[SCSI] bfa: IOC fixes, check for IOC down condition.

[safe/jmp/linux-2.6] / drivers / scsi / scsi_scan.c

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 66505bb..4bc8b77 100644 (file)
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -115,12 +115,12 @@ MODULE_PARM_DESC(max_report_luns,
                 "REPORT LUNS maximum number of LUNS received (should be"
                 " between 1 and 16384)");
 
-static unsigned int scsi_inq_timeout = SCSI_TIMEOUT/HZ+3;
+static unsigned int scsi_inq_timeout = SCSI_TIMEOUT/HZ + 18;
 
 module_param_named(inq_timeout, scsi_inq_timeout, uint, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(inq_timeout, 
                 "Timeout (in seconds) waiting for devices to answer INQUIRY."
-                " Default is 5. Some non-compliant devices need more.");
+                " Default is 20. Some devices may need more; most need less.");
 
 /* This lock protects only this list */
 static DEFINE_SPINLOCK(async_scan_lock);
@@ -180,8 +180,6 @@ int scsi_complete_async_scans(void)
        spin_unlock(&async_scan_lock);
 
        kfree(data);
-       /* Synchronize async operations globally */
-       async_synchronize_full();
        return 0;
 }
 
@@ -253,6 +251,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
        sdev->model = scsi_null_device_strs;
        sdev->rev = scsi_null_device_strs;
        sdev->host = shost;
+       sdev->queue_ramp_up_period = SCSI_DEFAULT_RAMP_UP_PERIOD;
        sdev->id = starget->id;
        sdev->lun = lun;
        sdev->channel = starget->channel;
@@ -317,7 +316,9 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
        return sdev;
 
 out_device_destroy:
+       scsi_device_set_state(sdev, SDEV_DEL);
        transport_destroy_device(&sdev->sdev_gendev);
+       put_device(&sdev->sdev_dev);
        put_device(&sdev->sdev_gendev);
 out:
        if (display_failure_msg)
@@ -426,6 +427,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
        INIT_LIST_HEAD(&starget->devices);
        starget->state = STARGET_CREATED;
        starget->scsi_level = SCSI_2;
+       starget->max_target_blocked = SCSI_DEFAULT_TARGET_BLOCKED;
  retry:
        spin_lock_irqsave(shost->host_lock, flags);
 
@@ -796,6 +798,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
        case TYPE_ENCLOSURE:
        case TYPE_COMM:
        case TYPE_RAID:
+       case TYPE_OSD:
                sdev->writeable = 1;
                break;
        case TYPE_ROM:
@@ -876,7 +879,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
         * broken RA4x00 Compaq Disk Array
         */
        if (*bflags & BLIST_MAX_512)
-               blk_queue_max_sectors(sdev->request_queue, 512);
+               blk_queue_max_hw_sectors(sdev->request_queue, 512);
 
        /*
         * Some devices may not want to have a start command automatically
@@ -939,6 +942,8 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
                }
        }
 
+       sdev->max_queue_depth = sdev->queue_depth;
+
        /*
         * Ok, the device is now all set up, we can
         * register it and tell the rest of the kernel
@@ -950,15 +955,6 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
        return SCSI_SCAN_LUN_PRESENT;
 }
 
-static inline void scsi_destroy_sdev(struct scsi_device *sdev)
-{
-       scsi_device_set_state(sdev, SDEV_DEL);
-       if (sdev->host->hostt->slave_destroy)
-               sdev->host->hostt->slave_destroy(sdev);
-       transport_destroy_device(&sdev->sdev_gendev);
-       put_device(&sdev->sdev_gendev);
-}
-
 #ifdef CONFIG_SCSI_LOGGING
 /** 
  * scsi_inq_str - print INQUIRY data from min to max index, strip trailing whitespace
@@ -1136,7 +1132,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
                        }
                }
        } else
-               scsi_destroy_sdev(sdev);
+               __scsi_remove_device(sdev);
  out:
        return res;
 }
@@ -1343,8 +1339,10 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
                sdev = scsi_alloc_sdev(starget, 0, NULL);
                if (!sdev)
                        return 0;
-               if (scsi_device_get(sdev))
+               if (scsi_device_get(sdev)) {
+                       __scsi_remove_device(sdev);
                        return 0;
+               }
        }
 
        sprintf(devname, "host %d channel %d id %d",
@@ -1497,7 +1495,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
                /*
                 * the sdev we used didn't appear in the report luns scan
                 */
-               scsi_destroy_sdev(sdev);
+               __scsi_remove_device(sdev);
        return ret;
 }
 
@@ -1707,7 +1705,7 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost)
        shost_for_each_device(sdev, shost) {
                if (!scsi_host_scan_allowed(shost) ||
                    scsi_sysfs_add_sdev(sdev) != 0)
-                       scsi_destroy_sdev(sdev);
+                       __scsi_remove_device(sdev);
        }
 }
 
@@ -1911,10 +1909,9 @@ struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)
                goto out;
 
        sdev = scsi_alloc_sdev(starget, 0, NULL);
-       if (sdev) {
-               sdev->sdev_gendev.parent = get_device(&starget->dev);
+       if (sdev)
                sdev->borken = 0;
-       } else
+       else
                scsi_target_reap(starget);
        put_device(&starget->dev);
  out:
@@ -1940,7 +1937,7 @@ void scsi_free_host_dev(struct scsi_device *sdev)
 {
        BUG_ON(sdev->id != sdev->host->this_id);
 
-       scsi_destroy_sdev(sdev);
+       __scsi_remove_device(sdev);
 }
 EXPORT_SYMBOL(scsi_free_host_dev);