static void ptlrpc_at_remove_timed(struct ptlrpc_request *req);
/** Holds a list of all PTLRPC services */
-struct list_head ptlrpc_all_services;
+LIST_HEAD(ptlrpc_all_services);
/** Used to protect the \e ptlrpc_all_services list */
struct mutex ptlrpc_all_services_mutex;
#define HRT_STOPPING 1
struct ptlrpc_hr_service {
- /* CPU partition table, it's just cfs_cpt_table for now */
+ /* CPU partition table, it's just cfs_cpt_tab for now */
struct cfs_cpt_table *hr_cpt_table;
/** controller sleep waitq */
wait_queue_head_t hr_waitq;
failed:
if (array->paa_reqs_count != NULL) {
- OBD_FREE(array->paa_reqs_count, sizeof(__u32) * size);
+ OBD_FREE_PTR_ARRAY(array->paa_reqs_count, size);
array->paa_reqs_count = NULL;
}
if (array->paa_reqs_array != NULL) {
- OBD_FREE(array->paa_reqs_array,
- sizeof(struct list_head) * array->paa_size);
+ OBD_FREE_PTR_ARRAY(array->paa_reqs_array, array->paa_size);
array->paa_reqs_array = NULL;
}
cptable = cconf->cc_cptable;
if (cptable == NULL)
- cptable = cfs_cpt_table;
+ cptable = cfs_cpt_tab;
if (conf->psc_thr.tc_cpu_bind > 1) {
CERROR("%s: Invalid cpu bind value %d, only 1 or 0 allowed\n",
CERROR("%s: failed to parse CPT array %s: %d\n",
conf->psc_name, cconf->cc_pattern, rc);
if (cpts != NULL)
- OBD_FREE(cpts, sizeof(*cpts) * ncpts);
+ OBD_FREE_PTR_ARRAY(cpts, ncpts);
RETURN(ERR_PTR(rc < 0 ? rc : -EINVAL));
}
ncpts = rc;
OBD_ALLOC(service, offsetof(struct ptlrpc_service, srv_parts[ncpts]));
if (service == NULL) {
if (cpts != NULL)
- OBD_FREE(cpts, sizeof(*cpts) * ncpts);
+ OBD_FREE_PTR_ARRAY(cpts, ncpts);
RETURN(ERR_PTR(-ENOMEM));
}
/* request takes one export refcount */
req->rq_export = class_export_get(export);
class_export_rpc_inc(export);
-
- return;
}
/**
struct ptlrpc_service_part *svcpt = req->rq_rqbd->rqbd_svcpt;
struct ptlrpc_request *reqcopy;
struct lustre_msg *reqmsg;
- time64_t olddl = req->rq_deadline - ktime_get_real_seconds();
+ timeout_t olddl = req->rq_deadline - ktime_get_real_seconds();
time64_t newdl;
int rc;
* difference between clients' and servers' expectations
*/
DEBUG_REQ(D_ADAPTTO, req,
- "%ssending early reply (deadline %+llds, margin %+llds) for %d+%d",
+ "%ssending early reply (deadline %+ds, margin %+ds) for %d+%d",
AT_OFF ? "AT off - not " : "",
- (s64)olddl, (s64)(olddl - at_get(&svcpt->scp_at_estimate)),
+ olddl, olddl - at_get(&svcpt->scp_at_estimate),
at_get(&svcpt->scp_at_estimate), at_extra);
if (AT_OFF)
if (olddl < 0) {
/* below message is checked in replay-ost-single.sh test_9 */
DEBUG_REQ(D_WARNING, req,
- "Already past deadline (%+llds), not sending early reply. Consider increasing at_early_margin (%d)?",
- (s64)olddl, at_early_margin);
+ "Already past deadline (%+ds), not sending early reply. Consider increasing at_early_margin (%d)?",
+ olddl, at_early_margin);
/* Return an error so we're not re-added to the timed list. */
RETURN(-ETIMEDOUT);
*/
if (req->rq_deadline >= newdl) {
DEBUG_REQ(D_WARNING, req,
- "Could not add any time (%lld/%lld), not sending early reply",
- (s64)olddl, (s64)(newdl - ktime_get_real_seconds()));
+ "Could not add any time (%d/%lld), not sending early reply",
+ olddl, newdl - ktime_get_real_seconds());
RETURN(-ETIMEDOUT);
}
{
struct ptlrpc_at_array *array = &svcpt->scp_at_array;
struct ptlrpc_request *rq, *n;
- struct list_head work_list;
+ LIST_HEAD(work_list);
__u32 index, count;
time64_t deadline;
time64_t now = ktime_get_real_seconds();
- s64 delay;
+ s64 delay_ms;
int first, counter = 0;
ENTRY;
spin_unlock(&svcpt->scp_at_lock);
RETURN(0);
}
- delay = ktime_ms_delta(ktime_get(), svcpt->scp_at_checktime);
+ delay_ms = ktime_ms_delta(ktime_get(), svcpt->scp_at_checktime);
svcpt->scp_at_check = 0;
if (array->paa_count == 0) {
* We're close to a timeout, and we don't know how much longer the
* server will take. Send early replies to everyone expiring soon.
*/
- INIT_LIST_HEAD(&work_list);
deadline = -1;
div_u64_rem(array->paa_deadline, array->paa_size, &index);
count = array->paa_count;
*/
LCONSOLE_WARN("%s: This server is not able to keep up with request traffic (cpu-bound).\n",
svcpt->scp_service->srv_name);
- CWARN("earlyQ=%d reqQ=%d recA=%d, svcEst=%d, delay=%lld\n",
+ CWARN("earlyQ=%d reqQ=%d recA=%d, svcEst=%d, delay=%lldms\n",
counter, svcpt->scp_nreqs_incoming,
svcpt->scp_nreqs_active,
- at_get(&svcpt->scp_at_estimate), delay);
+ at_get(&svcpt->scp_at_estimate), delay_ms);
}
/*
/* req_in handling should/must be fast */
if (ktime_get_real_seconds() - req->rq_arrival_time.tv_sec > 5)
DEBUG_REQ(D_WARNING, req, "Slow req_in handling %llds",
- (s64)(ktime_get_real_seconds() -
- req->rq_arrival_time.tv_sec));
+ ktime_get_real_seconds() -
+ req->rq_arrival_time.tv_sec);
/* Set rpc server deadline and add it to the timed list */
deadline = (lustre_msghdr_get_flags(req->rq_reqmsg) &
CDEBUG(D_RPCTRACE,
"Handling RPC req@%p pname:cluuid+ref:pid:xid:nid:opc:job %s:%s+%d:%d:x%llu:%s:%d:%s\n",
- request, current_comm(),
+ request, current->comm,
(request->rq_export ?
(char *)request->rq_export->exp_client_uuid.uuid : "0"),
(request->rq_export ?
- atomic_read(&request->rq_export->exp_refcount) : -99),
+ refcount_read(&request->rq_export->exp_handle.h_ref) : -99),
lustre_msg_get_status(request->rq_reqmsg), request->rq_xid,
libcfs_id2str(request->rq_peer),
lustre_msg_get_opc(request->rq_reqmsg),
arrived_usecs = ktime_us_delta(work_end, arrived);
CDEBUG(D_RPCTRACE,
"Handled RPC req@%p pname:cluuid+ref:pid:xid:nid:opc:job %s:%s+%d:%d:x%llu:%s:%d:%s Request processed in %lldus (%lldus total) trans %llu rc %d/%d\n",
- request, current_comm(),
+ request, current->comm,
(request->rq_export ?
(char *)request->rq_export->exp_client_uuid.uuid : "0"),
(request->rq_export ?
- atomic_read(&request->rq_export->exp_refcount) : -99),
+ refcount_read(&request->rq_export->exp_handle.h_ref) : -99),
lustre_msg_get_status(request->rq_reqmsg),
request->rq_xid,
libcfs_id2str(request->rq_peer),
}
}
-static int ptlrpc_retry_rqbds(void *arg)
-{
- struct ptlrpc_service_part *svcpt = (struct ptlrpc_service_part *)arg;
-
- svcpt->scp_rqbd_timeout = 0;
- return -ETIMEDOUT;
-}
-
static inline int ptlrpc_threads_enough(struct ptlrpc_service_part *svcpt)
{
return svcpt->scp_nreqs_active <
}
}
-static void ptlrpc_watchdog_init(struct delayed_work *work, time_t time)
+static void ptlrpc_watchdog_init(struct delayed_work *work, timeout_t timeout)
{
INIT_DELAYED_WORK(work, ptlrpc_watchdog_fire);
- schedule_delayed_work(work, cfs_time_seconds(time));
+ schedule_delayed_work(work, cfs_time_seconds(timeout));
}
static void ptlrpc_watchdog_disable(struct delayed_work *work)
cancel_delayed_work_sync(work);
}
-static void ptlrpc_watchdog_touch(struct delayed_work *work, time_t time)
+static void ptlrpc_watchdog_touch(struct delayed_work *work, timeout_t timeout)
{
struct ptlrpc_thread *thread = container_of(&work->work,
struct ptlrpc_thread,
t_watchdog.work);
thread->t_touched = ktime_get();
- mod_delayed_work(system_wq, work, cfs_time_seconds(time));
+ mod_delayed_work(system_wq, work, cfs_time_seconds(timeout));
}
/**
ptlrpc_wait_event(struct ptlrpc_service_part *svcpt,
struct ptlrpc_thread *thread)
{
- /* Don't exit while there are replies to be handled */
- struct l_wait_info lwi = LWI_TIMEOUT(svcpt->scp_rqbd_timeout,
- ptlrpc_retry_rqbds, svcpt);
-
ptlrpc_watchdog_disable(&thread->t_watchdog);
cond_resched();
- l_wait_event_exclusive_head(svcpt->scp_waitq,
- ptlrpc_thread_stopping(thread) ||
- ptlrpc_server_request_incoming(svcpt) ||
- ptlrpc_server_request_pending(svcpt, false) ||
- ptlrpc_rqbd_pending(svcpt) ||
- ptlrpc_at_check(svcpt), &lwi);
+ if (svcpt->scp_rqbd_timeout == 0)
+ /* Don't exit while there are replies to be handled */
+ wait_event_idle_exclusive_lifo(
+ svcpt->scp_waitq,
+ ptlrpc_thread_stopping(thread) ||
+ ptlrpc_server_request_incoming(svcpt) ||
+ ptlrpc_server_request_pending(svcpt, false) ||
+ ptlrpc_rqbd_pending(svcpt) ||
+ ptlrpc_at_check(svcpt));
+ else if (wait_event_idle_exclusive_lifo_timeout(
+ svcpt->scp_waitq,
+ ptlrpc_thread_stopping(thread) ||
+ ptlrpc_server_request_incoming(svcpt) ||
+ ptlrpc_server_request_pending(svcpt, false) ||
+ ptlrpc_rqbd_pending(svcpt) ||
+ ptlrpc_at_check(svcpt),
+ svcpt->scp_rqbd_timeout) == 0)
+ svcpt->scp_rqbd_timeout = 0;
if (ptlrpc_thread_stopping(thread))
return -EINTR;
ENTRY;
thread->t_task = current;
- thread->t_pid = current_pid();
+ thread->t_pid = current->pid;
unshare_fs_struct();
if (svc->srv_cpt_bind) {
/* reset le_ses to initial state */
env->le_ses = NULL;
+ /* Refill the context before execution to make sure
+ * all thread keys are allocated */
+ lu_env_refill(env);
/* Process all incoming reqs before handling any */
if (ptlrpc_server_request_incoming(svcpt)) {
lu_context_enter(&env->le_ctx);
{
struct ptlrpc_hr_thread *hrt = (struct ptlrpc_hr_thread *)arg;
struct ptlrpc_hr_partition *hrp = hrt->hrt_partition;
- struct list_head replies;
+ LIST_HEAD(replies);
struct lu_env *env;
int rc;
if (env == NULL)
RETURN(-ENOMEM);
- INIT_LIST_HEAD(&replies);
unshare_fs_struct();
rc = cfs_cpt_bind(ptlrpc_hr.hr_cpt_table, hrp->hrp_cpt);
wake_up(&ptlrpc_hr.hr_waitq);
while (!ptlrpc_hr.hr_stopping) {
- l_wait_condition(hrt->hrt_waitq, hrt_dont_sleep(hrt, &replies));
+ wait_event_idle(hrt->hrt_waitq, hrt_dont_sleep(hrt, &replies));
while (!list_empty(&replies)) {
struct ptlrpc_reply_state *rs;
static void ptlrpc_svcpt_stop_threads(struct ptlrpc_service_part *svcpt)
{
struct ptlrpc_thread *thread;
- struct list_head zombie;
+ LIST_HEAD(zombie);
ENTRY;
CDEBUG(D_INFO, "Stopping threads for service %s\n",
svcpt->scp_service->srv_name);
- INIT_LIST_HEAD(&zombie);
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)
ENTRY;
memset(&ptlrpc_hr, 0, sizeof(ptlrpc_hr));
- ptlrpc_hr.hr_cpt_table = cfs_cpt_table;
+ ptlrpc_hr.hr_cpt_table = cfs_cpt_tab;
ptlrpc_hr.hr_partitions = cfs_percpt_alloc(ptlrpc_hr.hr_cpt_table,
sizeof(*hrp));
ptlrpc_stop_hr_threads();
cfs_percpt_for_each(hrp, cpt, ptlrpc_hr.hr_partitions) {
- if (hrp->hrp_thrs != NULL) {
- OBD_FREE(hrp->hrp_thrs,
- hrp->hrp_nthrs * sizeof(hrp->hrp_thrs[0]));
- }
+ if (hrp->hrp_thrs)
+ OBD_FREE_PTR_ARRAY(hrp->hrp_thrs, hrp->hrp_nthrs);
}
cfs_percpt_free(ptlrpc_hr.hr_partitions);
static void ptlrpc_wait_replies(struct ptlrpc_service_part *svcpt)
{
while (1) {
- int rc;
- struct l_wait_info lwi = LWI_TIMEOUT(cfs_time_seconds(10),
- NULL, NULL);
-
- rc = l_wait_event(svcpt->scp_waitq,
- atomic_read(&svcpt->scp_nreps_difficult) == 0, &lwi);
- if (rc == 0)
+ if (wait_event_idle_timeout(
+ svcpt->scp_waitq,
+ atomic_read(&svcpt->scp_nreps_difficult) == 0,
+ cfs_time_seconds(10)) > 0)
break;
CWARN("Unexpectedly long timeout %s %p\n",
svcpt->scp_service->srv_name, svcpt->scp_service);
{
struct ptlrpc_service_part *svcpt;
struct ptlrpc_request_buffer_desc *rqbd;
- struct l_wait_info lwi;
int rc;
int i;
*/
spin_lock(&svcpt->scp_lock);
while (svcpt->scp_nrqbds_posted != 0) {
+ int seconds = LONG_UNLINK;
+
spin_unlock(&svcpt->scp_lock);
/*
* Network access will complete in finite time but
* the HUGE timeout lets us CWARN for visibility
* of sluggish NALs
*/
- lwi = LWI_TIMEOUT_INTERVAL(
- cfs_time_seconds(LONG_UNLINK),
- cfs_time_seconds(1), NULL, NULL);
- rc = l_wait_event(svcpt->scp_waitq,
- svcpt->scp_nrqbds_posted == 0, &lwi);
- if (rc == -ETIMEDOUT) {
+ while (seconds > 0 &&
+ wait_event_idle_timeout(
+ svcpt->scp_waitq,
+ svcpt->scp_nrqbds_posted == 0,
+ cfs_time_seconds(1)) == 0)
+ seconds -= 1;
+ if (seconds == 0) {
CWARN("Service %s waiting for request buffers\n",
svcpt->scp_service->srv_name);
}
array = &svcpt->scp_at_array;
if (array->paa_reqs_array != NULL) {
- OBD_FREE(array->paa_reqs_array,
- sizeof(struct list_head) * array->paa_size);
+ OBD_FREE_PTR_ARRAY(array->paa_reqs_array,
+ array->paa_size);
array->paa_reqs_array = NULL;
}
if (array->paa_reqs_count != NULL) {
- OBD_FREE(array->paa_reqs_count,
- sizeof(__u32) * array->paa_size);
+ OBD_FREE_PTR_ARRAY(array->paa_reqs_count,
+ array->paa_size);
array->paa_reqs_count = NULL;
}
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff