diff options
| author |   Chuck Lever <chuck.lever@oracle.com> | 2015-10-24 17:27:10 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-11-02 13:45:15 -0500 |
| commit | fe97b47cd623ebbaa55a163c336abc47153526d1 (patch) | |
| tree | d936169799d99d924f92b385d1af31d62d083b90 /net/sunrpc/xprtrdma/transport.c | |
| parent | xprtrdma: Replace send and receive arrays (diff) | |
| download | linux-dev-fe97b47cd623ebbaa55a163c336abc47153526d1.tar.xz linux-dev-fe97b47cd623ebbaa55a163c336abc47153526d1.zip | |
xprtrdma: Use workqueue to process RPC/RDMA replies
The reply tasklet is fast, but it's single threaded. After reply
traffic saturates a single CPU, there's no more reply processing
capacity.
Replace the tasklet with a workqueue to spread reply handling across
all CPUs. This also moves RPC/RDMA reply handling out of the soft
IRQ context and into a context that allows sleeps.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Tested-By: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/transport.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/transport.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index e9e5ed7a57fe..897a2f3a9620 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -732,6 +732,7 @@ void xprt_rdma_cleanup(void) dprintk("RPC: %s: xprt_unregister returned %i\n", __func__, rc); + rpcrdma_destroy_wq(); frwr_destroy_recovery_wq(); } @@ -743,8 +744,15 @@ int xprt_rdma_init(void) if (rc) return rc; + rc = rpcrdma_alloc_wq(); + if (rc) { + frwr_destroy_recovery_wq(); + return rc; + } + rc = xprt_register_transport(&xprt_rdma); if (rc) { + rpcrdma_destroy_wq(); frwr_destroy_recovery_wq(); return rc; } |