diff options
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/svc_rdma.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 5cf99a016368..45a69411dafc 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -83,6 +83,7 @@ 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]; }; @@ -178,6 +179,14 @@ struct svcxprt_rdma { #define RPCRDMA_MAX_REQUESTS 16 #define RPCRDMA_MAX_REQ_SIZE 4096 +/* 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_marshal.c */ extern void svc_rdma_rcl_chunk_counts(struct rpcrdma_read_chunk *, int *, int *); |