SUNRPC: minor optimization of "xid" field in rpc_xprt

Move the xid field in the rpc_xprt structure to be in the same cache line
as the reserve_lock, since these are used at the same time.

Test plan:
None.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 60394fbc4c70..0321fb53bd02 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -158,11 +158,6 @@ struct rpc_xprt {
                                 resvport   : 1; /* use a reserved port */
 
         /*
-         * XID
-         */
-        __u32                   xid;            /* Next XID value to use */
-
-        /*
          * State of TCP reply receive stuff
          */
         __be32                  tcp_recm,       /* Fragment header */
@@ -193,8 +188,8 @@ struct rpc_xprt {
          */
         spinlock_t              transport_lock; /* lock transport info */
         spinlock_t              reserve_lock;   /* lock slot table */
+        u32                     xid;            /* Next XID value to use */
         struct rpc_task *       snd_task;       /* Task blocked in send */
-
         struct list_head        recv;
 
         struct {