staging: lustre: delete linux-lock.h

It was a few empty defines, so just remove the thing.

Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: hpdd-discuss <hpdd-discuss@lists.01.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h

@@ -43,12 +43,12 @@
 
 
 #include <linux/bitops.h>
+#include <linux/mutex.h>
 #include <stdarg.h>
 #include "linux-cpu.h"
 #include "linux-time.h"
 #include "linux-mem.h"
 #include "linux-prim.h"
-#include "linux-lock.h"
 #include "linux-tcpip.h"
 #include "linux-types.h"
 #include "kp30.h"

drivers/staging/lustre/include/linux/libcfs/linux/linux-lock.h

-/*
- * 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * libcfs/include/libcfs/linux/linux-lock.h
- *
- * Basic library routines.
- */
-
-#ifndef __LIBCFS_LINUX_CFS_LOCK_H__
-#define __LIBCFS_LINUX_CFS_LOCK_H__
-
-#ifndef __LIBCFS_LIBCFS_H__
-#error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead
-#endif
-
-#include <linux/mutex.h>
-
-/*
- * IMPORTANT !!!!!!!!
- *
- * All locks' declaration are not guaranteed to be initialized,
- * although some of them are initialized in Linux. All locks
- * declared by CFS_DECL_* should be initialized explicitly.
- */
-
-/*
- * spin_lock "implementation" (use Linux kernel's primitives)
- *
- * - spin_lock_init(x)
- * - spin_lock(x)
- * - spin_lock_bh(x)
- * - spin_lock_bh_init(x)
- * - spin_unlock(x)
- * - spin_unlock_bh(x)
- * - spin_trylock(x)
- * - assert_spin_locked(x)
- *
- * - spin_lock_irq(x)
- * - spin_lock_irqsave(x, f)
- * - spin_unlock_irqrestore(x, f)
- * - read_lock_irqsave(lock, f)
- * - write_lock_irqsave(lock, f)
- * - write_unlock_irqrestore(lock, f)
- */
-
-/*
- * spinlock "implementation"
- */
-
-
-/*
- * rw_semaphore "implementation" (use Linux kernel's primitives)
- *
- * - sema_init(x)
- * - init_rwsem(x)
- * - down_read(x)
- * - up_read(x)
- * - down_write(x)
- * - up_write(x)
- */
-
-#define fini_rwsem(s)		do {} while (0)
-
-/*
- * rwlock_t "implementation" (use Linux kernel's primitives)
- *
- * - rwlock_init(x)
- * - read_lock(x)
- * - read_unlock(x)
- * - write_lock(x)
- * - write_unlock(x)
- * - write_lock_bh(x)
- * - write_unlock_bh(x)
- *
- * - RW_LOCK_UNLOCKED
- */
-
-#ifndef DEFINE_RWLOCK
-#define DEFINE_RWLOCK(lock)	rwlock_t lock = __RW_LOCK_UNLOCKED(lock)
-#endif
-
-/*
- * completion "implementation" (use Linux kernel's primitives)
- *
- * - DECLARE_COMPLETION(work)
- * - INIT_COMPLETION(c)
- * - COMPLETION_INITIALIZER(work)
- * - init_completion(c)
- * - complete(c)
- * - wait_for_completion(c)
- * - wait_for_completion_interruptible(c)
- * - fini_completion(c)
- */
-#define fini_completion(c) do { } while (0)
-
-/*
- * semaphore "implementation" (use Linux kernel's primitives)
- * - DEFINE_SEMAPHORE(name)
- * - sema_init(sem, val)
- * - up(sem)
- * - down(sem)
- * - down_interruptible(sem)
- * - down_trylock(sem)
- */
-
-/*
- * mutex "implementation" (use Linux kernel's primitives)
- *
- * - DEFINE_MUTEX(name)
- * - mutex_init(x)
- * - mutex_lock(x)
- * - mutex_unlock(x)
- * - mutex_trylock(x)
- * - mutex_is_locked(x)
- * - mutex_destroy(x)
- */
-
-#ifndef lockdep_set_class
-
-/**************************************************************************
- *
- * Lockdep "implementation". Also see liblustre.h
- *
- **************************************************************************/
-
-struct lock_class_key {
-	;
-};
-
-#define lockdep_set_class(lock, key) \
-	do { (void)sizeof(lock); (void)sizeof(key); } while (0)
-/* This has to be a macro, so that `subclass' can be undefined in kernels
- * that do not support lockdep. */
-
-static inline void lockdep_off(void)
-{
-}
-
-static inline void lockdep_on(void)
-{
-}
-#else
-
-#endif /* lockdep_set_class */
-
-#ifndef CONFIG_DEBUG_LOCK_ALLOC
-#ifndef mutex_lock_nested
-#define mutex_lock_nested(mutex, subclass) mutex_lock(mutex)
-#endif
-
-#ifndef spin_lock_nested
-#define spin_lock_nested(lock, subclass) spin_lock(lock)
-#endif
-
-#ifndef down_read_nested
-#define down_read_nested(lock, subclass) down_read(lock)
-#endif
-
-#ifndef down_write_nested
-#define down_write_nested(lock, subclass) down_write(lock)
-#endif
-#endif /* CONFIG_DEBUG_LOCK_ALLOC */
-
-#endif /* __LIBCFS_LINUX_CFS_LOCK_H__ */

drivers/staging/lustre/lnet/lnet/acceptor.c

@@ -457,10 +457,8 @@ lnet_acceptor_start(void)
 
 	init_completion(&lnet_acceptor_state.pta_signal);
 	rc = accept2secure(accept_type, &secure);
-	if (rc <= 0) {
-		fini_completion(&lnet_acceptor_state.pta_signal);
+	if (rc <= 0)
 		return rc;
-	}
 
 	if (lnet_count_acceptor_nis() == 0)  /* not required */
 		return 0;
@@ -470,7 +468,6 @@ lnet_acceptor_start(void)
 				  "acceptor_%03ld", secure));
 	if (IS_ERR_VALUE(rc2)) {
 		CERROR("Can't start acceptor thread: %ld\n", rc2);
-		fini_completion(&lnet_acceptor_state.pta_signal);
 
 		return -ESRCH;
 	}
@@ -485,7 +482,6 @@ lnet_acceptor_start(void)
 	}
 
 	LASSERT(lnet_acceptor_state.pta_sock == NULL);
-	fini_completion(&lnet_acceptor_state.pta_signal);
 
 	return -ENETDOWN;
 }
@@ -501,6 +497,4 @@ lnet_acceptor_stop(void)
 
 	/* block until acceptor signals exit */
 	wait_for_completion(&lnet_acceptor_state.pta_signal);
-
-	fini_completion(&lnet_acceptor_state.pta_signal);
 }

drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c

@@ -112,8 +112,6 @@ void cfs_tracefile_fini_arch(void)
 		kfree(cfs_trace_data[i]);
 		cfs_trace_data[i] = NULL;
 	}
-
-	fini_rwsem(&cfs_tracefile_sem);
 }
 
 void cfs_tracefile_read_lock(void)

drivers/staging/lustre/lustre/libcfs/module.c

@@ -439,9 +439,6 @@ static void exit_libcfs_module(void)
 		printk(KERN_ERR "LustreError: libcfs_debug_cleanup: %d\n",
 		       rc);
 
-	fini_rwsem(&ioctl_list_sem);
-	fini_rwsem(&cfs_tracefile_sem);
-
 	libcfs_arch_cleanup();
 }