[net/9p] Assign type of transaction to tc->pdu->id which is otherwise unsed.

This will be used by the transport layer to determine the out going
request type. Transport layer uses this information to correctly
place the mapped pages in the PDU. Patches following this will make
use of this to achieve zero copy.

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index d888847db56e..5936c50d0c93 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -579,6 +579,7 @@ EXPORT_SYMBOL(p9stat_read);
 
 int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type)
 {
+        pdu->id = type;
         return p9pdu_writef(pdu, 0, "dbw", 0, type, tag);
 }