nfsd41: sunrpc: move struct rpc_buffer def into sunrpc.h

Move struct rpc_buffer's definition into a sunrpc.h, a common, internal
header file, in preparation for supporting the nfsv4.1 backchannel.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: sunrpc: #include <linux/net.h> from sunrpc.h]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 10 insertions, 0 deletions

diff --git a/net/sunrpc/sunrpc.h b/net/sunrpc/sunrpc.h
index 5d9dd742264b..13171e63f51b 100644
--- a/net/sunrpc/sunrpc.h
+++ b/net/sunrpc/sunrpc.h
@@ -27,6 +27,16 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef _NET_SUNRPC_SUNRPC_H
 #define _NET_SUNRPC_SUNRPC_H
 
+#include <linux/net.h>
+
+/*
+ * Header for dynamically allocated rpc buffers.
+ */
+struct rpc_buffer {
+        size_t  len;
+        char    data[];
+};
+
 static inline int rpc_reply_expected(struct rpc_task *task)
 {
         return (task->tk_msg.rpc_proc != NULL) &&