9p: VFS switches for 9p2000.L: protocol and client changes

Prepare p9pdu_read/write functions to handle multiple protocols.

Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

2 files changed, 6 insertions, 3 deletions

diff --git a/net/9p/client.c b/net/9p/client.c
index 0aa79faa9850..e2d314674965 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1321,7 +1321,8 @@ static int p9_client_statsize(struct p9_wstat *wst, int proto_version)
         if (wst->muid)
                 ret += strlen(wst->muid);
 
-        if (proto_version == p9_proto_2000u) {
+        if ((proto_version == p9_proto_2000u) ||
+                (proto_version == p9_proto_2000L)) {
                 ret += 2+4+4+4; /* extension[s] n_uid[4] n_gid[4] n_muid[4] */
                 if (wst->extension)
                         ret += strlen(wst->extension);
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index e7541d5b0118..77d3aab4036b 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -341,7 +341,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
                         }
                         break;
                 case '?':
-                        if (proto_version != p9_proto_2000u)
+                        if ((proto_version != p9_proto_2000u) &&
+                                (proto_version != p9_proto_2000L))
                                 return 0;
                         break;
                 default:
@@ -488,7 +489,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
                         }
                         break;
                 case '?':
-                        if (proto_version != p9_proto_2000u)
+                        if ((proto_version != p9_proto_2000u) &&
+                                (proto_version != p9_proto_2000L))
                                 return 0;
                         break;
                 default: