int *credits;
int optype;
long int t;
+ int scredits = server->credits;
if (timeout < 0)
t = MAX_JIFFY_OFFSET;
/* update # of requests on the wire to server */
if ((flags & CIFS_TIMEOUT_MASK) != CIFS_BLOCKING_OP) {
*credits -= num_credits;
+ scredits = *credits;
server->in_flight += num_credits;
if (server->in_flight > server->max_in_flight)
server->max_in_flight = server->in_flight;
*instance = server->reconnect_instance;
}
spin_unlock(&server->req_lock);
+
+ trace_smb3_add_credits(server->CurrentMid,
+ server->hostname, scredits, -(num_credits));
+ cifs_dbg(FYI, "%s: remove %u credits total=%d\n",
+ __func__, num_credits, scredits);
break;
}
}
const int flags, unsigned int *instance)
{
int *credits;
+ int scredits, sin_flight;
credits = server->ops->get_credits_field(server, flags & CIFS_OP_MASK);
spin_lock(&server->req_lock);
+ scredits = *credits;
+ sin_flight = server->in_flight;
+
if (*credits < num) {
/*
* Return immediately if not too many requests in flight since
*/
if (server->in_flight < num - *credits) {
spin_unlock(&server->req_lock);
+ trace_smb3_insufficient_credits(server->CurrentMid,
+ server->hostname, scredits, sin_flight);
+ cifs_dbg(FYI, "%s: %d requests in flight, needed %d total=%d\n",
+ __func__, sin_flight, num, scredits);
return -ENOTSUPP;
}
}