Update bcachefs sources to 50847e296b34 bcachefs: Check subvol <-> inode pointers...

[bcachefs-tools-debian] / include / linux / spinlock_types.h

diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h
new file mode 100644 (file)
index 0000000..6c4a623
--- /dev/null
+++ b/include/linux/spinlock_types.h
@@ -0,0 +1,65 @@
+#ifndef __TOOLS_LINUX_SPINLOCK_H
+#define __TOOLS_LINUX_SPINLOCK_H
+
+#include <linux/atomic.h>
+#include <pthread.h>
+
+typedef struct {
+       pthread_mutex_t lock;
+} raw_spinlock_t;
+
+#define __RAW_SPIN_LOCK_UNLOCKED(name) (raw_spinlock_t) { .lock = PTHREAD_MUTEX_INITIALIZER  }
+
+static inline void raw_spin_lock_init(raw_spinlock_t *lock)
+{
+       pthread_mutex_init(&lock->lock, NULL);
+}
+
+static inline bool raw_spin_trylock(raw_spinlock_t *lock)
+{
+       return !pthread_mutex_trylock(&lock->lock);
+}
+
+static inline void raw_spin_lock(raw_spinlock_t *lock)
+{
+       pthread_mutex_lock(&lock->lock);
+}
+
+static inline void raw_spin_unlock(raw_spinlock_t *lock)
+{
+       pthread_mutex_unlock(&lock->lock);
+}
+
+#define raw_spin_lock_irq(lock)                raw_spin_lock(lock)
+#define raw_spin_unlock_irq(lock)      raw_spin_unlock(lock)
+
+#define raw_spin_lock_irqsave(lock, flags)             \
+do {                                                   \
+       flags = 0;                                      \
+       raw_spin_lock(lock);                            \
+} while (0)
+
+#define raw_spin_unlock_irqrestore(lock, flags) raw_spin_unlock(lock)
+
+typedef raw_spinlock_t spinlock_t;
+
+#define __SPIN_LOCK_UNLOCKED(name)     __RAW_SPIN_LOCK_UNLOCKED(name)
+
+#define DEFINE_SPINLOCK(x)     spinlock_t x = __SPIN_LOCK_UNLOCKED(x)
+
+#define spin_lock_init(lock)           raw_spin_lock_init(lock)
+#define spin_lock(lock)                        raw_spin_lock(lock)
+#define spin_unlock(lock)              raw_spin_unlock(lock)
+
+#define spin_lock_nested(lock, n)      spin_lock(lock)
+
+#define spin_lock_bh(lock)             raw_spin_lock(lock)
+#define spin_unlock_bh(lock)           raw_spin_unlock(lock)
+
+#define spin_lock_irq(lock)            raw_spin_lock(lock)
+#define spin_unlock_irq(lock)          raw_spin_unlock(lock)
+
+#define spin_lock_irqsave(lock, flags) raw_spin_lock_irqsave(lock, flags)
+#define spin_unlock_irqrestore(lock, flags) raw_spin_unlock_irqrestore(lock, flags)
+
+#endif /* __TOOLS_LINUX_SPINLOCK_H */