spin_lock_irqsave(&dev->rad_lock, flags);
- if (!dev->rad_ready) {
- dev->rad_ready = 1;
- cfs_waitq_signal(&dev->rad_waitq);
- }
+ if (!dev->rad_ready) {
+ dev->rad_ready = 1;
+ wake_up(&dev->rad_waitq);
+ }
spin_unlock_irqrestore(&dev->rad_lock, flags);
return;
spin_lock_irqsave(&dev->rad_lock, flags);
- if (!conn->rac_scheduled) {
- kranal_conn_addref(conn); /* +1 ref for scheduler */
- conn->rac_scheduled = 1;
- cfs_list_add_tail(&conn->rac_schedlist, &dev->rad_ready_conns);
- cfs_waitq_signal(&dev->rad_waitq);
- }
+ if (!conn->rac_scheduled) {
+ kranal_conn_addref(conn); /* +1 ref for scheduler */
+ conn->rac_scheduled = 1;
+ cfs_list_add_tail(&conn->rac_schedlist, &dev->rad_ready_conns);
+ wake_up(&dev->rad_waitq);
+ }
spin_unlock_irqrestore(&dev->rad_lock, flags);
}
spin_lock(&kranal_data.kra_connd_lock);
- cfs_list_add_tail(&peer->rap_connd_list,
- &kranal_data.kra_connd_peers);
- cfs_waitq_signal(&kranal_data.kra_connd_waitq);
+ cfs_list_add_tail(&peer->rap_connd_list,
+ &kranal_data.kra_connd_peers);
+ wake_up(&kranal_data.kra_connd_waitq);
spin_unlock(&kranal_data.kra_connd_lock);
}
int
kranal_connd (void *arg)
{
- long id = (long)arg;
- cfs_waitlink_t wait;
- unsigned long flags;
- kra_peer_t *peer;
- kra_acceptsock_t *ras;
- int did_something;
+ long id = (long)arg;
+ wait_queue_t wait;
+ unsigned long flags;
+ kra_peer_t *peer;
+ kra_acceptsock_t *ras;
+ int did_something;
- cfs_block_allsigs();
+ cfs_block_allsigs();
- cfs_waitlink_init(&wait);
+ init_waitqueue_entry_current(&wait);
spin_lock_irqsave(&kranal_data.kra_connd_lock, flags);
- while (!kranal_data.kra_shutdown) {
- did_something = 0;
+ while (!kranal_data.kra_shutdown) {
+ did_something = 0;
- if (!cfs_list_empty(&kranal_data.kra_connd_acceptq)) {
- ras = cfs_list_entry(kranal_data.kra_connd_acceptq.next,
- kra_acceptsock_t, ras_list);
- cfs_list_del(&ras->ras_list);
+ if (!cfs_list_empty(&kranal_data.kra_connd_acceptq)) {
+ ras = cfs_list_entry(kranal_data.kra_connd_acceptq.next,
+ kra_acceptsock_t, ras_list);
+ cfs_list_del(&ras->ras_list);
spin_unlock_irqrestore(&kranal_data.kra_connd_lock,
- flags);
+ flags);
- CDEBUG(D_NET,"About to handshake someone\n");
+ CDEBUG(D_NET,"About to handshake someone\n");
- kranal_conn_handshake(ras->ras_sock, NULL);
- kranal_free_acceptsock(ras);
+ kranal_conn_handshake(ras->ras_sock, NULL);
+ kranal_free_acceptsock(ras);
- CDEBUG(D_NET,"Finished handshaking someone\n");
+ CDEBUG(D_NET,"Finished handshaking someone\n");
spin_lock_irqsave(&kranal_data.kra_connd_lock,
- flags);
- did_something = 1;
- }
+ flags);
+ did_something = 1;
+ }
- if (!cfs_list_empty(&kranal_data.kra_connd_peers)) {
- peer = cfs_list_entry(kranal_data.kra_connd_peers.next,
- kra_peer_t, rap_connd_list);
+ if (!cfs_list_empty(&kranal_data.kra_connd_peers)) {
+ peer = cfs_list_entry(kranal_data.kra_connd_peers.next,
+ kra_peer_t, rap_connd_list);
- cfs_list_del_init(&peer->rap_connd_list);
+ cfs_list_del_init(&peer->rap_connd_list);
spin_unlock_irqrestore(&kranal_data.kra_connd_lock,
- flags);
+ flags);
- kranal_connect(peer);
- kranal_peer_decref(peer);
+ kranal_connect(peer);
+ kranal_peer_decref(peer);
spin_lock_irqsave(&kranal_data.kra_connd_lock,
- flags);
- did_something = 1;
- }
+ flags);
+ did_something = 1;
+ }
- if (did_something)
- continue;
+ if (did_something)
+ continue;
- cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
- cfs_waitq_add_exclusive(&kranal_data.kra_connd_waitq, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue_exclusive(&kranal_data.kra_connd_waitq, &wait);
spin_unlock_irqrestore(&kranal_data.kra_connd_lock, flags);
- cfs_waitq_wait(&wait, CFS_TASK_INTERRUPTIBLE);
+ waitq_wait(&wait, TASK_INTERRUPTIBLE);
- cfs_set_current_state(CFS_TASK_RUNNING);
- cfs_waitq_del(&kranal_data.kra_connd_waitq, &wait);
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&kranal_data.kra_connd_waitq, &wait);
spin_lock_irqsave(&kranal_data.kra_connd_lock, flags);
- }
+ }
spin_unlock_irqrestore(&kranal_data.kra_connd_lock, flags);
- kranal_thread_fini();
- return 0;
+ kranal_thread_fini();
+ return 0;
}
void
int
kranal_reaper (void *arg)
{
- cfs_waitlink_t wait;
- unsigned long flags;
- long timeout;
- int i;
- int conn_entries = kranal_data.kra_conn_hash_size;
- int conn_index = 0;
- int base_index = conn_entries - 1;
- unsigned long next_check_time = jiffies;
- long next_min_timeout = CFS_MAX_SCHEDULE_TIMEOUT;
- long current_min_timeout = 1;
+ wait_queue_t wait;
+ unsigned long flags;
+ long timeout;
+ int i;
+ int conn_entries = kranal_data.kra_conn_hash_size;
+ int conn_index = 0;
+ int base_index = conn_entries - 1;
+ unsigned long next_check_time = jiffies;
+ long next_min_timeout = MAX_SCHEDULE_TIMEOUT;
+ long current_min_timeout = 1;
- cfs_block_allsigs();
+ cfs_block_allsigs();
- cfs_waitlink_init(&wait);
+ init_waitqueue_entry_current(&wait);
spin_lock_irqsave(&kranal_data.kra_reaper_lock, flags);
- while (!kranal_data.kra_shutdown) {
- /* I wake up every 'p' seconds to check for timeouts on some
- * more peers. I try to check every connection 'n' times
- * within the global minimum of all keepalive and timeout
- * intervals, to ensure I attend to every connection within
- * (n+1)/n times its timeout intervals. */
- const int p = 1;
- const int n = 3;
- unsigned long min_timeout;
- int chunk;
-
- /* careful with the jiffy wrap... */
- timeout = (long)(next_check_time - jiffies);
- if (timeout > 0) {
- cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
- cfs_waitq_add(&kranal_data.kra_reaper_waitq, &wait);
+ while (!kranal_data.kra_shutdown) {
+ /* I wake up every 'p' seconds to check for timeouts on some
+ * more peers. I try to check every connection 'n' times
+ * within the global minimum of all keepalive and timeout
+ * intervals, to ensure I attend to every connection within
+ * (n+1)/n times its timeout intervals. */
+ const int p = 1;
+ const int n = 3;
+ unsigned long min_timeout;
+ int chunk;
+
+ /* careful with the jiffy wrap... */
+ timeout = (long)(next_check_time - jiffies);
+ if (timeout > 0) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&kranal_data.kra_reaper_waitq, &wait);
spin_unlock_irqrestore(&kranal_data.kra_reaper_lock,
- flags);
+ flags);
- cfs_waitq_timedwait(&wait, CFS_TASK_INTERRUPTIBLE,
- timeout);
+ waitq_timedwait(&wait, TASK_INTERRUPTIBLE,
+ timeout);
spin_lock_irqsave(&kranal_data.kra_reaper_lock,
- flags);
+ flags);
- cfs_set_current_state(CFS_TASK_RUNNING);
- cfs_waitq_del(&kranal_data.kra_reaper_waitq, &wait);
- continue;
- }
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&kranal_data.kra_reaper_waitq, &wait);
+ continue;
+ }
- if (kranal_data.kra_new_min_timeout !=
- CFS_MAX_SCHEDULE_TIMEOUT) {
- /* new min timeout set: restart min timeout scan */
- next_min_timeout = CFS_MAX_SCHEDULE_TIMEOUT;
- base_index = conn_index - 1;
- if (base_index < 0)
- base_index = conn_entries - 1;
-
- if (kranal_data.kra_new_min_timeout <
- current_min_timeout) {
- current_min_timeout =
- kranal_data.kra_new_min_timeout;
- CDEBUG(D_NET, "Set new min timeout %ld\n",
- current_min_timeout);
- }
+ if (kranal_data.kra_new_min_timeout !=
+ MAX_SCHEDULE_TIMEOUT) {
+ /* new min timeout set: restart min timeout scan */
+ next_min_timeout = MAX_SCHEDULE_TIMEOUT;
+ base_index = conn_index - 1;
+ if (base_index < 0)
+ base_index = conn_entries - 1;
+
+ if (kranal_data.kra_new_min_timeout <
+ current_min_timeout) {
+ current_min_timeout =
+ kranal_data.kra_new_min_timeout;
+ CDEBUG(D_NET, "Set new min timeout %ld\n",
+ current_min_timeout);
+ }
- kranal_data.kra_new_min_timeout =
- CFS_MAX_SCHEDULE_TIMEOUT;
- }
- min_timeout = current_min_timeout;
+ kranal_data.kra_new_min_timeout =
+ MAX_SCHEDULE_TIMEOUT;
+ }
+ min_timeout = current_min_timeout;
spin_unlock_irqrestore(&kranal_data.kra_reaper_lock, flags);
- LASSERT (min_timeout > 0);
-
- /* Compute how many table entries to check now so I get round
- * the whole table fast enough given that I do this at fixed
- * intervals of 'p' seconds) */
- chunk = conn_entries;
- if (min_timeout > n * p)
- chunk = (chunk * n * p) / min_timeout;
- if (chunk == 0)
- chunk = 1;
-
- for (i = 0; i < chunk; i++) {
- kranal_reaper_check(conn_index,
- &next_min_timeout);
- conn_index = (conn_index + 1) % conn_entries;
- }
+ LASSERT (min_timeout > 0);
+
+ /* Compute how many table entries to check now so I get round
+ * the whole table fast enough given that I do this at fixed
+ * intervals of 'p' seconds) */
+ chunk = conn_entries;
+ if (min_timeout > n * p)
+ chunk = (chunk * n * p) / min_timeout;
+ if (chunk == 0)
+ chunk = 1;
+
+ for (i = 0; i < chunk; i++) {
+ kranal_reaper_check(conn_index,
+ &next_min_timeout);
+ conn_index = (conn_index + 1) % conn_entries;
+ }
next_check_time += p * HZ;
spin_lock_irqsave(&kranal_data.kra_reaper_lock, flags);
- if (((conn_index - chunk <= base_index &&
- base_index < conn_index) ||
- (conn_index - conn_entries - chunk <= base_index &&
- base_index < conn_index - conn_entries))) {
+ if (((conn_index - chunk <= base_index &&
+ base_index < conn_index) ||
+ (conn_index - conn_entries - chunk <= base_index &&
+ base_index < conn_index - conn_entries))) {
- /* Scanned all conns: set current_min_timeout... */
- if (current_min_timeout != next_min_timeout) {
- current_min_timeout = next_min_timeout;
- CDEBUG(D_NET, "Set new min timeout %ld\n",
- current_min_timeout);
- }
+ /* Scanned all conns: set current_min_timeout... */
+ if (current_min_timeout != next_min_timeout) {
+ current_min_timeout = next_min_timeout;
+ CDEBUG(D_NET, "Set new min timeout %ld\n",
+ current_min_timeout);
+ }
- /* ...and restart min timeout scan */
- next_min_timeout = CFS_MAX_SCHEDULE_TIMEOUT;
- base_index = conn_index - 1;
- if (base_index < 0)
- base_index = conn_entries - 1;
- }
- }
+ /* ...and restart min timeout scan */
+ next_min_timeout = MAX_SCHEDULE_TIMEOUT;
+ base_index = conn_index - 1;
+ if (base_index < 0)
+ base_index = conn_entries - 1;
+ }
+ }
- kranal_thread_fini();
- return 0;
+ kranal_thread_fini();
+ return 0;
}
void
int
kranal_scheduler (void *arg)
{
- kra_device_t *dev = (kra_device_t *)arg;
- cfs_waitlink_t wait;
- kra_conn_t *conn;
+ kra_device_t *dev = (kra_device_t *)arg;
+ wait_queue_t wait;
+ kra_conn_t *conn;
unsigned long flags;
unsigned long deadline;
unsigned long soonest;
cfs_block_allsigs();
- dev->rad_scheduler = current;
- cfs_waitlink_init(&wait);
+ dev->rad_scheduler = current;
+ init_waitqueue_entry_current(&wait);
spin_lock_irqsave(&dev->rad_lock, flags);
if (busy_loops++ >= RANAL_RESCHED) {
spin_unlock_irqrestore(&dev->rad_lock, flags);
- cfs_cond_resched();
- busy_loops = 0;
+ cond_resched();
+ busy_loops = 0;
spin_lock_irqsave(&dev->rad_lock, flags);
}
if (dropped_lock) /* may sleep iff I didn't drop the lock */
continue;
- cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
- cfs_waitq_add_exclusive(&dev->rad_waitq, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue_exclusive(&dev->rad_waitq, &wait);
spin_unlock_irqrestore(&dev->rad_lock, flags);
- if (nsoonest == 0) {
- busy_loops = 0;
- cfs_waitq_wait(&wait, CFS_TASK_INTERRUPTIBLE);
- } else {
- timeout = (long)(soonest - jiffies);
- if (timeout > 0) {
- busy_loops = 0;
- cfs_waitq_timedwait(&wait,
- CFS_TASK_INTERRUPTIBLE,
- timeout);
- }
- }
+ if (nsoonest == 0) {
+ busy_loops = 0;
+ waitq_wait(&wait, TASK_INTERRUPTIBLE);
+ } else {
+ timeout = (long)(soonest - jiffies);
+ if (timeout > 0) {
+ busy_loops = 0;
+ waitq_timedwait(&wait,
+ TASK_INTERRUPTIBLE,
+ timeout);
+ }
+ }
- cfs_waitq_del(&dev->rad_waitq, &wait);
- cfs_set_current_state(CFS_TASK_RUNNING);
+ remove_wait_queue(&dev->rad_waitq, &wait);
+ set_current_state(TASK_RUNNING);
spin_lock_irqsave(&dev->rad_lock, flags);
- }
+ }
spin_unlock_irqrestore(&dev->rad_lock, flags);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff