From d81110285f7f6c07a0ce8f99a5ff158a647cd649 Mon Sep 17 00:00:00 2001 From: Erez Zilber Date: Mon, 11 Sep 2006 12:26:33 +0300 Subject: IB/iser: Do not use FMR for a single dma entry sg Fast Memory Registration (fmr) is used to register for rdma an sg whose elements are not linearly sequential after dma mapping. The IB verbs layer provides an "all dma memory MR (memory region)" which can be used for RDMA-ing a dma linearly sequential buffer. Change the code to use the dma mr instead of doing fmr when dma mapping produces a single dma entry sg. Signed-off-by: Erez Zilber Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/iser/iscsi_iser.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.h') diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 0ba02abb0414..7e1a411db2a3 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -175,6 +175,7 @@ struct iser_mem_reg { u64 va; u64 len; void *mem_h; + int is_fmr; }; struct iser_regd_buf { -- cgit v1.2.3