diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/linux/obd.h')
-rw-r--r-- | drivers/staging/lustre/lustre/include/linux/obd.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/staging/lustre/lustre/include/linux/obd.h b/drivers/staging/lustre/lustre/include/linux/obd.h deleted file mode 100644 index 3907bf4ce07c..000000000000 --- a/drivers/staging/lustre/lustre/include/linux/obd.h +++ /dev/null @@ -1,125 +0,0 @@ -/* - * 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). - * - * 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) 1999, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - */ - -#ifndef __LINUX_OBD_H -#define __LINUX_OBD_H - -#ifndef __OBD_H -#error Do not #include this file directly. #include <obd.h> instead -#endif - -#include "../obd_support.h" - -#include <linux/fs.h> -#include <linux/list.h> -#include <linux/sched.h> /* for struct task_struct, for current.h */ -#include <linux/mount.h> - -#include "../lustre_intent.h" - -struct ll_iattr { - struct iattr iattr; - unsigned int ia_attr_flags; -}; - -#define CLIENT_OBD_LIST_LOCK_DEBUG 1 - -struct client_obd_lock { - spinlock_t lock; - - unsigned long time; - struct task_struct *task; - const char *func; - int line; -}; - -static inline void __client_obd_list_lock(struct client_obd_lock *lock, - const char *func, int line) -{ - unsigned long cur = jiffies; - - while (1) { - if (spin_trylock(&lock->lock)) { - LASSERT(!lock->task); - lock->task = current; - lock->func = func; - lock->line = line; - lock->time = jiffies; - break; - } - - if (time_before(cur + 5 * HZ, jiffies) && - time_before(lock->time + 5 * HZ, jiffies)) { - struct task_struct *task = lock->task; - - if (!task) - continue; - - LCONSOLE_WARN("%s:%d: lock %p was acquired by <%s:%d:%s:%d> for %lu seconds.\n", - current->comm, current->pid, - lock, task->comm, task->pid, - lock->func, lock->line, - (jiffies - lock->time) / HZ); - LCONSOLE_WARN("====== for current process =====\n"); - dump_stack(); - LCONSOLE_WARN("====== end =======\n"); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1000 * HZ); - } - cpu_relax(); - } -} - -#define client_obd_list_lock(lock) \ - __client_obd_list_lock(lock, __func__, __LINE__) - -static inline void client_obd_list_unlock(struct client_obd_lock *lock) -{ - LASSERT(lock->task); - lock->task = NULL; - lock->time = jiffies; - spin_unlock(&lock->lock); -} - -static inline void client_obd_list_lock_init(struct client_obd_lock *lock) -{ - spin_lock_init(&lock->lock); -} - -static inline void client_obd_list_lock_done(struct client_obd_lock *lock) -{} - -#endif /* __LINUX_OBD_H */ |