-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_LDLM
#ifdef __KERNEL__
}
EXPORT_SYMBOL(client_destroy_import);
+/**
+ * check whether the osc is on MDT or not
+ * In the config log,
+ * osc on MDT
+ * setup 0:{fsname}-OSTxxxx-osc[-MDTxxxx] 1:lustre-OST0000_UUID 2:NID
+ * osc on client
+ * setup 0:{fsname}-OSTxxxx-osc 1:lustre-OST0000_UUID 2:NID
+ *
+ **/
+static int osc_on_mdt(char *obdname)
+{
+ char *ptr;
+
+ ptr = strrchr(obdname, '-');
+ if (ptr == NULL)
+ return 0;
+
+ if (strncmp(ptr + 1, "MDT", 3) == 0)
+ return 1;
+
+ return 0;
+}
+
/* configure an RPC client OBD device
*
* lcfg parameters:
CFS_INIT_LIST_HEAD(&cli->cl_loi_write_list);
CFS_INIT_LIST_HEAD(&cli->cl_loi_read_list);
client_obd_list_lock_init(&cli->cl_loi_list_lock);
+ cfs_atomic_set(&cli->cl_pending_w_pages, 0);
+ cfs_atomic_set(&cli->cl_pending_r_pages, 0);
cli->cl_r_in_flight = 0;
cli->cl_w_in_flight = 0;
} else if (cfs_num_physpages >> (20 - CFS_PAGE_SHIFT) <= 512 /* MB */) {
cli->cl_max_rpcs_in_flight = 4;
} else {
- cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT;
+ if (osc_on_mdt(obddev->obd_name))
+ cli->cl_max_rpcs_in_flight = MDS_OSC_MAX_RIF_DEFAULT;
+ else
+ cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT;
}
-
rc = ldlm_get_ref();
if (rc) {
CERROR("ldlm_get_ref failed: %d\n", rc);
struct ptlrpc_reply_state *rs =
cfs_list_entry(exp->exp_outstanding_replies.next,
struct ptlrpc_reply_state, rs_exp_list);
- struct ptlrpc_service *svc = rs->rs_service;
+ struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
- cfs_spin_lock(&svc->srv_rs_lock);
- cfs_list_del_init(&rs->rs_exp_list);
- cfs_spin_lock(&rs->rs_lock);
- ptlrpc_schedule_difficult_reply(rs);
- cfs_spin_unlock(&rs->rs_lock);
- cfs_spin_unlock(&svc->srv_rs_lock);
- }
- cfs_spin_unlock(&exp->exp_lock);
+ cfs_spin_lock(&svcpt->scp_rep_lock);
- RETURN(rc);
+ cfs_list_del_init(&rs->rs_exp_list);
+ cfs_spin_lock(&rs->rs_lock);
+ ptlrpc_schedule_difficult_reply(rs);
+ cfs_spin_unlock(&rs->rs_lock);
+
+ cfs_spin_unlock(&svcpt->scp_rep_lock);
+ }
+ cfs_spin_unlock(&exp->exp_lock);
+
+ RETURN(rc);
}
/* --------------------------------------------------------------------------
* doing a valid reconnect from the same client. */
RETURN(EALREADY);
} else {
- LCONSOLE_WARN("%s: The server has already connected "
- "client %s (at %s) with handle " LPX64
- ", rejecting a client with the same "
- "uuid trying to reconnect with "
- "handle " LPX64, target->obd_name,
- obd_uuid2str(&exp->exp_client_uuid),
- obd_export_nid2str(exp),
- hdl->cookie, conn->cookie);
+ LCONSOLE_WARN("%s: already connected client %s (at %s) "
+ "with handle "LPX64". Rejecting client "
+ "with the same UUID trying to reconnect "
+ "with handle "LPX64"\n", target->obd_name,
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp),
+ hdl->cookie, conn->cookie);
memset(conn, 0, sizeof *conn);
/* target_handle_connect() treats EALREADY and
* -EALREADY differently. -EALREADY is an error
int target_handle_connect(struct ptlrpc_request *req)
{
- struct obd_device *target, *targref = NULL;
+ struct obd_device *target = NULL, *targref = NULL;
struct obd_export *export = NULL;
struct obd_import *revimp;
struct lustre_handle conn;
if (!target)
target = class_name2obd(str);
- if (!target || target->obd_stopping || !target->obd_set_up) {
- deuuidify(str, NULL, &target_start, &target_len);
- LCONSOLE_ERROR_MSG(0x137, "%.*s: Not available for connect "
- "from %s (%s)\n", target_len, target_start,
- libcfs_nid2str(req->rq_peer.nid), !target ?
- "no target" : (target->obd_stopping ?
- "stopping" : "not set up"));
- GOTO(out, rc = -ENODEV);
- }
+ if (!target) {
+ deuuidify(str, NULL, &target_start, &target_len);
+ LCONSOLE_ERROR_MSG(0x137, "UUID '%s' is not available for "
+ "connect (no target)\n", str);
+ GOTO(out, rc = -ENODEV);
+ }
+
+ cfs_spin_lock(&target->obd_dev_lock);
+ if (target->obd_stopping || !target->obd_set_up) {
+ cfs_spin_unlock(&target->obd_dev_lock);
+
+ deuuidify(str, NULL, &target_start, &target_len);
+ LCONSOLE_ERROR_MSG(0x137, "%.*s: Not available for connect "
+ "from %s (%s)\n", target_len, target_start,
+ libcfs_nid2str(req->rq_peer.nid),
+ (target->obd_stopping ?
+ "stopping" : "not set up"));
+ GOTO(out, rc = -ENODEV);
+ }
if (target->obd_no_conn) {
+ cfs_spin_unlock(&target->obd_dev_lock);
+
LCONSOLE_WARN("%s: Temporarily refusing client connection "
"from %s\n", target->obd_name,
libcfs_nid2str(req->rq_peer.nid));
Really, class_uuid2obd should take the ref. */
targref = class_incref(target, __FUNCTION__, cfs_current());
+ target->obd_conn_inprogress++;
+ cfs_spin_unlock(&target->obd_dev_lock);
str = req_capsule_client_get(&req->rq_pill, &RMF_CLUUID);
if (str == NULL) {
rc = obd_connect(req->rq_svc_thread->t_env,
&export, target, &cluuid, data,
client_nid);
- if (rc == 0) {
+ if (rc == 0)
conn.cookie = export->exp_handle.h_cookie;
- /* LU-1092 reconnect put export refcount in the
- * end, connect needs take one here too. */
- class_export_get(export);
- }
}
} else {
rc = obd_reconnect(req->rq_svc_thread->t_env,
export, target, &cluuid, data, client_nid);
- if (rc == 0)
- /* prevous done via class_conn2export */
- class_export_get(export);
}
if (rc)
GOTO(out, rc);
if (req->rq_export != NULL)
class_export_put(req->rq_export);
- req->rq_export = export;
+ /* request takes one export refcount */
+ req->rq_export = class_export_get(export);
cfs_spin_lock(&export->exp_lock);
if (export->exp_conn_cnt >= lustre_msg_get_conn_cnt(req->rq_reqmsg)) {
&export->exp_connection->c_peer.nid,
&export->exp_nid_hash);
}
- /**
- class_disconnect->class_export_recovery_cleanup() race
- */
+
if (target->obd_recovering && !export->exp_in_recovery) {
int has_transno;
__u64 transno = data->ocd_transno;
cfs_spin_lock(&export->exp_lock);
+ /* possible race with class_disconnect_stale_exports,
+ * export may be already in the eviction process */
+ if (export->exp_failed) {
+ cfs_spin_unlock(&export->exp_lock);
+ GOTO(out, rc = -ENODEV);
+ }
export->exp_in_recovery = 1;
export->exp_req_replay_needed = 1;
export->exp_lock_replay_needed = 1;
if (export->exp_imp_reverse != NULL) {
/* destroyed import can be still referenced in ctxt */
- obd_set_info_async(export, sizeof(KEY_REVIMP_UPD),
- KEY_REVIMP_UPD, 0, NULL, NULL);
+ obd_set_info_async(req->rq_svc_thread->t_env, export,
+ sizeof(KEY_REVIMP_UPD), KEY_REVIMP_UPD,
+ 0, NULL, NULL);
client_destroy_import(export->exp_imp_reverse);
}
class_export_put(export);
}
- if (targref)
+ if (targref) {
+ cfs_spin_lock(&target->obd_dev_lock);
+ target->obd_conn_inprogress--;
+ cfs_spin_unlock(&target->obd_dev_lock);
+
class_decref(targref, __FUNCTION__, cfs_current());
+ }
if (rc)
req->rq_status = rc;
RETURN(rc);
if (!new_client && service_time)
/* Teach server about old server's estimates, as first guess
* at how long new requests will take. */
- at_measured(&req->rq_rqbd->rqbd_service->srv_at_estimate,
+ at_measured(&req->rq_rqbd->rqbd_svcpt->scp_at_estimate,
service_time);
target_start_recovery_timer(obd);
} else if (obd->obd_recovery_expired) {
obd->obd_recovery_expired = 0;
/** If some clients died being recovered, evict them */
- CDEBUG(D_WARNING,
- "recovery is timed out, evict stale exports\n");
+ LCONSOLE_WARN("%s: recovery is timed out, "
+ "evict stale exports\n", obd->obd_name);
/** evict cexports with no replay in queue, they are stalled */
class_disconnect_stale_exports(obd, health_check);
/** continue with VBR */
* this client may come in recovery time
*/
if (!AT_OFF) {
- struct ptlrpc_service *svc = req->rq_rqbd->rqbd_service;
- /* If the server sent early reply for this request,
- * the client will recalculate the timeout according to
- * current server estimate service time, so we will
- * use the maxium timeout here for waiting the client
- * sending the next req */
- to = max((int)at_est2timeout(
- at_get(&svc->srv_at_estimate)),
- (int)lustre_msg_get_timeout(req->rq_reqmsg));
+ struct ptlrpc_service_part *svcpt;
+
+ svcpt = req->rq_rqbd->rqbd_svcpt;
+ /* If the server sent early reply for this request,
+ * the client will recalculate the timeout according to
+ * current server estimate service time, so we will
+ * use the maxium timeout here for waiting the client
+ * sending the next req */
+ to = max((int)at_est2timeout(
+ at_get(&svcpt->scp_at_estimate)),
+ (int)lustre_msg_get_timeout(req->rq_reqmsg));
/* Add net_latency (see ptlrpc_replay_req) */
to += lustre_msg_get_service_time(req->rq_reqmsg);
}
* Also, a resent, replayed request that has already been
* handled will pass through here and be processed immediately.
*/
- CWARN("Next recovery transno: "LPU64", current: "LPU64", replaying\n",
- obd->obd_next_recovery_transno, transno);
+ CDEBUG(D_HA, "Next recovery transno: "LPU64
+ ", current: "LPU64", replaying\n",
+ obd->obd_next_recovery_transno, transno);
cfs_spin_lock(&obd->obd_recovery_task_lock);
if (transno < obd->obd_next_recovery_transno) {
/* Processing the queue right now, don't re-add. */
int target_handle_ping(struct ptlrpc_request *req)
{
- obd_ping(req->rq_export);
+ obd_ping(req->rq_svc_thread->t_env, req->rq_export);
return req_capsule_server_pack(&req->rq_pill);
}
void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id)
{
+ struct ptlrpc_service_part *svcpt;
int netrc;
struct ptlrpc_reply_state *rs;
struct obd_export *exp;
- struct ptlrpc_service *svc;
ENTRY;
if (req->rq_no_reply) {
return;
}
- svc = req->rq_rqbd->rqbd_service;
+ svcpt = req->rq_rqbd->rqbd_svcpt;
rs = req->rq_reply_state;
if (rs == NULL || !rs->rs_difficult) {
/* no notifiers */
/* must be an export if locks saved */
LASSERT (req->rq_export != NULL);
/* req/reply consistent */
- LASSERT (rs->rs_service == svc);
+ LASSERT(rs->rs_svcpt == svcpt);
/* "fresh" reply */
LASSERT (!rs->rs_scheduled);
netrc = target_send_reply_msg (req, rc, fail_id);
- cfs_spin_lock(&svc->srv_rs_lock);
+ cfs_spin_lock(&svcpt->scp_rep_lock);
- cfs_atomic_inc(&svc->srv_n_difficult_replies);
+ cfs_atomic_inc(&svcpt->scp_nreps_difficult);
if (netrc != 0) {
/* error sending: reply is off the net. Also we need +1
CDEBUG(D_HA, "Schedule reply immediately\n");
ptlrpc_dispatch_difficult_reply(rs);
} else {
- cfs_list_add (&rs->rs_list, &svc->srv_active_replies);
- rs->rs_scheduled = 0; /* allow notifier to schedule */
- }
- cfs_spin_unlock(&rs->rs_lock);
- cfs_spin_unlock(&svc->srv_rs_lock);
- EXIT;
+ cfs_list_add(&rs->rs_list, &svcpt->scp_rep_active);
+ rs->rs_scheduled = 0; /* allow notifier to schedule */
+ }
+ cfs_spin_unlock(&rs->rs_lock);
+ cfs_spin_unlock(&svcpt->scp_rep_lock);
+ EXIT;
}
int target_handle_qc_callback(struct ptlrpc_request *req)
CERROR("dumping locks for export %p,"
"ignore if the unmount doesn't hang\n", exp);
cfs_list_for_each_entry(lock, &exp->exp_locks_list, l_exp_refs_link)
- ldlm_lock_dump(D_ERROR, lock, 0);
+ LDLM_ERROR(lock, "lock:");
}
cfs_spin_unlock(&exp->exp_locks_list_guard);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff