1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32#ifndef _LINUX_LOCKDEP_H_ 33#define _LINUX_LOCKDEP_H_ 34 35#include <sys/lock.h> 36 37 struct lock_class_key { 38}; 39 40#define lockdep_set_class(lock, key) 41#define lockdep_set_subclass(lock, sub) 42#define lockdep_set_class_and_name(lock, key, name) 43#define lockdep_set_current_reclaim_state(g) do { } while (0) 44#define lockdep_clear_current_reclaim_state() do { } while (0) 45 46#ifdef INVARIANTS 47#define lockdep_assert_held(m) do { \ 48 struct lock_object *__lock = (struct lock_object *)(m); \ 49 LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED); \ 50} while (0) 51 52#define lockdep_assert_held_once(m) do { \ 53 struct lock_object *__lock = (struct lock_object *)(m); \ 54 LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED | LA_NOTRECURSED); \ 55} while (0) 56 57 static __inline bool 58 lockdep_is_held(void *__m) 59{ 60 struct lock_object *__lock; 61 struct thread *__td; 62 63 __lock = __m; 64 return (LOCK_CLASS(__lock)->lc_owner(__lock, &__td) != 0); 65} 66#define lockdep_is_held_type(_m, _t) lockdep_is_held(_m) 67 68#else 69#define lockdep_assert_held(m) do { } while (0) 70 71#define lockdep_assert_held_once(m) do { } while (0) 72 73#define lockdep_is_held(m) 1 74#define lockdep_is_held_type(_m, _t) 1 75#endif 76 77#define might_lock(m) do { } while (0) 78#define might_lock_read(m) do { } while (0) 79 80#define lock_acquire(...) do { } while (0) 81#define lock_release(...) do { } while (0) 82#define lock_acquire_shared_recursive(...) do { } while (0) 83 84#define mutex_acquire(...) do { } while (0) 85#define mutex_release(...) do { } while (0) 86 87#endif /* _LINUX_LOCKDEP_H_ */ 88