nfs41: New include/linux/sunrpc/bc_xprt.h

/******************************************************************************

(c) 2008 NetApp.  All Rights Reserved.

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******************************************************************************/

/*

 * Functions to create and manage the backchannel

 */

#ifndef _LINUX_SUNRPC_BC_XPRT_H

#define _LINUX_SUNRPC_BC_XPRT_H

#include <linux/sunrpc/svcsock.h>

#include <linux/sunrpc/xprt.h>

#ifdef CONFIG_NFS_V4_1

struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt);

void xprt_free_bc_request(struct rpc_rqst *req);

int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);

void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs);

#else /* CONFIG_NFS_V4_1 */

static inline int xprt_setup_backchannel(struct rpc_xprt *xprt,

					 unsigned int min_reqs)

{

	return 0;

}

#endif /* CONFIG_NFS_V4_1 */

#endif /* _LINUX_SUNRPC_BC_XPRT_H */