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authorRahul Iyer <iyer@netapp.com>2009-09-10 10:32:28 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-09-11 15:04:16 -0400
commit4cfc7e6019caa3e97d2a81c48c8d575d7b38d751 (patch)
tree8dced61360d385b115da94f9a4fd5f8d635c296d /net/sunrpc/sunrpc.h
parent6951867b9967066eda090f46ad91ce69e0ead611 (diff)
nfsd41: sunrpc: Added rpc server-side backchannel handling
When the call direction is a reply, copy the xid and call direction into the req->rq_private_buf.head[0].iov_base otherwise rpc_verify_header returns rpc_garbage. Signed-off-by: Rahul Iyer <iyer@netapp.com> Signed-off-by: Mike Sager <sager@netapp.com> Signed-off-by: Marc Eshel <eshel@almaden.ibm.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> [get rid of CONFIG_NFSD_V4_1] [sunrpc: refactoring of svc_tcp_recvfrom] [nfsd41: sunrpc: create common send routine for the fore and the back channels] [nfsd41: sunrpc: Use free_page() to free server backchannel pages] [nfsd41: sunrpc: Document server backchannel locking] [nfsd41: sunrpc: remove bc_connect_worker()] [nfsd41: sunrpc: Define xprt_server_backchannel()[ [nfsd41: sunrpc: remove bc_close and bc_init_auto_disconnect dummy functions] [nfsd41: sunrpc: eliminate unneeded switch statement in xs_setup_tcp()] [nfsd41: sunrpc: Don't auto close the server backchannel connection] [nfsd41: sunrpc: Remove unused functions] Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> [nfsd41: change bc_sock to bc_xprt] [nfsd41: sunrpc: move struct rpc_buffer def into a common header file] [nfsd41: sunrpc: use rpc_sleep in bc_send_request so not to block on mutex] [removed cosmetic changes] Signed-off-by: Benny Halevy <bhalevy@panasas.com> [sunrpc: add new xprt class for nfsv4.1 backchannel] [sunrpc: v2.1 change handling of auto_close and init_auto_disconnect operations for the nfsv4.1 backchannel] Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> [reverted more cosmetic leftovers] [got rid of xprt_server_backchannel] [separated "nfsd41: sunrpc: add new xprt class for nfsv4.1 backchannel"] Signed-off-by: Benny Halevy <bhalevy@panasas.com> Cc: Trond Myklebust <trond.myklebust@netapp.com> [sunrpc: change idle timeout value for the backchannel] Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Acked-by: Trond Myklebust <trond.myklebust@netapp.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'net/sunrpc/sunrpc.h')
-rw-r--r--net/sunrpc/sunrpc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sunrpc/sunrpc.h b/net/sunrpc/sunrpc.h
index 13171e63f51b..90c292e2738b 100644
--- a/net/sunrpc/sunrpc.h
+++ b/net/sunrpc/sunrpc.h
@@ -43,5 +43,9 @@ static inline int rpc_reply_expected(struct rpc_task *task)
43 (task->tk_msg.rpc_proc->p_decode != NULL); 43 (task->tk_msg.rpc_proc->p_decode != NULL);
44} 44}
45 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
46#endif /* _NET_SUNRPC_SUNRPC_H */ 50#endif /* _NET_SUNRPC_SUNRPC_H */
47 51