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path: root/drivers/scsi/libiscsi.c
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Diffstat (limited to 'drivers/scsi/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 010c1b9b178..b43bf1d60da 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -730,7 +730,9 @@ static int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
if (iscsi_recv_pdu(conn->cls_conn, hdr, data,
datalen))
rc = ISCSI_ERR_CONN_FAILED;
- }
+ } else
+ mod_timer(&conn->transport_timer,
+ jiffies + conn->recv_timeout);
iscsi_free_mgmt_task(conn, mtask);
break;
default:
@@ -1453,19 +1455,20 @@ static void iscsi_check_transport_timeouts(unsigned long data)
{
struct iscsi_conn *conn = (struct iscsi_conn *)data;
struct iscsi_session *session = conn->session;
- unsigned long timeout, next_timeout = 0, last_recv;
+ unsigned long recv_timeout, next_timeout = 0, last_recv;
spin_lock(&session->lock);
if (session->state != ISCSI_STATE_LOGGED_IN)
goto done;
- timeout = conn->recv_timeout;
- if (!timeout)
+ recv_timeout = conn->recv_timeout;
+ if (!recv_timeout)
goto done;
- timeout *= HZ;
+ recv_timeout *= HZ;
last_recv = conn->last_recv;
- if (time_before_eq(last_recv + timeout + (conn->ping_timeout * HZ),
+ if (conn->ping_mtask &&
+ time_before_eq(conn->last_ping + (conn->ping_timeout * HZ),
jiffies)) {
iscsi_conn_printk(KERN_ERR, conn, "ping timeout of %d secs "
"expired, last rx %lu, last ping %lu, "
@@ -1476,15 +1479,13 @@ static void iscsi_check_transport_timeouts(unsigned long data)
return;
}
- if (time_before_eq(last_recv + timeout, jiffies)) {
- if (time_before_eq(conn->last_ping, last_recv)) {
- /* send a ping to try to provoke some traffic */
- debug_scsi("Sending nopout as ping on conn %p\n", conn);
- iscsi_send_nopout(conn, NULL);
- }
- next_timeout = last_recv + timeout + (conn->ping_timeout * HZ);
+ if (time_before_eq(last_recv + recv_timeout, jiffies)) {
+ /* send a ping to try to provoke some traffic */
+ debug_scsi("Sending nopout as ping on conn %p\n", conn);
+ iscsi_send_nopout(conn, NULL);
+ next_timeout = conn->last_ping + (conn->ping_timeout * HZ);
} else
- next_timeout = last_recv + timeout;
+ next_timeout = last_recv + recv_timeout;
debug_scsi("Setting next tmo %lu\n", next_timeout);
mod_timer(&conn->transport_timer, next_timeout);