iWARP devices require REMOTE_WRITE for MRs used as the destination of an RDMA READ. IB does not require this. Since isert never advertises the rkey of its DMA MRs to the peer, just add REMOTE_WRITE to the access flags when allocating DMA MRs for all devices.
Signed-off-by: Steve Wise <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> --- drivers/infiniband/ulp/isert/ib_isert.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 9e7b492..2737ade 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -383,7 +383,8 @@ isert_create_device_ib_res(struct isert_device *device) goto out_cq; } - device->mr = ib_get_dma_mr(device->pd, IB_ACCESS_LOCAL_WRITE); + device->mr = ib_get_dma_mr(device->pd, IB_ACCESS_LOCAL_WRITE | + IB_ACCESS_REMOTE_WRITE); if (IS_ERR(device->mr)) { ret = PTR_ERR(device->mr); isert_err("failed to create dma mr, device %p, ret=%d\n", -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
