static void frwr_mr_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr)
{
- if (mr->mr_dir != DMA_NONE) {
+ if (mr->mr_device) {
trace_xprtrdma_mr_unmap(mr);
- ib_dma_unmap_sg(r_xprt->rx_ep->re_id->device,
- mr->mr_sg, mr->mr_nents, mr->mr_dir);
- mr->mr_dir = DMA_NONE;
+ ib_dma_unmap_sg(mr->mr_device, mr->mr_sg, mr->mr_nents,
+ mr->mr_dir);
+ mr->mr_device = NULL;
}
}
mr->mr_xprt = r_xprt;
mr->frwr.fr_mr = frmr;
- mr->mr_dir = DMA_NONE;
+ mr->mr_device = NULL;
INIT_LIST_HEAD(&mr->mr_list);
init_completion(&mr->frwr.fr_linv_done);
mr->mr_dir);
if (!dma_nents)
goto out_dmamap_err;
+ mr->mr_device = ep->re_id->device;
ibmr = mr->frwr.fr_mr;
n = ib_map_mr_sg(ibmr, mr->mr_sg, dma_nents, NULL, PAGE_SIZE);
return seg;
out_dmamap_err:
- mr->mr_dir = DMA_NONE;
trace_xprtrdma_frwr_sgerr(mr, i);
return ERR_PTR(-EIO);
struct rpcrdma_mr {
struct list_head mr_list;
struct rpcrdma_req *mr_req;
+ struct ib_device *mr_device;
struct scatterlist *mr_sg;
int mr_nents;
enum dma_data_direction mr_dir;