bcache in userspace; userspace fsck

1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/lglock.h b/include/linux/lglock.h
new file mode 100644
index 00000000..a9108bcd
--- /dev/null
+++ b/include/linux/lglock.h
@@ -0,0 +1,18 @@
+#ifndef __TOOLS_LINUX_LGLOCK_H
+#define __TOOLS_LINUX_LGLOCK_H
+
+#include <pthread.h>
+
+struct lglock {
+	pthread_mutex_t lock;
+};
+
+#define lg_lock_free(l)		do {} while (0)
+#define lg_lock_init(l)		pthread_mutex_init(&(l)->lock, NULL)
+
+#define lg_local_lock(l)	pthread_mutex_lock(&(l)->lock)
+#define lg_local_unlock(l)	pthread_mutex_unlock(&(l)->lock)
+#define lg_global_lock(l)	pthread_mutex_lock(&(l)->lock)
+#define lg_global_unlock(l)	pthread_mutex_unlock(&(l)->lock)
+
+#endif /* __TOOLS_LINUX_LGLOCK_H */