9p: transport API reorganization

This merges the mux.c (including the connection interface) with trans_fd
in preparation for transport API changes.  Ultimately, trans_fd will need
to be rewritten to clean it up and simplify the implementation, but this
reorganization is viewed as the first step.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

3 files changed, 8 insertions, 65 deletions

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 9b9221a2139..e52f93d9ac5 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -3,6 +3,7 @@
  *
  * 9P Client Definitions
  *
+ *  Copyright (C) 2008 by Eric Van Hensbergen <ericvh@gmail.com>
  *  Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -29,6 +30,7 @@ struct p9_client {
         spinlock_t lock; /* protect client structure */
         int msize;
         unsigned char dotu;
+        struct p9_trans_module *trans_mod;
         struct p9_trans *trans;
         struct p9_conn *conn;
 
@@ -52,8 +54,7 @@ struct p9_fid {
         struct list_head dlist; /* list of all fids attached to a dentry */
 };
 
-struct p9_client *p9_client_create(struct p9_trans *trans, int msize,
-                                                                int dotu);
+struct p9_client *p9_client_create(const char *dev_name, char *options);
 void p9_client_destroy(struct p9_client *clnt);
 void p9_client_disconnect(struct p9_client *clnt);
 struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
diff --git a/include/net/9p/conn.h b/include/net/9p/conn.h
deleted file mode 100644
index 756d8784f95..00000000000
--- a/include/net/9p/conn.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * include/net/9p/conn.h
- *
- * Connection Definitions
- *
- *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
- *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  as published by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to:
- *  Free Software Foundation
- *  51 Franklin Street, Fifth Floor
- *  Boston, MA  02111-1301  USA
- *
- */
-
-#ifndef NET_9P_CONN_H
-#define NET_9P_CONN_H
-
-#undef P9_NONBLOCK
-
-struct p9_conn;
-struct p9_req;
-
-/**
- * p9_mux_req_callback - callback function that is called when the
- * response of a request is received. The callback is called from
- * a workqueue and shouldn't block.
- *
- * @req - request
- * @a - the pointer that was specified when the request was send to be
- *      passed to the callback
- */
-typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
-
-struct p9_conn *p9_conn_create(struct p9_trans *trans, int msize,
-                                                        unsigned char *dotu);
-void p9_conn_destroy(struct p9_conn *);
-int p9_conn_rpc(struct p9_conn *m, struct p9_fcall *tc, struct p9_fcall **rc);
-
-#ifdef P9_NONBLOCK
-int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
-        p9_conn_req_callback cb, void *a);
-#endif /* P9_NONBLOCK */
-
-void p9_conn_cancel(struct p9_conn *m, int err);
-
-#endif /* NET_9P_CONN_H */
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index f9f362e934c..d2209ae9d18 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -4,7 +4,7 @@
  * Transport Definition
  *
  *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
- *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
+ *  Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2
@@ -34,13 +34,12 @@ enum p9_trans_status {
 
 struct p9_trans {
         enum p9_trans_status status;
+        int msize;
+        unsigned char extended;
         void *priv;
-        int (*write) (struct p9_trans *, void *, int);
-        int (*read) (struct p9_trans *, void *, int);
         void (*close) (struct p9_trans *);
-        unsigned int (*poll)(struct p9_trans *, struct poll_table_struct *);
         int (*rpc) (struct p9_trans *t, struct p9_fcall *tc,
-                                struct p9_fcall **rc, int msize, int dotu);
+                                                        struct p9_fcall **rc);
 };
 
 struct p9_trans_module {
@@ -48,7 +47,7 @@ struct p9_trans_module {
         char *name;             /* name of transport */
         int maxsize;            /* max message size of transport */
         int def;                /* this transport should be default */
-        struct p9_trans * (*create)(const char *devname, char *options);
+        struct p9_trans * (*create)(const char *, char *, int, unsigned char);
 };
 
 void v9fs_register_trans(struct p9_trans_module *m);