diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2019-10-17 14:31:27 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-10-24 10:30:40 -0400 |
| commit | b5cde6aa882dfb40a2b29c1c7371fdc3655c51ce (patch) | |
| tree | f0876ea6e3fa94a420fbe2eb68cdedcd6868f113 /net/sunrpc | |
| parent | f995879ec4aa8b50c3924fda3014b0ab9acad7bd (diff) | |
| download | blackbird-op-linux-b5cde6aa882dfb40a2b29c1c7371fdc3655c51ce.tar.gz blackbird-op-linux-b5cde6aa882dfb40a2b29c1c7371fdc3655c51ce.zip | |
xprtrdma: Remove rpcrdma_sendctx::sc_device
Micro-optimization: Save eight bytes in a frequently allocated
structure.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 4 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 1 |
2 files changed, 2 insertions, 3 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 7b1358284242..1941b2261ca5 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -564,6 +564,7 @@ static void rpcrdma_sendctx_done(struct kref *kref) */ void rpcrdma_sendctx_unmap(struct rpcrdma_sendctx *sc) { + struct rpcrdma_regbuf *rb = sc->sc_req->rl_sendbuf; struct ib_sge *sge; if (!sc->sc_unmap_count) @@ -575,7 +576,7 @@ void rpcrdma_sendctx_unmap(struct rpcrdma_sendctx *sc) */ for (sge = &sc->sc_sges[2]; sc->sc_unmap_count; ++sge, --sc->sc_unmap_count) - ib_dma_unmap_page(sc->sc_device, sge->addr, sge->length, + ib_dma_unmap_page(rdmab_device(rb), sge->addr, sge->length, DMA_TO_DEVICE); kref_put(&sc->sc_req->rl_kref, rpcrdma_sendctx_done); @@ -625,7 +626,6 @@ static bool rpcrdma_prepare_msg_sges(struct rpcrdma_xprt *r_xprt, */ if (!rpcrdma_regbuf_dma_map(r_xprt, rb)) goto out_regbuf; - sc->sc_device = rdmab_device(rb); sge_no = 1; sge[sge_no].addr = rdmab_addr(rb); sge[sge_no].length = xdr->head[0].iov_len; diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 4897c09d6f61..0e5b7f373077 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -221,7 +221,6 @@ struct rpcrdma_req; struct rpcrdma_sendctx { struct ib_send_wr sc_wr; struct ib_cqe sc_cqe; - struct ib_device *sc_device; struct rpcrdma_req *sc_req; unsigned int sc_unmap_count; struct ib_sge sc_sges[]; |
