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| author | Trond Myklebust | 2019-07-16 13:51:29 -0400 |
|---|---|---|
| committer | Trond Myklebust | 2019-07-18 01:12:59 -0400 |
| commit | 7402a4fedc2bc448100c2d086406c708451b16dc (patch) | |
| tree | 45bafb2c535f1790f99e41cb7de2b7fb0c199c4e /net/sunrpc/xprtrdma/backchannel.c | |
| parent | 9f98effc19bd490a375c4e764a56a2c015d27c3c (diff) | |
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>
Diffstat (limited to 'net/sunrpc/xprtrdma/backchannel.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/backchannel.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index ce986591f213..59e624b1d7a0 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -52,6 +52,13 @@ size_t xprt_rdma_bc_maxpayload(struct rpc_xprt *xprt) return maxmsg - RPCRDMA_HDRLEN_MIN; } +unsigned int xprt_rdma_bc_max_slots(struct rpc_xprt *xprt) +{ + struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); + + return r_xprt->rx_buf.rb_bc_srv_max_requests; +} + static int rpcrdma_bc_marshal_reply(struct rpc_rqst *rqst) { struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_xprt); |