-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* 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/
* No-op implementation.
*/
-void cfs_spin_lock_init(cfs_spinlock_t *lock)
+void spin_lock_init(spinlock_t *lock)
{
- LASSERT(lock != NULL);
- (void)lock;
+ LASSERT(lock != NULL);
+ (void)lock;
}
-void cfs_spin_lock(cfs_spinlock_t *lock)
+void spin_lock(spinlock_t *lock)
{
- (void)lock;
+ (void)lock;
}
-void cfs_spin_unlock(cfs_spinlock_t *lock)
+void spin_unlock(spinlock_t *lock)
{
- (void)lock;
+ (void)lock;
}
-int cfs_spin_trylock(cfs_spinlock_t *lock)
+int spin_trylock(spinlock_t *lock)
{
- (void)lock;
+ (void)lock;
return 1;
}
-void cfs_spin_lock_bh_init(cfs_spinlock_t *lock)
+void spin_lock_bh_init(spinlock_t *lock)
{
- LASSERT(lock != NULL);
- (void)lock;
+ LASSERT(lock != NULL);
+ (void)lock;
}
-void cfs_spin_lock_bh(cfs_spinlock_t *lock)
+void spin_lock_bh(spinlock_t *lock)
{
- LASSERT(lock != NULL);
- (void)lock;
+ LASSERT(lock != NULL);
+ (void)lock;
}
-void cfs_spin_unlock_bh(cfs_spinlock_t *lock)
+void spin_unlock_bh(spinlock_t *lock)
{
- LASSERT(lock != NULL);
- (void)lock;
+ LASSERT(lock != NULL);
+ (void)lock;
}
/*
* - __up(x)
*/
-void cfs_sema_init(cfs_semaphore_t *s, int val)
+void sema_init(struct semaphore *s, int val)
+{
+ LASSERT(s != NULL);
+ (void)s;
+ (void)val;
+}
+
+void __down(struct semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
- (void)val;
+ LASSERT(s != NULL);
+ (void)s;
}
-void __down(cfs_semaphore_t *s)
+int __down_interruptible(struct semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
+ return 0;
}
-void __up(cfs_semaphore_t *s)
+void __up(struct semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
* - complete(c)
* - wait_for_completion(c)
*/
+static wait_handler_t wait_handler;
-static cfs_wait_handler_t wait_handler;
+void init_completion_module(wait_handler_t handler)
+{
+ wait_handler = handler;
+}
-void cfs_init_completion_module(cfs_wait_handler_t handler)
+int call_wait_handler(int timeout)
{
- wait_handler = handler;
+ if (!wait_handler)
+ return -ENOSYS;
+ return wait_handler(timeout);
}
-int cfs_call_wait_handler(int timeout)
+#ifndef HAVE_LIBPTHREAD
+void init_completion(struct completion *c)
{
- if (!wait_handler)
- return -ENOSYS;
- return wait_handler(timeout);
+ LASSERT(c != NULL);
+ c->done = 0;
+ init_waitqueue_head(&c->wait);
}
-void cfs_init_completion(cfs_completion_t *c)
+void fini_completion(struct completion *c)
{
- LASSERT(c != NULL);
- c->done = 0;
- cfs_waitq_init(&c->wait);
}
-void cfs_complete(cfs_completion_t *c)
+void complete(struct completion *c)
{
- LASSERT(c != NULL);
- c->done = 1;
- cfs_waitq_signal(&c->wait);
+ LASSERT(c != NULL);
+ c->done = 1;
+ wake_up(&c->wait);
}
-void cfs_wait_for_completion(cfs_completion_t *c)
+void wait_for_completion(struct completion *c)
{
- LASSERT(c != NULL);
- do {
- if (cfs_call_wait_handler(1000) < 0)
- break;
- } while (c->done == 0);
+ LASSERT(c != NULL);
+ do {
+ if (call_wait_handler(1000) < 0)
+ break;
+ } while (c->done == 0);
}
-int cfs_wait_for_completion_interruptible(cfs_completion_t *c)
+int wait_for_completion_interruptible(struct completion *c)
{
- LASSERT(c != NULL);
- do {
- if (cfs_call_wait_handler(1000) < 0)
- break;
- } while (c->done == 0);
- return 0;
+ LASSERT(c != NULL);
+ do {
+ if (call_wait_handler(1000) < 0)
+ break;
+ } while (c->done == 0);
+ return 0;
}
+#endif /* HAVE_LIBPTHREAD */
/*
* rw_semaphore:
* - up_write(x)
*/
-void cfs_init_rwsem(cfs_rw_semaphore_t *s)
+void init_rwsem(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
-void cfs_down_read(cfs_rw_semaphore_t *s)
+void down_read(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
-int cfs_down_read_trylock(cfs_rw_semaphore_t *s)
+int down_read_trylock(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
return 1;
}
-void cfs_down_write(cfs_rw_semaphore_t *s)
+void down_write(struct rw_semaphore *s)
+{
+ LASSERT(s != NULL);
+ (void)s;
+}
+
+void downgrade_write(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
-int cfs_down_write_trylock(cfs_rw_semaphore_t *s)
+int down_write_trylock(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
return 1;
}
-void cfs_up_read(cfs_rw_semaphore_t *s)
+void up_read(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
-void cfs_up_write(cfs_rw_semaphore_t *s)
+void up_write(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
-void cfs_fini_rwsem(cfs_rw_semaphore_t *s)
+void fini_rwsem(struct rw_semaphore *s)
{
- LASSERT(s != NULL);
- (void)s;
+ LASSERT(s != NULL);
+ (void)s;
}
#ifdef HAVE_LIBPTHREAD
* Multi-threaded user space completion
*/
-void cfs_mt_init_completion(cfs_mt_completion_t *c)
+void init_completion(struct completion *c)
{
LASSERT(c != NULL);
c->c_done = 0;
pthread_cond_init(&c->c_cond, NULL);
}
-void cfs_mt_fini_completion(cfs_mt_completion_t *c)
+void fini_completion(struct completion *c)
{
LASSERT(c != NULL);
pthread_mutex_destroy(&c->c_mut);
pthread_cond_destroy(&c->c_cond);
}
-void cfs_mt_complete(cfs_mt_completion_t *c)
+void complete(struct completion *c)
{
LASSERT(c != NULL);
pthread_mutex_lock(&c->c_mut);
pthread_mutex_unlock(&c->c_mut);
}
-void cfs_mt_wait_for_completion(cfs_mt_completion_t *c)
+void wait_for_completion(struct completion *c)
{
LASSERT(c != NULL);
pthread_mutex_lock(&c->c_mut);
static pthread_mutex_t atomic_guard_lock = PTHREAD_MUTEX_INITIALIZER;
-int cfs_mt_atomic_read(cfs_mt_atomic_t *a)
+int mt_atomic_read(mt_atomic_t *a)
{
int r;
return r;
}
-void cfs_mt_atomic_set(cfs_mt_atomic_t *a, int b)
+void mt_atomic_set(mt_atomic_t *a, int b)
{
pthread_mutex_lock(&atomic_guard_lock);
a->counter = b;
pthread_mutex_unlock(&atomic_guard_lock);
}
-int cfs_mt_atomic_dec_and_test(cfs_mt_atomic_t *a)
+int mt_atomic_dec_and_test(mt_atomic_t *a)
{
int r;
return (r == 0);
}
-void cfs_mt_atomic_inc(cfs_mt_atomic_t *a)
+void mt_atomic_inc(mt_atomic_t *a)
{
pthread_mutex_lock(&atomic_guard_lock);
++a->counter;
pthread_mutex_unlock(&atomic_guard_lock);
}
-void cfs_mt_atomic_dec(cfs_mt_atomic_t *a)
+void mt_atomic_dec(mt_atomic_t *a)
{
pthread_mutex_lock(&atomic_guard_lock);
--a->counter;
pthread_mutex_unlock(&atomic_guard_lock);
}
-void cfs_mt_atomic_add(int b, cfs_mt_atomic_t *a)
+void mt_atomic_add(int b, mt_atomic_t *a)
{
pthread_mutex_lock(&atomic_guard_lock);
pthread_mutex_unlock(&atomic_guard_lock);
}
-void cfs_mt_atomic_sub(int b, cfs_mt_atomic_t *a)
+void mt_atomic_sub(int b, mt_atomic_t *a)
{
pthread_mutex_lock(&atomic_guard_lock);
a->counter -= b;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff