diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2015-03-30 21:35:44 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-03-31 16:52:53 +0300 |
| commit | d654788e98f74f2df8dfc6079fa314938f739486 (patch) | |
| tree | c1ce64224f93f867ba4220f3f4cebb0b3f0fd9ee /net/sunrpc/xprtrdma/physical_ops.c | |
| parent | e46ac34c3c34e408435656a5fed605c4c787d081 (diff) | |
| download | linux-d654788e98f74f2df8dfc6079fa314938f739486.tar.xz | |
xprtrdma: Make rpcrdma_{un}map_one() into inline functions
These functions are called in a loop for each page transferred via
RDMA READ or WRITE. Extract loop invariants and inline them to
reduce CPU overhead.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Devesh Sharma <Devesh.Sharma@Emulex.Com>
Tested-by: Meghana Cheripady <Meghana.Cheripady@Emulex.Com>
Tested-by: Veeresh U. Kokatnur <veereshuk@chelsio.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/physical_ops.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/physical_ops.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/sunrpc/xprtrdma/physical_ops.c b/net/sunrpc/xprtrdma/physical_ops.c index 0ba130bed1fc..ba518af16787 100644 --- a/net/sunrpc/xprtrdma/physical_ops.c +++ b/net/sunrpc/xprtrdma/physical_ops.c @@ -50,7 +50,8 @@ physical_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg, { struct rpcrdma_ia *ia = &r_xprt->rx_ia; - rpcrdma_map_one(ia, seg, writing); + rpcrdma_map_one(ia->ri_id->device, seg, + rpcrdma_data_dir(writing)); seg->mr_rkey = ia->ri_bind_mem->rkey; seg->mr_base = seg->mr_dma; seg->mr_nsegs = 1; @@ -62,7 +63,12 @@ physical_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg, static int physical_op_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg) { - rpcrdma_unmap_one(&r_xprt->rx_ia, seg); + struct rpcrdma_ia *ia = &r_xprt->rx_ia; + + read_lock(&ia->ri_qplock); + rpcrdma_unmap_one(ia->ri_id->device, seg); + read_unlock(&ia->ri_qplock); + return 1; } |