Optimisations to the pdu queues

[deb_libnfs.git] / include / libnfs-private.h

diff --git a/include/libnfs-private.h b/include/libnfs-private.h
index 07ce9a8f96b2b9d3edf355cbbc56cb0a4994cee5..5d4c47b25447049a273017276f2789cb553aae4e 100644 (file)
--- a/include/libnfs-private.h
+++ b/include/libnfs-private.h
@@ -65,6 +65,13 @@ struct rpc_fragment {
 #define RPC_CONTEXT_MAGIC 0xc6e46435
 #define RPC_PARAM_UNDEFINED -1
 
+/*
+ * Queue is singly-linked but we hold on to the tail
+ */
+struct rpc_queue {
+       struct rpc_pdu *head, *tail;
+};
+
 struct rpc_context {
        uint32_t magic;
        int fd;
@@ -82,9 +89,9 @@ struct rpc_context {
        char *encodebuf;
        int encodebuflen;
 
-       struct rpc_pdu *outqueue;
+       struct rpc_queue outqueue;
        struct sockaddr_storage udp_src;
-       struct rpc_pdu *waitpdu;
+       struct rpc_queue waitpdu;
 
        uint32_t inpos;
        uint32_t insize;
@@ -126,6 +133,10 @@ struct rpc_pdu {
        uint32_t zdr_decode_bufsize;
 };
 
+void rpc_reset_queue(struct rpc_queue *q);
+void rpc_enqueue(struct rpc_queue *q, struct rpc_pdu *pdu);
+void rpc_return_to_queue(struct rpc_queue *q, struct rpc_pdu *pdu);
+
 struct rpc_pdu *rpc_allocate_pdu(struct rpc_context *rpc, int program, int version, int procedure, rpc_cb cb, void *private_data, zdrproc_t zdr_decode_fn, int zdr_bufsize);
 void rpc_free_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
 int rpc_queue_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);