Merge tag 'mmc-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

[cascardo/linux.git] / include / linux / sunrpc / svc_rdma.h

diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index d6917b8..cc3ae16 100644 (file)
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -86,6 +86,7 @@ struct svc_rdma_op_ctxt {
        unsigned long flags;
        enum dma_data_direction direction;
        int count;
+       unsigned int mapped_sges;
        struct ib_sge sge[RPCSVC_MAXPAGES];
        struct page *pages[RPCSVC_MAXPAGES];
 };
@@ -136,6 +137,7 @@ struct svcxprt_rdma {
        int                  sc_ord;            /* RDMA read limit */
        int                  sc_max_sge;
        int                  sc_max_sge_rd;     /* max sge for read target */
+       bool                 sc_snd_w_inv;      /* OK to use Send With Invalidate */
 
        atomic_t             sc_sq_count;       /* Number of SQ WR on queue */
        unsigned int         sc_sq_depth;       /* Depth of SQ */
@@ -193,6 +195,14 @@ struct svcxprt_rdma {
 
 #define RPCSVC_MAXPAYLOAD_RDMA RPCSVC_MAXPAYLOAD
 
+/* Track DMA maps for this transport and context */
+static inline void svc_rdma_count_mappings(struct svcxprt_rdma *rdma,
+                                          struct svc_rdma_op_ctxt *ctxt)
+{
+       ctxt->mapped_sges++;
+       atomic_inc(&rdma->sc_dma_used);
+}
+
 /* svc_rdma_backchannel.c */
 extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt,
                                    struct rpcrdma_msg *rmsgp,