diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-03 18:41:32 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-30 15:35:15 -0400 |
| commit | 36bd7de949f41d586ef7794169af75462b67acbc (patch) | |
| tree | 9ac9fd84f682992ddae85e2f175799fb78f63979 | |
| parent | f05d54ecf66224e2c585f969aa7b9dbe76a1ec46 (diff) | |
SUNRPC: Turn off throttling of RPC slots for TCP sockets
The theory was that we would need to grab the socket lock anyway, so we
might as well use it to gate the allocation of RPC slots for a TCP
socket.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 1 | ||||
| -rw-r--r-- | net/sunrpc/xprt.c | 14 | ||||
| -rw-r--r-- | net/sunrpc/xprtsock.c | 2 |
3 files changed, 1 insertions, 16 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 0d0cc127615e..14c9b4d49fb4 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -343,7 +343,6 @@ int xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task); void xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task); void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req); -void xprt_lock_and_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task); bool xprt_prepare_transmit(struct rpc_task *task); void xprt_request_enqueue_transmit(struct rpc_task *task); void xprt_request_enqueue_receive(struct rpc_task *task); diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 533df198a0e9..849e102e3c5a 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1429,20 +1429,6 @@ out_init_req: } EXPORT_SYMBOL_GPL(xprt_alloc_slot); -void xprt_lock_and_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task) -{ - /* Note: grabbing the xprt_lock_write() ensures that we throttle - * new slot allocation if the transport is congested (i.e. when - * reconnecting a stream transport or when out of socket write - * buffer space). - */ - if (xprt_lock_write(xprt, task)) { - xprt_alloc_slot(xprt, task); - xprt_release_write(xprt, task); - } -} -EXPORT_SYMBOL_GPL(xprt_lock_and_alloc_slot); - void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req) { spin_lock(&xprt->reserve_lock); diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 8831e84a058a..f54e8110f4c6 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2809,7 +2809,7 @@ static const struct rpc_xprt_ops xs_udp_ops = { static const struct rpc_xprt_ops xs_tcp_ops = { .reserve_xprt = xprt_reserve_xprt, .release_xprt = xprt_release_xprt, - .alloc_slot = xprt_lock_and_alloc_slot, + .alloc_slot = xprt_alloc_slot, .free_slot = xprt_free_slot, .rpcbind = rpcb_getport_async, .set_port = xs_set_port, |