LASSERT(rq_set != NULL);
- cfs_waitq_signal(&rq_set->set_waitq);
+ wake_up(&rq_set->set_waitq);
}
EXPORT_SYMBOL(ptlrpcd_wake);
return &ptlrpcds->pd_thread_rcv;
#ifdef __KERNEL__
- switch (policy) {
- case PDL_POLICY_SAME:
- idx = cfs_smp_processor_id() % ptlrpcds->pd_nthreads;
- break;
+ switch (policy) {
+ case PDL_POLICY_SAME:
+ idx = smp_processor_id() % ptlrpcds->pd_nthreads;
+ break;
case PDL_POLICY_LOCAL:
/* Before CPU partition patches available, process it the same
* as "PDL_POLICY_ROUND". */
* CPU partition patches are available. */
index = -1;
case PDL_POLICY_PREFERRED:
- if (index >= 0 && index < cfs_num_online_cpus()) {
+ if (index >= 0 && index < num_online_cpus()) {
idx = index % ptlrpcds->pd_nthreads;
break;
}
case PDL_POLICY_ROUND:
/* We do not care whether it is strict load balance. */
idx = ptlrpcds->pd_index + 1;
- if (idx == cfs_smp_processor_id())
+ if (idx == smp_processor_id())
idx++;
idx %= ptlrpcds->pd_nthreads;
ptlrpcds->pd_index = idx;
count = cfs_atomic_add_return(i, &new->set_new_count);
cfs_atomic_set(&set->set_remaining, 0);
spin_unlock(&new->set_new_req_lock);
- if (count == i) {
- cfs_waitq_signal(&new->set_waitq);
-
- /* XXX: It maybe unnecessary to wakeup all the partners. But to
- * guarantee the async RPC can be processed ASAP, we have
- * no other better choice. It maybe fixed in future. */
- for (i = 0; i < pc->pc_npartners; i++)
- cfs_waitq_signal(&pc->pc_partners[i]->pc_set->set_waitq);
- }
+ if (count == i) {
+ wake_up(&new->set_waitq);
+
+ /* XXX: It maybe unnecessary to wakeup all the partners. But to
+ * guarantee the async RPC can be processed ASAP, we have
+ * no other better choice. It maybe fixed in future. */
+ for (i = 0; i < pc->pc_npartners; i++)
+ wake_up(&pc->pc_partners[i]->pc_set->set_waitq);
+ }
#endif
}
EXPORT_SYMBOL(ptlrpcd_add_rqset);
/* ptlrpc_check_set will decrease the count */
cfs_atomic_inc(&req->rq_set->set_remaining);
spin_unlock(&req->rq_lock);
- cfs_waitq_signal(&req->rq_set->set_waitq);
+ wake_up(&req->rq_set->set_waitq);
return;
} else {
spin_unlock(&req->rq_lock);
*/
static int ptlrpcd(void *arg)
{
- struct ptlrpcd_ctl *pc = arg;
- struct ptlrpc_request_set *set = pc->pc_set;
- struct lu_env env = { .le_ses = NULL };
- int rc, exit = 0;
- ENTRY;
+ struct ptlrpcd_ctl *pc = arg;
+ struct ptlrpc_request_set *set = pc->pc_set;
+ struct lu_context ses = { 0 };
+ struct lu_env env = { .le_ses = &ses };
+ int rc, exit = 0;
+ ENTRY;
unshare_fs_struct();
#if defined(CONFIG_SMP)
if (test_bit(LIOD_BIND, &pc->pc_flags)) {
int index = pc->pc_index;
- if (index >= 0 && index < cfs_num_possible_cpus()) {
+ if (index >= 0 && index < num_possible_cpus()) {
while (!cpu_online(index)) {
- if (++index >= cfs_num_possible_cpus())
+ if (++index >= num_possible_cpus())
index = 0;
}
- cfs_set_cpus_allowed(cfs_current(),
- *cpumask_of_node(cpu_to_node(index)));
+ set_cpus_allowed_ptr(current,
+ cpumask_of_node(cpu_to_node(index)));
}
}
#endif
- /*
- * XXX So far only "client" ptlrpcd uses an environment. In
- * the future, ptlrpcd thread (or a thread-set) has to given
- * an argument, describing its "scope".
- */
- rc = lu_context_init(&env.le_ctx,
- LCT_CL_THREAD|LCT_REMEMBER|LCT_NOREF);
+ /* Both client and server (MDT/OST) may use the environment. */
+ rc = lu_context_init(&env.le_ctx, LCT_MD_THREAD | LCT_DT_THREAD |
+ LCT_CL_THREAD | LCT_REMEMBER |
+ LCT_NOREF);
+ if (rc == 0) {
+ rc = lu_context_init(env.le_ses,
+ LCT_SESSION|LCT_REMEMBER|LCT_NOREF);
+ if (rc != 0)
+ lu_context_fini(&env.le_ctx);
+ }
complete(&pc->pc_starting);
if (rc != 0)
lwi = LWI_TIMEOUT(cfs_time_seconds(timeout ? timeout : 1),
ptlrpc_expired_set, set);
- lu_context_enter(&env.le_ctx);
- l_wait_event(set->set_waitq,
- ptlrpcd_check(&env, pc), &lwi);
- lu_context_exit(&env.le_ctx);
+ lu_context_enter(&env.le_ctx);
+ lu_context_enter(env.le_ses);
+ l_wait_event(set->set_waitq, ptlrpcd_check(&env, pc), &lwi);
+ lu_context_exit(&env.le_ctx);
+ lu_context_exit(env.le_ses);
- /*
- * Abort inflight rpcs for forced stop case.
- */
+ /*
+ * Abort inflight rpcs for forced stop case.
+ */
if (test_bit(LIOD_STOP, &pc->pc_flags)) {
if (test_bit(LIOD_FORCE, &pc->pc_flags))
ptlrpc_abort_set(set);
*/
if (!cfs_list_empty(&set->set_requests))
ptlrpc_set_wait(set);
- lu_context_fini(&env.le_ctx);
+ lu_context_fini(&env.le_ctx);
+ lu_context_fini(env.le_ses);
complete(&pc->pc_finishing);
- return 0;
+ return 0;
}
/* XXX: We want multiple CPU cores to share the async RPC load. So we start many
{
int i;
mask = *cpumask_of_node(cpu_to_node(index));
- for (i = max; i < cfs_num_online_cpus(); i++)
+ for (i = max; i < num_online_cpus(); i++)
cpu_clear(i, mask);
pc->pc_npartners = cpus_weight(mask) - 1;
set_bit(LIOD_BIND, &pc->pc_flags);
int ptlrpcd_start(int index, int max, const char *name, struct ptlrpcd_ctl *pc)
{
int rc;
- int env = 0;
ENTRY;
/*
pc->pc_set = ptlrpc_prep_set();
if (pc->pc_set == NULL)
GOTO(out, rc = -ENOMEM);
+
+#ifndef __KERNEL__
+ pc->pc_wait_callback =
+ liblustre_register_wait_callback("ptlrpcd_check_async_rpcs",
+ &ptlrpcd_check_async_rpcs, pc);
+ pc->pc_idle_callback =
+ liblustre_register_idle_callback("ptlrpcd_check_idle_rpcs",
+ &ptlrpcd_idle, pc);
+ RETURN(0);
+#else
/*
* So far only "client" ptlrpcd uses an environment. In the future,
* ptlrpcd thread (or a thread-set) has to be given an argument,
*/
rc = lu_context_init(&pc->pc_env.le_ctx, LCT_CL_THREAD|LCT_REMEMBER);
if (rc != 0)
- GOTO(out, rc);
+ GOTO(out_set, rc);
- env = 1;
-#ifdef __KERNEL__
{
- cfs_task_t *task;
+ struct task_struct *task;
if (index >= 0) {
rc = ptlrpcd_bind(index, max);
if (rc < 0)
- GOTO(out, rc);
+ GOTO(out_env, rc);
}
task = kthread_run(ptlrpcd, pc, pc->pc_name);
if (IS_ERR(task))
- GOTO(out, rc = PTR_ERR(task));
+ GOTO(out_env, rc = PTR_ERR(task));
- rc = 0;
wait_for_completion(&pc->pc_starting);
}
-#else
- pc->pc_wait_callback =
- liblustre_register_wait_callback("ptlrpcd_check_async_rpcs",
- &ptlrpcd_check_async_rpcs, pc);
- pc->pc_idle_callback =
- liblustre_register_idle_callback("ptlrpcd_check_idle_rpcs",
- &ptlrpcd_idle, pc);
-#endif
-out:
- if (rc) {
-#ifdef __KERNEL__
- if (pc->pc_set != NULL) {
- struct ptlrpc_request_set *set = pc->pc_set;
+ RETURN(0);
- spin_lock(&pc->pc_lock);
- pc->pc_set = NULL;
- spin_unlock(&pc->pc_lock);
- ptlrpc_set_destroy(set);
- }
- if (env != 0)
- lu_context_fini(&pc->pc_env.le_ctx);
- clear_bit(LIOD_BIND, &pc->pc_flags);
-#else
- SET_BUT_UNUSED(env);
-#endif
- clear_bit(LIOD_START, &pc->pc_flags);
+out_env:
+ lu_context_fini(&pc->pc_env.le_ctx);
+
+out_set:
+ if (pc->pc_set != NULL) {
+ struct ptlrpc_request_set *set = pc->pc_set;
+
+ spin_lock(&pc->pc_lock);
+ pc->pc_set = NULL;
+ spin_unlock(&pc->pc_lock);
+ ptlrpc_set_destroy(set);
}
+ clear_bit(LIOD_BIND, &pc->pc_flags);
+#endif
+out:
+ clear_bit(LIOD_START, &pc->pc_flags);
RETURN(rc);
}
set_bit(LIOD_STOP, &pc->pc_flags);
if (force)
set_bit(LIOD_FORCE, &pc->pc_flags);
- cfs_waitq_signal(&pc->pc_set->set_waitq);
+ wake_up(&pc->pc_set->set_waitq);
out:
EXIT;
static int ptlrpcd_init(void)
{
- int nthreads = cfs_num_online_cpus();
- char name[16];
- int size, i = -1, j, rc = 0;
- ENTRY;
+ int nthreads = num_online_cpus();
+ char name[16];
+ int size, i = -1, j, rc = 0;
+ ENTRY;
#ifdef __KERNEL__
if (max_ptlrpcds > 0 && max_ptlrpcds < nthreads)
ptlrpcds = NULL;
}
- RETURN(0);
+ RETURN(rc);
}
int ptlrpcd_addref(void)
ENTRY;
mutex_lock(&ptlrpcd_mutex);
- if (++ptlrpcd_users == 1)
- rc = ptlrpcd_init();
+ if (++ptlrpcd_users == 1) {
+ rc = ptlrpcd_init();
+ if (rc < 0)
+ ptlrpcd_users--;
+ }
mutex_unlock(&ptlrpcd_mutex);
RETURN(rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff