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LU-1031: add grouplock test to sanity.sh
[fs/lustre-release.git] / lnet / selftest / timer.c
index 388cd8a..2b569dc 100644 (file)
@@ -1,17 +1,45 @@
-/* -*- 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.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
- *   Author: Isaac Huang <isaac@clusterfs.com>
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
  *
+ * Copyright (c) 2011, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/selftest/timer.c
+ *
+ * Author: Isaac Huang <isaac@clusterfs.com>
  */
 
 #define DEBUG_SUBSYSTEM S_LNET
 
-#include <libcfs/kp30.h>
-#include <libcfs/libcfs.h>
-#include <lnet/lib-lnet.h>
-
 #include "selftest.h"
 
 
                                                     (STTIMER_NSLOTS - 1))])
 
 struct st_timer_data {
-        spinlock_t       stt_lock;
+        cfs_spinlock_t   stt_lock;
         /* start time of the slot processed previously */
-        cfs_time_t       stt_prev_slot; 
-        struct list_head stt_hash[STTIMER_NSLOTS];
+        cfs_time_t       stt_prev_slot;
+        cfs_list_t       stt_hash[STTIMER_NSLOTS];
         int              stt_shuttingdown;
 #ifdef __KERNEL__
         cfs_waitq_t      stt_waitq;
@@ -44,28 +72,28 @@ struct st_timer_data {
 void
 stt_add_timer (stt_timer_t *timer)
 {
-        struct list_head *pos;
+        cfs_list_t *pos;
 
-        spin_lock(&stt_data.stt_lock);
+        cfs_spin_lock(&stt_data.stt_lock);
 
 #ifdef __KERNEL__
         LASSERT (stt_data.stt_nthreads > 0);
 #endif
         LASSERT (!stt_data.stt_shuttingdown);
         LASSERT (timer->stt_func != NULL);
-        LASSERT (list_empty(&timer->stt_list));
+        LASSERT (cfs_list_empty(&timer->stt_list));
         LASSERT (cfs_time_after(timer->stt_expires, cfs_time_current_sec()));
 
         /* a simple insertion sort */
-        list_for_each_prev (pos, STTIMER_SLOT(timer->stt_expires)) {
-                stt_timer_t *old = list_entry(pos, stt_timer_t, stt_list);
+        cfs_list_for_each_prev (pos, STTIMER_SLOT(timer->stt_expires)) {
+                stt_timer_t *old = cfs_list_entry(pos, stt_timer_t, stt_list);
 
                 if (cfs_time_aftereq(timer->stt_expires, old->stt_expires))
                         break;
         }
-        list_add(&timer->stt_list, pos);
+        cfs_list_add(&timer->stt_list, pos);
 
-        spin_unlock(&stt_data.stt_lock);
+        cfs_spin_unlock(&stt_data.stt_lock);
 }
 
 /*
@@ -82,42 +110,42 @@ stt_del_timer (stt_timer_t *timer)
 {
         int ret = 0;
 
-        spin_lock(&stt_data.stt_lock);
+        cfs_spin_lock(&stt_data.stt_lock);
 
 #ifdef __KERNEL__
         LASSERT (stt_data.stt_nthreads > 0);
 #endif
         LASSERT (!stt_data.stt_shuttingdown);
 
-        if (!list_empty(&timer->stt_list)) {
+        if (!cfs_list_empty(&timer->stt_list)) {
                 ret = 1;
-                list_del_init(&timer->stt_list);
+                cfs_list_del_init(&timer->stt_list);
         }
 
-        spin_unlock(&stt_data.stt_lock);
+        cfs_spin_unlock(&stt_data.stt_lock);
         return ret;
 }
 
 /* called with stt_data.stt_lock held */
 int
-stt_expire_list (struct list_head *slot, cfs_time_t now)
+stt_expire_list (cfs_list_t *slot, cfs_time_t now)
 {
         int          expired = 0;
         stt_timer_t *timer;
 
-        while (!list_empty(slot)) {
-                timer = list_entry(slot->next, stt_timer_t, stt_list);
+        while (!cfs_list_empty(slot)) {
+                timer = cfs_list_entry(slot->next, stt_timer_t, stt_list);
 
                 if (cfs_time_after(timer->stt_expires, now))
                         break;
 
-                list_del_init(&timer->stt_list);
-                spin_unlock(&stt_data.stt_lock);
+                cfs_list_del_init(&timer->stt_list);
+                cfs_spin_unlock(&stt_data.stt_lock);
 
                 expired++;
                 (*timer->stt_func) (timer->stt_data);
                 
-                spin_lock(&stt_data.stt_lock);
+                cfs_spin_lock(&stt_data.stt_lock);
         }
 
         return expired;
@@ -133,7 +161,7 @@ stt_check_timers (cfs_time_t *last)
         now = cfs_time_current_sec();
         this_slot = now & STTIMER_SLOTTIMEMASK;
 
-        spin_lock(&stt_data.stt_lock);
+        cfs_spin_lock(&stt_data.stt_lock);
 
         while (cfs_time_aftereq(this_slot, *last)) {
                 expired += stt_expire_list(STTIMER_SLOT(this_slot), now);
@@ -141,7 +169,7 @@ stt_check_timers (cfs_time_t *last)
         }
 
         *last = now & STTIMER_SLOTTIMEMASK;
-        spin_unlock(&stt_data.stt_lock);
+        cfs_spin_unlock(&stt_data.stt_lock);
         return expired;
 }
 
@@ -150,22 +178,26 @@ stt_check_timers (cfs_time_t *last)
 int
 stt_timer_main (void *arg)
 {
+        int rc = 0;
         UNUSED(arg);
 
+        SET_BUT_UNUSED(rc);
+
         cfs_daemonize("st_timer");
         cfs_block_allsigs();
 
         while (!stt_data.stt_shuttingdown) {
                 stt_check_timers(&stt_data.stt_prev_slot);
 
-                wait_event_timeout(stt_data.stt_waitq,
+                cfs_waitq_wait_event_timeout(stt_data.stt_waitq,
                                    stt_data.stt_shuttingdown,
-                                   cfs_time_seconds(STTIMER_SLOTTIME));
+                                   cfs_time_seconds(STTIMER_SLOTTIME),
+                                   rc);
         }
 
-        spin_lock(&stt_data.stt_lock);
+        cfs_spin_lock(&stt_data.stt_lock);
         stt_data.stt_nthreads--;
-        spin_unlock(&stt_data.stt_lock);
+        cfs_spin_unlock(&stt_data.stt_lock);
         return 0;
 }
 
@@ -176,13 +208,13 @@ stt_start_timer_thread (void)
 
         LASSERT (!stt_data.stt_shuttingdown);
 
-        pid = cfs_kernel_thread(stt_timer_main, NULL, 0);
+        pid = cfs_create_thread(stt_timer_main, NULL, 0);
         if (pid < 0)
                 return (int)pid;
 
-        spin_lock(&stt_data.stt_lock);
+        cfs_spin_lock(&stt_data.stt_lock);
         stt_data.stt_nthreads++;
-        spin_unlock(&stt_data.stt_lock);
+        cfs_spin_unlock(&stt_data.stt_lock);
         return 0;
 }
 
@@ -211,7 +243,7 @@ stt_startup (void)
         stt_data.stt_shuttingdown = 0;
         stt_data.stt_prev_slot = cfs_time_current_sec() & STTIMER_SLOTTIMEMASK;
 
-        spin_lock_init(&stt_data.stt_lock);
+        cfs_spin_lock_init(&stt_data.stt_lock);
         for (i = 0; i < STTIMER_NSLOTS; i++)
                 CFS_INIT_LIST_HEAD(&stt_data.stt_hash[i]);
 
@@ -231,10 +263,10 @@ stt_shutdown (void)
 {
         int i;
 
-        spin_lock(&stt_data.stt_lock);
+        cfs_spin_lock(&stt_data.stt_lock);
 
         for (i = 0; i < STTIMER_NSLOTS; i++)
-                LASSERT (list_empty(&stt_data.stt_hash[i]));
+                LASSERT (cfs_list_empty(&stt_data.stt_hash[i]));
 
         stt_data.stt_shuttingdown = 1;
 
@@ -245,6 +277,6 @@ stt_shutdown (void)
                        stt_data.stt_nthreads);
 #endif
 
-        spin_unlock(&stt_data.stt_lock);
+        cfs_spin_unlock(&stt_data.stt_lock);
         return;
 }