diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-16 13:51:29 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-18 01:12:59 -0400 |
| commit | 7402a4fedc2bc448100c2d086406c708451b16dc (patch) | |
| tree | 45bafb2c535f1790f99e41cb7de2b7fb0c199c4e /net/sunrpc/clnt.c | |
| parent | 9f98effc19bd490a375c4e764a56a2c015d27c3c (diff) | |
| download | linux-7402a4fedc2bc448100c2d086406c708451b16dc.tar.bz2 | |
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/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 383555d2b522..79c849391cb9 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1526,6 +1526,19 @@ size_t rpc_max_bc_payload(struct rpc_clnt *clnt) } EXPORT_SYMBOL_GPL(rpc_max_bc_payload); +unsigned int rpc_num_bc_slots(struct rpc_clnt *clnt) +{ + struct rpc_xprt *xprt; + unsigned int ret; + + rcu_read_lock(); + xprt = rcu_dereference(clnt->cl_xprt); + ret = xprt->ops->bc_num_slots(xprt); + rcu_read_unlock(); + return ret; +} +EXPORT_SYMBOL_GPL(rpc_num_bc_slots); + /** * rpc_force_rebind - force transport to check that remote port is unchanged * @clnt: client to rebind |