xprtrdma: Use an llist to manage free rpcrdma_reps

[linux.git] / net / sunrpc / xprtrdma / xprt_rdma.h

diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 200d075bbe313ebf645d32a62ec29e004a08527e..bd1befa83d243e2cc882e3655ebc3b271dcbb212 100644 (file)
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -47,6 +47,7 @@
 #include <linux/atomic.h>              /* atomic_t, etc */
 #include <linux/kref.h>                        /* struct kref */
 #include <linux/workqueue.h>           /* struct work_struct */
+#include <linux/llist.h>
 
 #include <rdma/rdma_cm.h>              /* RDMA connection api */
 #include <rdma/ib_verbs.h>             /* RDMA verbs api */
@@ -200,7 +201,7 @@ struct rpcrdma_rep {
        struct rpc_rqst         *rr_rqst;
        struct xdr_buf          rr_hdrbuf;
        struct xdr_stream       rr_stream;
-       struct list_head        rr_list;
+       struct llist_node       rr_node;
        struct ib_recv_wr       rr_recv_wr;
 };
 
@@ -362,7 +363,6 @@ rpcrdma_mr_pop(struct list_head *list)
 struct rpcrdma_buffer {
        spinlock_t              rb_lock;
        struct list_head        rb_send_bufs;
-       struct list_head        rb_recv_bufs;
        struct list_head        rb_mrs;
 
        unsigned long           rb_sc_head;
@@ -373,6 +373,8 @@ struct rpcrdma_buffer {
        struct list_head        rb_allreqs;
        struct list_head        rb_all_mrs;
 
+       struct llist_head       rb_free_reps;
+
        u32                     rb_max_requests;
        u32                     rb_credits;     /* most recent credit grant */