/* forward ref */
static int ptlrpc_server_post_idle_rqbds(struct ptlrpc_service_part *svcpt);
-static void ptlrpc_hpreq_fini(struct ptlrpc_request *req);
+static void ptlrpc_server_hpreq_fini(struct ptlrpc_request *req);
static void ptlrpc_at_remove_timed(struct ptlrpc_request *req);
static CFS_LIST_HEAD(ptlrpc_all_services);
-cfs_spinlock_t ptlrpc_all_services_lock;
+spinlock_t ptlrpc_all_services_lock;
struct ptlrpc_request_buffer_desc *
ptlrpc_alloc_rqbd(struct ptlrpc_service_part *svcpt)
return NULL;
}
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
cfs_list_add(&rqbd->rqbd_list, &svcpt->scp_rqbd_idle);
svcpt->scp_nrqbds_total++;
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
return rqbd;
}
LASSERT(rqbd->rqbd_refcount == 0);
LASSERT(cfs_list_empty(&rqbd->rqbd_reqs));
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
cfs_list_del(&rqbd->rqbd_list);
svcpt->scp_nrqbds_total--;
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
OBD_FREE_LARGE(rqbd->rqbd_buffer, svcpt->scp_service->srv_buf_size);
OBD_FREE_PTR(rqbd);
int rc = 0;
int i;
+ if (svcpt->scp_rqbd_allocating)
+ goto try_post;
+
+ spin_lock(&svcpt->scp_lock);
+ /* check again with lock */
+ if (svcpt->scp_rqbd_allocating) {
+ /* NB: we might allow more than one thread in the future */
+ LASSERT(svcpt->scp_rqbd_allocating == 1);
+ spin_unlock(&svcpt->scp_lock);
+ goto try_post;
+ }
+
+ svcpt->scp_rqbd_allocating++;
+ spin_unlock(&svcpt->scp_lock);
+
+
for (i = 0; i < svc->srv_nbuf_per_group; i++) {
- /* NB: another thread might be doing this as well, we need to
- * make sure that it wouldn't over-allocate, see LU-1212. */
+ /* NB: another thread might have recycled enough rqbds, we
+ * need to make sure it wouldn't over-allocate, see LU-1212. */
if (svcpt->scp_nrqbds_posted >= svc->srv_nbuf_per_group)
break;
}
}
+ spin_lock(&svcpt->scp_lock);
+
+ LASSERT(svcpt->scp_rqbd_allocating == 1);
+ svcpt->scp_rqbd_allocating--;
+
+ spin_unlock(&svcpt->scp_lock);
+
CDEBUG(D_RPCTRACE,
"%s: allocate %d new %d-byte reqbufs (%d/%d left), rc = %d\n",
svc->srv_name, i, svc->srv_buf_size, svcpt->scp_nrqbds_posted,
svcpt->scp_nrqbds_total, rc);
+ try_post:
if (post && rc == 0)
rc = ptlrpc_server_post_idle_rqbds(svcpt);
struct ptlrpc_hr_thread {
int hrt_id; /* thread ID */
- cfs_spinlock_t hrt_lock;
+ spinlock_t hrt_lock;
cfs_waitq_t hrt_waitq;
cfs_list_t hrt_queue; /* RS queue */
struct ptlrpc_hr_partition *hrt_partition;
hrt = ptlrpc_hr_select(b->rsb_svcpt);
- cfs_spin_lock(&hrt->hrt_lock);
+ spin_lock(&hrt->hrt_lock);
cfs_list_splice_init(&b->rsb_replies, &hrt->hrt_queue);
- cfs_spin_unlock(&hrt->hrt_lock);
+ spin_unlock(&hrt->hrt_lock);
cfs_waitq_signal(&hrt->hrt_waitq);
b->rsb_n_replies = 0;
if (svcpt != b->rsb_svcpt || b->rsb_n_replies >= MAX_SCHEDULED) {
if (b->rsb_svcpt != NULL) {
rs_batch_dispatch(b);
- cfs_spin_unlock(&b->rsb_svcpt->scp_rep_lock);
+ spin_unlock(&b->rsb_svcpt->scp_rep_lock);
}
- cfs_spin_lock(&svcpt->scp_rep_lock);
+ spin_lock(&svcpt->scp_rep_lock);
b->rsb_svcpt = svcpt;
- }
- cfs_spin_lock(&rs->rs_lock);
- rs->rs_scheduled_ever = 1;
- if (rs->rs_scheduled == 0) {
- cfs_list_move(&rs->rs_list, &b->rsb_replies);
- rs->rs_scheduled = 1;
- b->rsb_n_replies++;
- }
- rs->rs_committed = 1;
- cfs_spin_unlock(&rs->rs_lock);
+ }
+ spin_lock(&rs->rs_lock);
+ rs->rs_scheduled_ever = 1;
+ if (rs->rs_scheduled == 0) {
+ cfs_list_move(&rs->rs_list, &b->rsb_replies);
+ rs->rs_scheduled = 1;
+ b->rsb_n_replies++;
+ }
+ rs->rs_committed = 1;
+ spin_unlock(&rs->rs_lock);
}
/**
{
if (b->rsb_svcpt != NULL) {
rs_batch_dispatch(b);
- cfs_spin_unlock(&b->rsb_svcpt->scp_rep_lock);
+ spin_unlock(&b->rsb_svcpt->scp_rep_lock);
}
}
hrt = ptlrpc_hr_select(rs->rs_svcpt);
- cfs_spin_lock(&hrt->hrt_lock);
+ spin_lock(&hrt->hrt_lock);
cfs_list_add_tail(&rs->rs_list, &hrt->hrt_queue);
- cfs_spin_unlock(&hrt->hrt_lock);
+ spin_unlock(&hrt->hrt_lock);
cfs_waitq_signal(&hrt->hrt_waitq);
EXIT;
* to attend to complete them. */
/* CAVEAT EMPTOR: spinlock ordering!!! */
- cfs_spin_lock(&exp->exp_uncommitted_replies_lock);
+ spin_lock(&exp->exp_uncommitted_replies_lock);
cfs_list_for_each_entry_safe(rs, nxt, &exp->exp_uncommitted_replies,
rs_obd_list) {
LASSERT (rs->rs_difficult);
rs_batch_add(&batch, rs);
}
}
- cfs_spin_unlock(&exp->exp_uncommitted_replies_lock);
- rs_batch_fini(&batch);
- EXIT;
+ spin_unlock(&exp->exp_uncommitted_replies_lock);
+ rs_batch_fini(&batch);
+ EXIT;
}
EXPORT_SYMBOL(ptlrpc_commit_replies);
int posted = 0;
for (;;) {
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
if (cfs_list_empty(&svcpt->scp_rqbd_idle)) {
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
return posted;
}
svcpt->scp_nrqbds_posted++;
cfs_list_add(&rqbd->rqbd_list, &svcpt->scp_rqbd_posted);
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
rc = ptlrpc_register_rqbd(rqbd);
if (rc != 0)
posted = 1;
}
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
svcpt->scp_nrqbds_posted--;
cfs_list_del(&rqbd->rqbd_list);
/* Don't complain if no request buffers are posted right now; LNET
* won't drop requests because we set the portal lazy! */
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
return -1;
}
CFS_INIT_LIST_HEAD(&svcpt->scp_threads);
/* rqbd and incoming request queue */
- cfs_spin_lock_init(&svcpt->scp_lock);
+ spin_lock_init(&svcpt->scp_lock);
CFS_INIT_LIST_HEAD(&svcpt->scp_rqbd_idle);
CFS_INIT_LIST_HEAD(&svcpt->scp_rqbd_posted);
CFS_INIT_LIST_HEAD(&svcpt->scp_req_incoming);
CFS_INIT_LIST_HEAD(&svcpt->scp_hist_rqbds);
/* acitve requests and hp requests */
- cfs_spin_lock_init(&svcpt->scp_req_lock);
+ spin_lock_init(&svcpt->scp_req_lock);
CFS_INIT_LIST_HEAD(&svcpt->scp_req_pending);
CFS_INIT_LIST_HEAD(&svcpt->scp_hreq_pending);
/* reply states */
- cfs_spin_lock_init(&svcpt->scp_rep_lock);
+ spin_lock_init(&svcpt->scp_rep_lock);
CFS_INIT_LIST_HEAD(&svcpt->scp_rep_active);
#ifndef __KERNEL__
CFS_INIT_LIST_HEAD(&svcpt->scp_rep_queue);
cfs_atomic_set(&svcpt->scp_nreps_difficult, 0);
/* adaptive timeout */
- cfs_spin_lock_init(&svcpt->scp_at_lock);
+ spin_lock_init(&svcpt->scp_at_lock);
array = &svcpt->scp_at_array;
size = at_est2timeout(at_max);
service->srv_cpt_bits++;
/* public members */
- cfs_spin_lock_init(&service->srv_lock);
+ spin_lock_init(&service->srv_lock);
service->srv_name = conf->psc_name;
service->srv_watchdog_factor = conf->psc_watchdog_factor;
CFS_INIT_LIST_HEAD(&service->srv_list); /* for safty of cleanup */
rc = LNetSetLazyPortal(service->srv_req_portal);
LASSERT(rc == 0);
- cfs_spin_lock (&ptlrpc_all_services_lock);
+ spin_lock(&ptlrpc_all_services_lock);
cfs_list_add (&service->srv_list, &ptlrpc_all_services);
- cfs_spin_unlock (&ptlrpc_all_services_lock);
+ spin_unlock(&ptlrpc_all_services_lock);
if (proc_entry != NULL)
ptlrpc_lprocfs_register_service(proc_entry, service);
return;
if (req->rq_at_linked) {
- cfs_spin_lock(&svcpt->scp_at_lock);
+ spin_lock(&svcpt->scp_at_lock);
/* recheck with lock, in case it's unlinked by
* ptlrpc_at_check_timed() */
if (likely(req->rq_at_linked))
ptlrpc_at_remove_timed(req);
- cfs_spin_unlock(&svcpt->scp_at_lock);
+ spin_unlock(&svcpt->scp_at_lock);
}
LASSERT(cfs_list_empty(&req->rq_timed_list));
req->rq_export = NULL;
}
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
cfs_list_add(&req->rq_list, &rqbd->rqbd_reqs);
cfs_list_del(&req->rq_history_list);
}
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
cfs_list_for_each_safe(tmp, nxt, &rqbd->rqbd_reqs) {
req = cfs_list_entry(rqbd->rqbd_reqs.next,
ptlrpc_server_free_request(req);
}
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
/*
* now all reqs including the embedded req has been
* disposed, schedule request buffer for re-use.
&svcpt->scp_rqbd_idle);
}
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
} else if (req->rq_reply_state && req->rq_reply_state->rs_prealloc) {
/* If we are low on memory, we are not interested in history */
cfs_list_del(&req->rq_list);
if (req->rq_history_seq > svcpt->scp_hist_seq_culled)
svcpt->scp_hist_seq_culled = req->rq_history_seq;
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
ptlrpc_server_free_request(req);
} else {
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
}
}
static void ptlrpc_server_finish_request(struct ptlrpc_service_part *svcpt,
struct ptlrpc_request *req)
{
- ptlrpc_hpreq_fini(req);
+ ptlrpc_server_hpreq_fini(req);
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
svcpt->scp_nreqs_active--;
if (req->rq_hp)
svcpt->scp_nhreqs_active--;
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
ptlrpc_server_drop_request(req);
}
/* exports may get disconnected from the chain even though the
export has references, so we must keep the spin lock while
manipulating the lists */
- cfs_spin_lock(&exp->exp_obd->obd_dev_lock);
+ spin_lock(&exp->exp_obd->obd_dev_lock);
- if (cfs_list_empty(&exp->exp_obd_chain_timed)) {
- /* this one is not timed */
- cfs_spin_unlock(&exp->exp_obd->obd_dev_lock);
+ if (cfs_list_empty(&exp->exp_obd_chain_timed)) {
+ /* this one is not timed */
+ spin_unlock(&exp->exp_obd->obd_dev_lock);
RETURN_EXIT;
}
oldest_exp = cfs_list_entry(exp->exp_obd->obd_exports_timed.next,
struct obd_export, exp_obd_chain_timed);
oldest_time = oldest_exp->exp_last_request_time;
- cfs_spin_unlock(&exp->exp_obd->obd_dev_lock);
+ spin_unlock(&exp->exp_obd->obd_dev_lock);
if (exp->exp_obd->obd_recovering) {
/* be nice to everyone during recovery */
if ((lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT) == 0)
return(-ENOSYS);
- cfs_spin_lock(&svcpt->scp_at_lock);
+ spin_lock(&svcpt->scp_at_lock);
LASSERT(cfs_list_empty(&req->rq_timed_list));
index = (unsigned long)req->rq_deadline % array->paa_size;
cfs_list_add(&req->rq_timed_list,
&array->paa_reqs_array[index]);
- cfs_spin_lock(&req->rq_lock);
- req->rq_at_linked = 1;
- cfs_spin_unlock(&req->rq_lock);
- req->rq_at_index = index;
- array->paa_reqs_count[index]++;
- array->paa_count++;
- if (array->paa_count == 1 || array->paa_deadline > req->rq_deadline) {
- array->paa_deadline = req->rq_deadline;
+ spin_lock(&req->rq_lock);
+ req->rq_at_linked = 1;
+ spin_unlock(&req->rq_lock);
+ req->rq_at_index = index;
+ array->paa_reqs_count[index]++;
+ array->paa_count++;
+ if (array->paa_count == 1 || array->paa_deadline > req->rq_deadline) {
+ array->paa_deadline = req->rq_deadline;
ptlrpc_at_set_timer(svcpt);
}
- cfs_spin_unlock(&svcpt->scp_at_lock);
+ spin_unlock(&svcpt->scp_at_lock);
return 0;
}
LASSERT(!cfs_list_empty(&req->rq_timed_list));
cfs_list_del_init(&req->rq_timed_list);
- cfs_spin_lock(&req->rq_lock);
+ spin_lock(&req->rq_lock);
req->rq_at_linked = 0;
- cfs_spin_unlock(&req->rq_lock);
+ spin_unlock(&req->rq_lock);
array->paa_reqs_count[req->rq_at_index]--;
array->paa_count--;
int first, counter = 0;
ENTRY;
- cfs_spin_lock(&svcpt->scp_at_lock);
+ spin_lock(&svcpt->scp_at_lock);
if (svcpt->scp_at_check == 0) {
- cfs_spin_unlock(&svcpt->scp_at_lock);
+ spin_unlock(&svcpt->scp_at_lock);
RETURN(0);
}
delay = cfs_time_sub(cfs_time_current(), svcpt->scp_at_checktime);
svcpt->scp_at_check = 0;
if (array->paa_count == 0) {
- cfs_spin_unlock(&svcpt->scp_at_lock);
+ spin_unlock(&svcpt->scp_at_lock);
RETURN(0);
}
if (first > at_early_margin) {
/* We've still got plenty of time. Reset the timer. */
ptlrpc_at_set_timer(svcpt);
- cfs_spin_unlock(&svcpt->scp_at_lock);
+ spin_unlock(&svcpt->scp_at_lock);
RETURN(0);
}
/* we have a new earliest deadline, restart the timer */
ptlrpc_at_set_timer(svcpt);
- cfs_spin_unlock(&svcpt->scp_at_lock);
+ spin_unlock(&svcpt->scp_at_lock);
CDEBUG(D_ADAPTTO, "timeout in %+ds, asking for %d secs on %d early "
"replies\n", first, at_extra, counter);
* Put the request to the export list if the request may become
* a high priority one.
*/
-static int ptlrpc_hpreq_init(struct ptlrpc_service *svc,
- struct ptlrpc_request *req)
+static int ptlrpc_server_hpreq_init(struct ptlrpc_service *svc,
+ struct ptlrpc_request *req)
{
int rc = 0;
ENTRY;
if (req->rq_ops->hpreq_check)
rc = req->rq_ops->hpreq_check(req);
- cfs_spin_lock_bh(&req->rq_export->exp_rpc_lock);
- cfs_list_add(&req->rq_exp_list,
- &req->rq_export->exp_hp_rpcs);
- cfs_spin_unlock_bh(&req->rq_export->exp_rpc_lock);
- }
+ spin_lock_bh(&req->rq_export->exp_rpc_lock);
+ cfs_list_add(&req->rq_exp_list,
+ &req->rq_export->exp_hp_rpcs);
+ spin_unlock_bh(&req->rq_export->exp_rpc_lock);
+ }
- RETURN(rc);
+ RETURN(rc);
}
/** Remove the request from the export list. */
-static void ptlrpc_hpreq_fini(struct ptlrpc_request *req)
+static void ptlrpc_server_hpreq_fini(struct ptlrpc_request *req)
{
ENTRY;
if (req->rq_export && req->rq_ops) {
if (req->rq_ops->hpreq_fini)
req->rq_ops->hpreq_fini(req);
- cfs_spin_lock_bh(&req->rq_export->exp_rpc_lock);
- cfs_list_del_init(&req->rq_exp_list);
- cfs_spin_unlock_bh(&req->rq_export->exp_rpc_lock);
- }
- EXIT;
+ spin_lock_bh(&req->rq_export->exp_rpc_lock);
+ cfs_list_del_init(&req->rq_exp_list);
+ spin_unlock_bh(&req->rq_export->exp_rpc_lock);
+ }
+ EXIT;
}
static int ptlrpc_hpreq_check(struct ptlrpc_request *req)
}
static struct ptlrpc_hpreq_ops ptlrpc_hpreq_common = {
- .hpreq_lock_match = NULL,
.hpreq_check = ptlrpc_hpreq_check,
- .hpreq_fini = NULL,
};
/* Hi-Priority RPC check by RPC operation code. */
static void ptlrpc_hpreq_reorder_nolock(struct ptlrpc_service_part *svcpt,
struct ptlrpc_request *req)
{
- ENTRY;
+ ENTRY;
- cfs_spin_lock(&req->rq_lock);
+ spin_lock(&req->rq_lock);
if (req->rq_hp == 0) {
int opc = lustre_msg_get_opc(req->rq_reqmsg);
if (opc != OBD_PING)
DEBUG_REQ(D_RPCTRACE, req, "high priority req");
}
- cfs_spin_unlock(&req->rq_lock);
- EXIT;
+ spin_unlock(&req->rq_lock);
+ EXIT;
}
/**
struct ptlrpc_service_part *svcpt = req->rq_rqbd->rqbd_svcpt;
ENTRY;
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
/* It may happen that the request is already taken for the processing
* but still in the export list, or the request is not in the request
* queue but in the export list already, do not add it into the
* HP list. */
if (!cfs_list_empty(&req->rq_list))
ptlrpc_hpreq_reorder_nolock(svcpt, req);
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
EXIT;
}
EXPORT_SYMBOL(ptlrpc_hpreq_reorder);
-/** Check if the request is a high priority one. */
-static int ptlrpc_server_hpreq_check(struct ptlrpc_service *svc,
- struct ptlrpc_request *req)
-{
- return ptlrpc_hpreq_init(svc, req);
-}
-
-/** Check if a request is a high priority one. */
+/**
+ * Add a request to the regular or HP queue; optionally perform HP request
+ * initialization.
+ */
static int ptlrpc_server_request_add(struct ptlrpc_service_part *svcpt,
struct ptlrpc_request *req)
{
int rc;
ENTRY;
- rc = ptlrpc_server_hpreq_check(svcpt->scp_service, req);
+ rc = ptlrpc_server_hpreq_init(svcpt->scp_service, req);
if (rc < 0)
RETURN(rc);
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
if (rc)
ptlrpc_hpreq_reorder_nolock(svcpt, req);
else
cfs_list_add_tail(&req->rq_list, &svcpt->scp_req_pending);
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
RETURN(0);
}
static int ptlrpc_server_allow_high(struct ptlrpc_service_part *svcpt,
int force)
{
+ int running = svcpt->scp_nthrs_running;
+
if (force)
return 1;
- if (svcpt->scp_nreqs_active >= svcpt->scp_nthrs_running - 1)
+ if (unlikely(svcpt->scp_service->srv_req_portal == MDS_REQUEST_PORTAL &&
+ CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CANCEL_RESEND))) {
+ /* leave just 1 thread for normal RPCs */
+ running = PTLRPC_NTHRS_INIT;
+ if (svcpt->scp_service->srv_ops.so_hpreq_handler != NULL)
+ running += 1;
+ }
+
+ if (svcpt->scp_nreqs_active >= running - 1)
return 0;
if (svcpt->scp_nhreqs_active == 0)
static int ptlrpc_server_allow_normal(struct ptlrpc_service_part *svcpt,
int force)
{
+ int running = svcpt->scp_nthrs_running;
#ifndef __KERNEL__
if (1) /* always allow to handle normal request for liblustre */
return 1;
#endif
+ if (unlikely(svcpt->scp_service->srv_req_portal == MDS_REQUEST_PORTAL &&
+ CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CANCEL_RESEND))) {
+ /* leave just 1 thread for normal RPCs */
+ running = PTLRPC_NTHRS_INIT;
+ if (svcpt->scp_service->srv_ops.so_hpreq_handler != NULL)
+ running += 1;
+ }
+
if (force ||
- svcpt->scp_nreqs_active < svcpt->scp_nthrs_running - 2)
+ svcpt->scp_nreqs_active < running - 2)
return 1;
- if (svcpt->scp_nreqs_active >= svcpt->scp_nthrs_running - 1)
+ if (svcpt->scp_nreqs_active >= running - 1)
return 0;
return svcpt->scp_nhreqs_active > 0 ||
int rc;
ENTRY;
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
if (cfs_list_empty(&svcpt->scp_req_incoming)) {
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
RETURN(0);
}
svcpt->scp_nreqs_incoming--;
/* Consider this still a "queued" request as far as stats are
* concerned */
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
/* go through security check/transform */
rc = sptlrpc_svc_unwrap_request(req);
/* Move it over to the request processing queue */
rc = ptlrpc_server_request_add(svcpt, req);
if (rc) {
- ptlrpc_hpreq_fini(req);
+ ptlrpc_server_hpreq_fini(req);
GOTO(err_req, rc);
}
cfs_waitq_signal(&svcpt->scp_waitq);
err_req:
if (req->rq_export)
class_export_rpc_put(req->rq_export);
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
svcpt->scp_nreqs_active++;
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
ptlrpc_server_finish_request(svcpt, req);
RETURN(1);
int fail_opc = 0;
ENTRY;
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
#ifndef __KERNEL__
/* !@%$# liblustre only has 1 thread */
if (cfs_atomic_read(&svcpt->scp_nreps_difficult) != 0) {
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
RETURN(0);
}
#endif
request = ptlrpc_server_request_get(svcpt, 0);
if (request == NULL) {
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
RETURN(0);
}
if (unlikely(fail_opc)) {
if (request->rq_export && request->rq_ops) {
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
OBD_FAIL_TIMEOUT(fail_opc, 4);
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
request = ptlrpc_server_request_get(svcpt, 0);
if (request == NULL) {
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
RETURN(0);
}
}
if (request->rq_hp)
svcpt->scp_nhreqs_active++;
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
ptlrpc_rqphase_move(request, RQ_PHASE_INTERPRET);
LASSERT (rs->rs_scheduled);
LASSERT (cfs_list_empty(&rs->rs_list));
- cfs_spin_lock (&exp->exp_lock);
- /* Noop if removed already */
- cfs_list_del_init (&rs->rs_exp_list);
- cfs_spin_unlock (&exp->exp_lock);
+ spin_lock(&exp->exp_lock);
+ /* Noop if removed already */
+ cfs_list_del_init (&rs->rs_exp_list);
+ spin_unlock(&exp->exp_lock);
/* The disk commit callback holds exp_uncommitted_replies_lock while it
* iterates over newly committed replies, removing them from
* holding rs_lock, we can be sure it has all completed once we hold
* rs_lock, which we do right next.
*/
- if (!rs->rs_committed) {
- cfs_spin_lock(&exp->exp_uncommitted_replies_lock);
- cfs_list_del_init(&rs->rs_obd_list);
- cfs_spin_unlock(&exp->exp_uncommitted_replies_lock);
- }
+ if (!rs->rs_committed) {
+ spin_lock(&exp->exp_uncommitted_replies_lock);
+ cfs_list_del_init(&rs->rs_obd_list);
+ spin_unlock(&exp->exp_uncommitted_replies_lock);
+ }
- cfs_spin_lock(&rs->rs_lock);
+ spin_lock(&rs->rs_lock);
been_handled = rs->rs_handled;
rs->rs_handled = 1;
if (nlocks == 0 && !been_handled) {
/* If we see this, we should already have seen the warning
* in mds_steal_ack_locks() */
- CWARN("All locks stolen from rs %p x"LPD64".t"LPD64
- " o%d NID %s\n",
- rs,
- rs->rs_xid, rs->rs_transno, rs->rs_opc,
- libcfs_nid2str(exp->exp_connection->c_peer.nid));
+ CDEBUG(D_HA, "All locks stolen from rs %p x"LPD64".t"LPD64
+ " o%d NID %s\n",
+ rs,
+ rs->rs_xid, rs->rs_transno, rs->rs_opc,
+ libcfs_nid2str(exp->exp_connection->c_peer.nid));
}
if ((!been_handled && rs->rs_on_net) || nlocks > 0) {
- cfs_spin_unlock(&rs->rs_lock);
+ spin_unlock(&rs->rs_lock);
- if (!been_handled && rs->rs_on_net) {
- LNetMDUnlink(rs->rs_md_h);
- /* Ignore return code; we're racing with
- * completion... */
- }
+ if (!been_handled && rs->rs_on_net) {
+ LNetMDUnlink(rs->rs_md_h);
+ /* Ignore return code; we're racing with completion */
+ }
- while (nlocks-- > 0)
- ldlm_lock_decref(&rs->rs_locks[nlocks],
- rs->rs_modes[nlocks]);
+ while (nlocks-- > 0)
+ ldlm_lock_decref(&rs->rs_locks[nlocks],
+ rs->rs_modes[nlocks]);
- cfs_spin_lock(&rs->rs_lock);
- }
+ spin_lock(&rs->rs_lock);
+ }
- rs->rs_scheduled = 0;
+ rs->rs_scheduled = 0;
- if (!rs->rs_on_net) {
- /* Off the net */
- cfs_spin_unlock(&rs->rs_lock);
+ if (!rs->rs_on_net) {
+ /* Off the net */
+ spin_unlock(&rs->rs_lock);
class_export_put (exp);
rs->rs_export = NULL;
}
/* still on the net; callback will schedule */
- cfs_spin_unlock(&rs->rs_lock);
+ spin_unlock(&rs->rs_lock);
RETURN(1);
}
struct ptlrpc_reply_state *rs = NULL;
ENTRY;
- cfs_spin_lock(&svcpt->scp_rep_lock);
+ spin_lock(&svcpt->scp_rep_lock);
if (!cfs_list_empty(&svcpt->scp_rep_queue)) {
rs = cfs_list_entry(svcpt->scp_rep_queue.prev,
struct ptlrpc_reply_state,
rs_list);
cfs_list_del_init(&rs->rs_list);
}
- cfs_spin_unlock(&svcpt->scp_rep_lock);
+ spin_unlock(&svcpt->scp_rep_lock);
if (rs != NULL)
ptlrpc_handle_rs(rs);
RETURN(rs != NULL);
goto out_srv_fini;
}
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
LASSERT(thread_is_starting(thread));
thread_clear_flags(thread, SVC_STARTING);
* we are now running, however we will exit as soon as possible */
thread_add_flags(thread, SVC_RUNNING);
svcpt->scp_nthrs_running++;
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
/* wake up our creator in case he's still waiting. */
cfs_waitq_signal(&thread->t_ctl_waitq);
thread->t_watchdog = lc_watchdog_add(ptlrpc_server_get_timeout(svcpt),
NULL, NULL);
- cfs_spin_lock(&svcpt->scp_rep_lock);
+ spin_lock(&svcpt->scp_rep_lock);
cfs_list_add(&rs->rs_list, &svcpt->scp_rep_idle);
cfs_waitq_signal(&svcpt->scp_rep_waitq);
- cfs_spin_unlock(&svcpt->scp_rep_lock);
+ spin_unlock(&svcpt->scp_rep_lock);
CDEBUG(D_NET, "service thread %d (#%d) started\n", thread->t_id,
svcpt->scp_nthrs_running);
CDEBUG(D_RPCTRACE, "service thread [ %p : %u ] %d exiting: rc %d\n",
thread, thread->t_pid, thread->t_id, rc);
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
if (thread_test_and_clear_flags(thread, SVC_STARTING))
svcpt->scp_nthrs_starting--;
thread_add_flags(thread, SVC_STOPPED);
cfs_waitq_signal(&thread->t_ctl_waitq);
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
return rc;
}
{
int result;
- cfs_spin_lock(&hrt->hrt_lock);
+ spin_lock(&hrt->hrt_lock);
cfs_list_splice_init(&hrt->hrt_queue, replies);
result = ptlrpc_hr.hr_stopping || !cfs_list_empty(replies);
- cfs_spin_unlock(&hrt->hrt_lock);
+ spin_unlock(&hrt->hrt_lock);
return result;
}
CDEBUG(D_INFO, "Stopping threads for service %s\n",
svcpt->scp_service->srv_name);
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
/* let the thread know that we would like it to stop asap */
list_for_each_entry(thread, &svcpt->scp_threads, t_link) {
CDEBUG(D_INFO, "Stopping thread %s #%u\n",
cfs_list_add(&thread->t_link, &zombie);
continue;
}
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
CDEBUG(D_INFO, "waiting for stopping-thread %s #%u\n",
svcpt->scp_service->srv_thread_name, thread->t_id);
l_wait_event(thread->t_ctl_waitq,
thread_is_stopped(thread), &lwi);
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
}
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
while (!cfs_list_empty(&zombie)) {
thread = cfs_list_entry(zombie.next,
RETURN(-ENOMEM);
cfs_waitq_init(&thread->t_ctl_waitq);
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
if (!ptlrpc_threads_increasable(svcpt)) {
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
OBD_FREE_PTR(thread);
RETURN(-EMFILE);
}
/* serialize starting because some modules (obdfilter)
* might require unique and contiguous t_id */
LASSERT(svcpt->scp_nthrs_starting == 1);
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
OBD_FREE_PTR(thread);
if (wait) {
CDEBUG(D_INFO, "Waiting for creating thread %s #%d\n",
thread->t_svcpt = svcpt;
cfs_list_add(&thread->t_link, &svcpt->scp_threads);
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
if (svcpt->scp_cpt >= 0) {
snprintf(thread->t_name, PTLRPC_THR_NAME_LEN, "%s%02d_%03d",
if (rc < 0) {
CERROR("cannot start thread '%s': rc %d\n",
thread->t_name, rc);
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
cfs_list_del(&thread->t_link);
--svcpt->scp_nthrs_starting;
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
OBD_FREE(thread, sizeof(*thread));
RETURN(rc);
hrt->hrt_id = j;
hrt->hrt_partition = hrp;
cfs_waitq_init(&hrt->hrt_waitq);
- cfs_spin_lock_init(&hrt->hrt_lock);
+ spin_lock_init(&hrt->hrt_lock);
CFS_INIT_LIST_HEAD(&hrt->hrt_queue);
}
}
/* Wait for the network to release any buffers
* it's currently filling */
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
while (svcpt->scp_nrqbds_posted != 0) {
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
/* Network access will complete in finite time but
* the HUGE timeout lets us CWARN for visibility
* of sluggish NALs */
"request buffers\n",
svcpt->scp_service->srv_name);
}
- cfs_spin_lock(&svcpt->scp_lock);
+ spin_lock(&svcpt->scp_lock);
}
- cfs_spin_unlock(&svcpt->scp_lock);
+ spin_unlock(&svcpt->scp_lock);
}
}
if (svcpt->scp_service == NULL)
break;
- cfs_spin_lock(&svcpt->scp_rep_lock);
+ spin_lock(&svcpt->scp_rep_lock);
while (!cfs_list_empty(&svcpt->scp_rep_active)) {
rs = cfs_list_entry(svcpt->scp_rep_active.next,
struct ptlrpc_reply_state, rs_list);
- cfs_spin_lock(&rs->rs_lock);
+ spin_lock(&rs->rs_lock);
ptlrpc_schedule_difficult_reply(rs);
- cfs_spin_unlock(&rs->rs_lock);
+ spin_unlock(&rs->rs_lock);
}
- cfs_spin_unlock(&svcpt->scp_rep_lock);
+ spin_unlock(&svcpt->scp_rep_lock);
/* purge the request queue. NB No new replies (rqbds
* all unlinked) and no service threads, so I'm the only
req = ptlrpc_server_request_get(svcpt, 1);
cfs_list_del(&req->rq_list);
svcpt->scp_nreqs_active++;
- ptlrpc_hpreq_fini(req);
+ ptlrpc_server_hpreq_fini(req);
if (req->rq_export != NULL)
class_export_rpc_put(req->rq_export);
service->srv_is_stopping = 1;
- cfs_spin_lock(&ptlrpc_all_services_lock);
+ spin_lock(&ptlrpc_all_services_lock);
cfs_list_del_init(&service->srv_list);
- cfs_spin_unlock(&ptlrpc_all_services_lock);
+ spin_unlock(&ptlrpc_all_services_lock);
ptlrpc_lprocfs_unregister_service(service);
cfs_gettimeofday(&right_now);
- cfs_spin_lock(&svcpt->scp_req_lock);
+ spin_lock(&svcpt->scp_req_lock);
if (!ptlrpc_server_request_pending(svcpt, 1)) {
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
return 0;
}
}
timediff = cfs_timeval_sub(&right_now, &request->rq_arrival_time, NULL);
- cfs_spin_unlock(&svcpt->scp_req_lock);
+ spin_unlock(&svcpt->scp_req_lock);
if ((timediff / ONE_MILLION) >
(AT_OFF ? obd_timeout * 3 / 2 : at_max)) {