rxrpc: Allow multiple client connections to the same peer

Allow the number of parallel connections to a machine to be expanded from a
single connection to a maximum of four.  This allows up to 16 calls to be
in progress at the same time to any particular peer instead of 4.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2020-07-03 00:39:47 +01:00
parent 245500d853
commit 288827d53e

View file

@ -486,6 +486,12 @@ static void rxrpc_maybe_add_conn(struct rxrpc_bundle *bundle, gfp_t gfp)
if (!usable)
goto alloc_conn;
if (!bundle->avail_chans &&
!bundle->try_upgrade &&
!list_empty(&bundle->waiting_calls) &&
usable < ARRAY_SIZE(bundle->conns))
goto alloc_conn;
spin_unlock(&bundle->channel_lock);
_leave("");
return;