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diff --git a/fs/afs/kafsasyncd.h b/fs/afs/kafsasyncd.h
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+/* kafsasyncd.h: AFS asynchronous operation daemon
+ *
+ * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_AFS_KAFSASYNCD_H
+#define _LINUX_AFS_KAFSASYNCD_H
+
+#include "types.h"
+
+struct afs_async_op;
+
+struct afs_async_op_ops {
+ void (*attend)(struct afs_async_op *op);
+ void (*discard)(struct afs_async_op *op);
+};
+
+/*****************************************************************************/
+/*
+ * asynchronous operation record
+ */
+struct afs_async_op
+{
+ struct list_head link;
+ struct afs_server *server; /* server being contacted */
+ struct rxrpc_call *call; /* RxRPC call performing op */
+ wait_queue_t waiter; /* wait queue for kafsasyncd */
+ const struct afs_async_op_ops *ops; /* operations */
+};
+
+static inline void afs_async_op_init(struct afs_async_op *op,
+ const struct afs_async_op_ops *ops)
+{
+ INIT_LIST_HEAD(&op->link);
+ op->call = NULL;
+ op->ops = ops;
+}
+
+extern int afs_kafsasyncd_start(void);
+extern void afs_kafsasyncd_stop(void);
+
+extern void afs_kafsasyncd_begin_op(struct afs_async_op *op);
+extern void afs_kafsasyncd_attend_op(struct afs_async_op *op);
+extern void afs_kafsasyncd_terminate_op(struct afs_async_op *op);
+
+#endif /* _LINUX_AFS_KAFSASYNCD_H */