staging/lustre/obd: remove struct client_obd_lock

Remove the definition of struct client_obd_lock and the functions
client_obd_list_{init,lock,unlock,done}(). Use spinlock_t for the
cl_{loi,lru}_list_lock members of struct client_obd and call
spin_{lock,unlock}() directly.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 67 deletions

diff --git a/drivers/staging/lustre/lustre/include/linux/obd.h b/drivers/staging/lustre/lustre/include/linux/obd.h
index 3907bf4ce07c..e1063e828229 100644
--- a/drivers/staging/lustre/lustre/include/linux/obd.h
+++ b/drivers/staging/lustre/lustre/include/linux/obd.h
@@ -55,71 +55,4 @@ struct ll_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 */