diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/scsi/scsi_scan.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 3ccaa4b..4d65614 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1642,7 +1642,7 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost) * that other asynchronous scans started after this one won't affect the * ordering of the discovered devices. */ -struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) +static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) { struct async_scan_data *data; @@ -1686,7 +1686,7 @@ struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) * This function announces all the devices it has found to the rest * of the system. */ -void scsi_finish_async_scan(struct async_scan_data *data) +static void scsi_finish_async_scan(struct async_scan_data *data) { struct Scsi_Host *shost; @@ -1719,12 +1719,25 @@ void scsi_finish_async_scan(struct async_scan_data *data) kfree(data); } -static int do_scan_async(void *_data) +static void do_scsi_scan_host(struct Scsi_Host *shost) { - struct async_scan_data *data = _data; - scsi_scan_host_selected(data->shost, SCAN_WILD_CARD, SCAN_WILD_CARD, + if (shost->hostt->scan_finished) { + unsigned long start = jiffies; + if (shost->hostt->scan_start) + shost->hostt->scan_start(shost); + + while (!shost->hostt->scan_finished(shost, jiffies - start)) + msleep(10); + } else { + scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, SCAN_WILD_CARD, 0); + } +} +static int do_scan_async(void *_data) +{ + struct async_scan_data *data = _data; + do_scsi_scan_host(data->shost); scsi_finish_async_scan(data); return 0; } @@ -1742,10 +1755,10 @@ void scsi_scan_host(struct Scsi_Host *shost) data = scsi_prep_async_scan(shost); if (!data) { - scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, - SCAN_WILD_CARD, 0); + do_scsi_scan_host(shost); return; } + kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no); } EXPORT_SYMBOL(scsi_scan_host); |