINVAL);
+ /* XXX macroize/inline and share with loop above */
+ list_for_each(tmp, &recovd->recovd_managed_items) {
+ conn = list_entry(tmp, struct ptlrpc_connection,
+ c_recovd_data.rd_managed_chain);
+
+ LASSERT(conn->c_recovd_data.rd_recovd == recovd);
+
+ if (!strcmp(conn->c_remote_uuid, data->ioc_inlbuf1))
+ break;
+ conn = NULL;
+ }
+ if (!conn)
+ GOTO(out, rc = -EINVAL);
+ }
+
+ if (cmd == OBD_IOC_RECOVD_FAILCONN) {
+ spin_unlock(&recovd->recovd_lock);
+ recovd_conn_fail(conn);
+ spin_lock(&recovd->recovd_lock);
+
+ /* Jump straight to the "failed" phase of recovery. */
+ conn->c_recovd_data.rd_phase = RD_FAILED;
+ goto out;
+ }
+
+
+ /* else (NEWCONN) */
+ spin_lock(&conn->c_lock);
+
+ /* whatever happens, reset the INVALID flag */
+ conn->c_flags &= ~CONN_INVALID;
+
+ /* XXX is this a good check? should we allow readdressing of
+ * XXX conns that aren't in recovery?
+ */
+ if (conn->c_recovd_data.rd_phase != RD_PREPARING) {
+ spin_unlock(&conn->c_lock);
+ GOTO(out, rc = -EALREADY);
+ }
+
+ if (data->ioc_inllen2) {
+ CERROR("conn %p UUID change %s -> %s\n",
+ conn, conn->c_remote_uuid, data->ioc_inlbuf2);
+ strcpy(conn->c_remote_uuid, data->ioc_inlbuf2);
+ } else {
+ CERROR("conn %p UUID %s reconnected\n", conn,
+ conn->c_remote_uuid);
+ }
+ ptlrpc_readdress_connection(conn, conn->c_remote_uuid);
+ spin_unlock(&conn->c_lock);
+
+ conn->c_recovd_data.rd_phase = RD_PREPARED;
+ wake_up(&recovd->recovd_waitq);
+ out:
+ spin_unlock(&recovd->recovd_lock);
+ RETURN(rc);
+}
+
+static int connmgr_connect(struct lustre_handle *conn, struct obd_device *src,
+ obd_uuid_t cluuid, struct recovd_obd *recovd,
+ ptlrpc_recovery_cb_t recover)
+{
+ return class_connect(conn, src, cluuid);
+}
+
+/* use obd ops to offer management infrastructure */
+static struct obd_ops recovd_obd_ops = {
+ o_setup: connmgr_setup,
+ o_cleanup: connmgr_cleanup,
+ o_iocontrol: connmgr_iocontrol,
+ o_connect: connmgr_connect,
+ o_disconnect: class_disconnect
+};
static int __init ptlrpc_init(void)
{
+ int rc;
+ rc = ptlrpc_init_portals();
+ if (rc)
+ RETURN(rc);
ptlrpc_init_connection();
- return ptlrpc_init_portals();
+ class_register_type(&recovd_obd_ops, LUSTRE_HA_NAME);
+ return 0;
}
static void __exit ptlrpc_exit(void)
{
+ class_unregister_type(LUSTRE_HA_NAME);
ptlrpc_exit_portals();
ptlrpc_cleanup_connection();
}
-MODULE_AUTHOR("Peter J. Braam <braam@clusterfs.com>");
+/* recovd.c */
+EXPORT_SYMBOL(ptlrpc_recovd);
+EXPORT_SYMBOL(recovd_conn_fail);
+EXPORT_SYMBOL(recovd_conn_manage);
+EXPORT_SYMBOL(recovd_conn_fixed);
+EXPORT_SYMBOL(recovd_setup);
+EXPORT_SYMBOL(recovd_cleanup);
+
+/* connection.c */
+EXPORT_SYMBOL(ptlrpc_readdress_connection);
+EXPORT_SYMBOL(ptlrpc_get_connection);
+EXPORT_SYMBOL(ptlrpc_put_connection);
+EXPORT_SYMBOL(ptlrpc_connection_addref);
+EXPORT_SYMBOL(ptlrpc_init_connection);
+EXPORT_SYMBOL(ptlrpc_cleanup_connection);
+
+/* niobuf.c */
+EXPORT_SYMBOL(ptlrpc_send_bulk);
+EXPORT_SYMBOL(ptlrpc_register_bulk);
+EXPORT_SYMBOL(ptlrpc_abort_bulk);
+EXPORT_SYMBOL(ptlrpc_reply);
+EXPORT_SYMBOL(ptlrpc_error);
+EXPORT_SYMBOL(ptlrpc_resend_req);
+EXPORT_SYMBOL(ptl_send_rpc);
+EXPORT_SYMBOL(ptlrpc_link_svc_me);
+
+/* client.c */
+EXPORT_SYMBOL(ptlrpc_init_client);
+EXPORT_SYMBOL(ptlrpc_cleanup_client);
+EXPORT_SYMBOL(ptlrpc_req_to_uuid);
+EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
+EXPORT_SYMBOL(ptlrpc_queue_wait);
+EXPORT_SYMBOL(ptlrpc_continue_req);
+EXPORT_SYMBOL(ptlrpc_replay_req);
+EXPORT_SYMBOL(ptlrpc_restart_req);
+EXPORT_SYMBOL(ptlrpc_prep_req);
+EXPORT_SYMBOL(ptlrpc_free_req);
+EXPORT_SYMBOL(ptlrpc_req_finished);
+EXPORT_SYMBOL(ptlrpc_prep_bulk);
+EXPORT_SYMBOL(ptlrpc_free_bulk);
+EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
+EXPORT_SYMBOL(ptlrpc_free_bulk_page);
+EXPORT_SYMBOL(ptlrpc_check_status);
+
+/* service.c */
+EXPORT_SYMBOL(ptlrpc_init_svc);
+EXPORT_SYMBOL(ptlrpc_stop_all_threads);
+EXPORT_SYMBOL(ptlrpc_start_thread);
+EXPORT_SYMBOL(ptlrpc_unregister_service);
+
+/* pack_generic.c */
+EXPORT_SYMBOL(lustre_pack_msg);
+EXPORT_SYMBOL(lustre_msg_size);
+EXPORT_SYMBOL(lustre_unpack_msg);
+EXPORT_SYMBOL(lustre_msg_buf);
+
+/* recover.c */
+EXPORT_SYMBOL(ptlrpc_run_recovery_upcall);
+EXPORT_SYMBOL(ptlrpc_reconnect_and_replay);
+
+MODULE_AUTHOR("Cluster File Systems, Inc <info@clusterfs.com>");
MODULE_DESCRIPTION("Lustre Request Processor v1.0");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL");
module_init(ptlrpc_init);
module_exit(ptlrpc_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff