block: unify request timeout handling

[linux-2.6-omap-h63xx.git] / drivers / scsi / libiscsi.c

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 8b4e412a0974345762008ab40ca5b61bc29fd446..1eca82420aab06bbb96696fb916e8afddcd3890b 100644 (file)
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1476,12 +1476,12 @@ static void iscsi_start_tx(struct iscsi_conn *conn)
                scsi_queue_work(conn->session->host, &conn->xmitwork);
 }
 
-static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
+static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
 {
        struct iscsi_cls_session *cls_session;
        struct iscsi_session *session;
        struct iscsi_conn *conn;
-       enum scsi_eh_timer_return rc = EH_NOT_HANDLED;
+       enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
 
        cls_session = starget_to_session(scsi_target(scmd->device));
        session = cls_session->dd_data;
@@ -1494,14 +1494,14 @@ static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
                 * We are probably in the middle of iscsi recovery so let
                 * that complete and handle the error.
                 */
-               rc = EH_RESET_TIMER;
+               rc = BLK_EH_RESET_TIMER;
                goto done;
        }
 
        conn = session->leadconn;
        if (!conn) {
                /* In the middle of shuting down */
-               rc = EH_RESET_TIMER;
+               rc = BLK_EH_RESET_TIMER;
                goto done;
        }
 
@@ -1513,20 +1513,21 @@ static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
         */
        if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) +
                            (conn->ping_timeout * HZ), jiffies))
-               rc = EH_RESET_TIMER;
+               rc = BLK_EH_RESET_TIMER;
        /*
         * if we are about to check the transport then give the command
         * more time
         */
        if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ),
                           jiffies))
-               rc = EH_RESET_TIMER;
+               rc = BLK_EH_RESET_TIMER;
        /* if in the middle of checking the transport then give us more time */
        if (conn->ping_task)
-               rc = EH_RESET_TIMER;
+               rc = BLK_EH_RESET_TIMER;
 done:
        spin_unlock(&session->lock);
-       debug_scsi("return %s\n", rc == EH_RESET_TIMER ? "timer reset" : "nh");
+       debug_scsi("return %s\n", rc == BLK_EH_RESET_TIMER ?
+                                       "timer reset" : "nh");
        return rc;
 }
 
@@ -1857,6 +1858,9 @@ EXPORT_SYMBOL_GPL(iscsi_pool_free);
  */
 int iscsi_host_add(struct Scsi_Host *shost, struct device *pdev)
 {
+       if (!shost->can_queue)
+               shost->can_queue = ISCSI_DEF_XMIT_CMDS_MAX;
+
        return scsi_add_host(shost, pdev);
 }
 EXPORT_SYMBOL_GPL(iscsi_host_add);
@@ -1942,6 +1946,9 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
        struct iscsi_session *session;
        struct iscsi_cls_session *cls_session;
        int cmd_i, scsi_cmds, total_cmds = cmds_max;
+
+       if (!total_cmds)
+               total_cmds = ISCSI_DEF_XMIT_CMDS_MAX;
        /*
         * The iscsi layer needs some tasks for nop handling and tmfs,
         * so the cmds_max must at least be greater than ISCSI_MGMT_CMDS_MAX