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| author | Hannes Reinecke <hare@suse.de> | 2015-11-09 13:24:28 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-30 11:23:45 -0500 |
| commit | 09e2b0b14690fb13ccfc04af49f156df3e25b152 (patch) | |
| tree | 4643ba86b1896df0b6a119416f31db4d4da0851b /drivers/scsi/scsi_scan.c | |
| parent | fe0798c5e150be8f06959250076d3864477e74c2 (diff) | |
| download | lwn-09e2b0b14690fb13ccfc04af49f156df3e25b152.tar.gz lwn-09e2b0b14690fb13ccfc04af49f156df3e25b152.zip | |
scsi: rescan VPD attributes
The VPD page information might change, so we need to be able to update
it. This patch implements a VPD page rescan whenever the 'rescan' sysfs
attribute is triggered.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 83245391e956..a1c195d71fd1 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -236,6 +236,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, INIT_LIST_HEAD(&sdev->starved_entry); INIT_LIST_HEAD(&sdev->event_list); spin_lock_init(&sdev->list_lock); + mutex_init(&sdev->inquiry_mutex); INIT_WORK(&sdev->event_work, scsi_evt_thread); INIT_WORK(&sdev->requeue_work, scsi_requeue_run_queue); @@ -1516,6 +1517,9 @@ EXPORT_SYMBOL(scsi_add_device); void scsi_rescan_device(struct device *dev) { device_lock(dev); + + scsi_attach_vpd(to_scsi_device(dev)); + if (dev->driver && try_module_get(dev->driver->owner)) { struct scsi_driver *drv = to_scsi_driver(dev->driver); |