diff options
Diffstat (limited to 'drivers/scsi/scsi_transport_sas.c')
| -rw-r--r-- | drivers/scsi/scsi_transport_sas.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 2871fd05fcf7..573f588154d0 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -42,6 +42,7 @@ struct sas_host_attrs { struct list_head rphy_list; struct mutex lock; + struct request_queue *q; u32 next_target_id; u32 next_expander_id; int next_port_id; @@ -215,6 +216,11 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy, } if (rphy) + rphy->q = q; + else + to_sas_host_attrs(shost)->q = q; + + if (rphy) q->queuedata = rphy; else q->queuedata = shost; @@ -224,6 +230,22 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy, return 0; } +static void sas_bsg_remove(struct Scsi_Host *shost, struct sas_rphy *rphy) +{ + struct request_queue *q; + + if (rphy) + q = rphy->q; + else + q = to_sas_host_attrs(shost)->q; + + if (!q) + return; + + bsg_unregister_queue(q); + blk_cleanup_queue(q); +} + /* * SAS host attributes */ @@ -249,8 +271,18 @@ static int sas_host_setup(struct transport_container *tc, struct device *dev, return 0; } +static int sas_host_remove(struct transport_container *tc, struct device *dev, + struct class_device *cdev) +{ + struct Scsi_Host *shost = dev_to_shost(dev); + + sas_bsg_remove(shost, NULL); + + return 0; +} + static DECLARE_TRANSPORT_CLASS(sas_host_class, - "sas_host", sas_host_setup, NULL, NULL); + "sas_host", sas_host_setup, sas_host_remove, NULL); static int sas_host_match(struct attribute_container *cont, struct device *dev) @@ -1414,6 +1446,8 @@ void sas_rphy_free(struct sas_rphy *rphy) list_del(&rphy->list); mutex_unlock(&sas_host->lock); + sas_bsg_remove(shost, rphy); + transport_destroy_device(dev); put_device(dev); |