diff options
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index d6e344fa33ad..8173b67ec7b0 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -807,11 +807,17 @@ store_state_field(struct device *dev, struct device_attribute *attr, mutex_lock(&sdev->state_mutex); ret = scsi_device_set_state(sdev, state); /* - * If the device state changes to SDEV_RUNNING, we need to run - * the queue to avoid I/O hang. + * If the device state changes to SDEV_RUNNING, we need to + * run the queue to avoid I/O hang, and rescan the device + * to revalidate it. Running the queue first is necessary + * because another thread may be waiting inside + * blk_mq_freeze_queue_wait() and because that call may be + * waiting for pending I/O to finish. */ - if (ret == 0 && state == SDEV_RUNNING) + if (ret == 0 && state == SDEV_RUNNING) { blk_mq_run_hw_queues(sdev->request_queue, true); + scsi_rescan_device(dev); + } mutex_unlock(&sdev->state_mutex); return ret == 0 ? count : -EINVAL; |