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 struct lock_class_key {
36 };
37
38 #define lockdep_set_class(lock, key)
39 #define lockdep_set_subclass(lock, sub)
40 #define lockdep_set_class_and_name(lock, key, name)
41 #define lockdep_set_current_reclaim_state(g) do { } while (0)
42 #define lockdep_clear_current_reclaim_state() do { } while (0)
43
44 #ifdef INVARIANTS
45 #define lockdep_assert_held(m) do { \
46 struct lock_object *__lock = (struct lock_object *)(m); \
47 LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED); \
48 } while (0)
49
50 #define lockdep_assert_held_once(m) do { \
51 struct lock_object *__lock = (struct lock_object *)(m); \
52 LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED | LA_NOTRECURSED); \
53 } while (0)
54
55 static __inline bool
lockdep_is_held(void * __m)56 lockdep_is_held(void *__m)
57 {
58 struct lock_object *__lock;
59 struct thread *__td;
60
61 __lock = __m;
62 return (LOCK_CLASS(__lock)->lc_owner(__lock, &__td) != 0);
63 }
64 #define lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
65
66 #else
67 #define lockdep_assert_held(m) do { } while (0)
68
69 #define lockdep_assert_held_once(m) do { } while (0)
70
71 #define lockdep_is_held(m) 1
72 #define lockdep_is_held_type(_m, _t) 1
73 #endif
74
75 #define might_lock(m) do { } while (0)
76 #define might_lock_read(m) do { } while (0)
77
78 #define lock_acquire(...) do { } while (0)
79 #define lock_release(...) do { } while (0)
80 #define lock_acquire_shared_recursive(...) do { } while (0)
81
82 #define mutex_acquire(...) do { } while (0)
83 #define mutex_release(...) do { } while (0)
84
85 #endif /* _LINUX_LOCKDEP_H_ */
86