svcrdma: Change WR context get/put to use the kmem cache

Change the WR context pool to be shared across mount points. This
reduces the RDMA transport memory footprint significantly since
idle mounts don't consume WR context memory.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index d8d74c4ab504..ef2e3a20bf3b 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -73,7 +73,6 @@ extern atomic_t rdma_stat_sq_prod;
 struct svc_rdma_op_ctxt {
         struct svc_rdma_op_ctxt *read_hdr;
         int hdr_count;
-        struct list_head free_list;
         struct xdr_buf arg;
         struct list_head dto_q;
         enum ib_wr_opcode wr_op;
@@ -131,11 +130,6 @@ struct svcxprt_rdma {
 
         atomic_t             sc_dma_used;
         atomic_t             sc_ctxt_used;
-        struct list_head     sc_ctxt_free;
-        int                  sc_ctxt_cnt;
-        int                  sc_ctxt_bump;
-        int                  sc_ctxt_max;
-        spinlock_t           sc_ctxt_lock;
         struct list_head     sc_rq_dto_q;
         spinlock_t           sc_rq_dto_lock;
         struct ib_qp         *sc_qp;