SUNRPC: Fix up backchannel slot table accounting

Add a per-transport maximum limit in the socket case, and add helpers to allow the NFSv4 code to discover that limit. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-07-16 13:51:29 -04:00
parent 9f98effc19
commit 7402a4fedc
11 changed files with 55 additions and 21 deletions
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2788,6 +2788,7 @@ static const struct rpc_xprt_ops xs_tcp_ops = {
 #ifdef CONFIG_SUNRPC_BACKCHANNEL
 	.bc_setup		= xprt_setup_bc,
 	.bc_maxpayload		= xs_tcp_bc_maxpayload,
+	.bc_num_slots		= xprt_bc_max_slots,
 	.bc_free_rqst		= xprt_free_bc_rqst,
 	.bc_destroy		= xprt_destroy_bc,
 #endif