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-rw-r--r--kernel/include/linux/aio.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/include/linux/aio.h b/kernel/include/linux/aio.h
new file mode 100644
index 000000000..9eb42dbc5
--- /dev/null
+++ b/kernel/include/linux/aio.h
@@ -0,0 +1,33 @@
+#ifndef __LINUX__AIO_H
+#define __LINUX__AIO_H
+
+#include <linux/aio_abi.h>
+
+struct kioctx;
+struct kiocb;
+struct mm_struct;
+
+#define KIOCB_KEY 0
+
+typedef int (kiocb_cancel_fn)(struct kiocb *);
+
+/* prototypes */
+#ifdef CONFIG_AIO
+extern void exit_aio(struct mm_struct *mm);
+extern long do_io_submit(aio_context_t ctx_id, long nr,
+ struct iocb __user *__user *iocbpp, bool compat);
+void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel);
+#else
+static inline void exit_aio(struct mm_struct *mm) { }
+static inline long do_io_submit(aio_context_t ctx_id, long nr,
+ struct iocb __user * __user *iocbpp,
+ bool compat) { return 0; }
+static inline void kiocb_set_cancel_fn(struct kiocb *req,
+ kiocb_cancel_fn *cancel) { }
+#endif /* CONFIG_AIO */
+
+/* for sysctl: */
+extern unsigned long aio_nr;
+extern unsigned long aio_max_nr;
+
+#endif /* __LINUX__AIO_H */