linux/net/sunrpc/sunrpc.h
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   1/******************************************************************************
   2
   3(c) 2008 NetApp.  All Rights Reserved.
   4
   5NetApp provides this source code under the GPL v2 License.
   6The GPL v2 license is available at
   7http://opensource.org/licenses/gpl-license.php.
   8
   9THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  10"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  11LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  12A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  13CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  14EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  15PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  16PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  17LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  18NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  19SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  20
  21******************************************************************************/
  22
  23/*
  24 * Functions and macros used internally by RPC
  25 */
  26
  27#ifndef _NET_SUNRPC_SUNRPC_H
  28#define _NET_SUNRPC_SUNRPC_H
  29
  30#include <linux/net.h>
  31
  32/*
  33 * Header for dynamically allocated rpc buffers.
  34 */
  35struct rpc_buffer {
  36        size_t  len;
  37        char    data[];
  38};
  39
  40static inline int rpc_reply_expected(struct rpc_task *task)
  41{
  42        return (task->tk_msg.rpc_proc != NULL) &&
  43                (task->tk_msg.rpc_proc->p_decode != NULL);
  44}
  45
  46int svc_send_common(struct socket *sock, struct xdr_buf *xdr,
  47                    struct page *headpage, unsigned long headoffset,
  48                    struct page *tailpage, unsigned long tailoffset);
  49
  50int rpc_clients_notifier_register(void);
  51void rpc_clients_notifier_unregister(void);
  52#endif /* _NET_SUNRPC_SUNRPC_H */
  53
  54
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