Commit ae68d0de authored by Steve French's avatar Steve French

fix throttle to limit number of requests to 50 on wire to server at one time.

Signed-off-by: Steve French (sfrench@us.ibm.com)
parent 81a50e44
......@@ -203,15 +203,22 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
to the same server. We may make this configurable later or
use ses->maxReq */
spin_lock(&GlobalMid_Lock);
while(1) {
if(atomic_read(&ses->server->inFlight) >= CIFS_MAX_REQ) {
spin_unlock(&GlobalMid_Lock);
wait_event(ses->server->request_q,atomic_read(&ses->server->inFlight) < CIFS_MAX_REQ);
spin_lock(&GlobalMid_Lock);
} else {
/* can not count locking commands against the total since
they are allowed to block on server */
if(long_op < 3) {
/* update # of requests on the wire to this server */
atomic_inc(&ses->server->inFlight);
}
if(atomic_read(&ses->server->inFlight) > CIFS_MAX_REQ) {
wait_event(ses->server->request_q,atomic_read(&ses->server->inFlight) <= CIFS_MAX_REQ);
spin_unlock(&GlobalMid_Lock);
break;
}
}
/* make sure that we sign in the same order that we send on this socket
......
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