diff options
Diffstat (limited to 'drivers/scsi/scsi_transport_fc.c')
| -rw-r--r-- | drivers/scsi/scsi_transport_fc.c | 52 |
1 files changed, 38 insertions, 14 deletions
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 1e71abf0607..5f77417ed58 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -2407,8 +2407,12 @@ fc_rport_final_delete(struct work_struct *work) /* * Notify the driver that the rport is now dead. The LLDD will * also guarantee that any communication to the rport is terminated + * + * Avoid this call if we already called it when we preserved the + * rport for the binding. */ - if (i->f->dev_loss_tmo_callbk) + if (!(rport->flags & FC_RPORT_DEVLOSS_CALLBK_DONE) && + (i->f->dev_loss_tmo_callbk)) i->f->dev_loss_tmo_callbk(rport); transport_remove_device(dev); @@ -2486,8 +2490,8 @@ fc_rport_create(struct Scsi_Host *shost, int channel, device_initialize(dev); /* takes self reference */ dev->parent = get_device(&shost->shost_gendev); /* parent reference */ dev->release = fc_rport_dev_release; - sprintf(dev->bus_id, "rport-%d:%d-%d", - shost->host_no, channel, rport->number); + dev_set_name(dev, "rport-%d:%d-%d", + shost->host_no, channel, rport->number); transport_setup_device(dev); error = device_add(dev); @@ -2647,7 +2651,8 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel, spin_lock_irqsave(shost->host_lock, flags); rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT | - FC_RPORT_DEVLOSS_PENDING); + FC_RPORT_DEVLOSS_PENDING | + FC_RPORT_DEVLOSS_CALLBK_DONE); /* if target, initiate a scan */ if (rport->scsi_target_id != -1) { @@ -2944,6 +2949,7 @@ fc_timeout_deleted_rport(struct work_struct *work) struct fc_rport *rport = container_of(work, struct fc_rport, dev_loss_work.work); struct Scsi_Host *shost = rport_to_shost(rport); + struct fc_internal *i = to_fc_internal(shost->transportt); struct fc_host_attrs *fc_host = shost_to_fc_host(shost); unsigned long flags; @@ -3011,6 +3017,17 @@ fc_timeout_deleted_rport(struct work_struct *work) rport->roles = FC_PORT_ROLE_UNKNOWN; rport->port_state = FC_PORTSTATE_NOTPRESENT; rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT; + rport->flags |= FC_RPORT_DEVLOSS_CALLBK_DONE; + + /* + * Pre-emptively kill I/O rather than waiting for the work queue + * item to teardown the starget. (FCOE libFC folks prefer this + * and to have the rport_port_id still set when it's done). + */ + spin_unlock_irqrestore(shost->host_lock, flags); + fc_terminate_rport_io(rport); + + BUG_ON(rport->port_state != FC_PORTSTATE_NOTPRESENT); /* remove the identifiers that aren't used in the consisting binding */ switch (fc_host->tgtid_bind_type) { @@ -3035,12 +3052,19 @@ fc_timeout_deleted_rport(struct work_struct *work) * went away and didn't come back - we'll remove * all attached scsi devices. */ - spin_unlock_irqrestore(shost->host_lock, flags); - - scsi_target_unblock(&rport->dev); fc_queue_work(shost, &rport->stgt_delete_work); + + /* + * Notify the driver that the rport is now dead. The LLDD will + * also guarantee that any communication to the rport is terminated + * + * Note: we set the CALLBK_DONE flag above to correspond + */ + if (i->f->dev_loss_tmo_callbk) + i->f->dev_loss_tmo_callbk(rport); } + /** * fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a disconnected SCSI target. * @work: rport to terminate io on. @@ -3157,8 +3181,8 @@ fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev, device_initialize(dev); /* takes self reference */ dev->parent = get_device(pdev); /* takes parent reference */ dev->release = fc_vport_dev_release; - sprintf(dev->bus_id, "vport-%d:%d-%d", - shost->host_no, channel, vport->number); + dev_set_name(dev, "vport-%d:%d-%d", + shost->host_no, channel, vport->number); transport_setup_device(dev); error = device_add(dev); @@ -3181,19 +3205,19 @@ fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev, */ if (pdev != &shost->shost_gendev) { error = sysfs_create_link(&shost->shost_gendev.kobj, - &dev->kobj, dev->bus_id); + &dev->kobj, dev_name(dev)); if (error) printk(KERN_ERR "%s: Cannot create vport symlinks for " "%s, err=%d\n", - __func__, dev->bus_id, error); + __func__, dev_name(dev), error); } spin_lock_irqsave(shost->host_lock, flags); vport->flags &= ~FC_VPORT_CREATING; spin_unlock_irqrestore(shost->host_lock, flags); dev_printk(KERN_NOTICE, pdev, - "%s created via shost%d channel %d\n", dev->bus_id, + "%s created via shost%d channel %d\n", dev_name(dev), shost->host_no, channel); *ret_vport = vport; @@ -3290,7 +3314,7 @@ fc_vport_terminate(struct fc_vport *vport) return stat; if (dev->parent != &shost->shost_gendev) - sysfs_remove_link(&shost->shost_gendev.kobj, dev->bus_id); + sysfs_remove_link(&shost->shost_gendev.kobj, dev_name(dev)); transport_remove_device(dev); device_del(dev); transport_destroy_device(dev); @@ -3322,7 +3346,7 @@ fc_vport_sched_delete(struct work_struct *work) dev_printk(KERN_ERR, vport->dev.parent, "%s: %s could not be deleted created via " "shost%d channel %d - error %d\n", __func__, - vport->dev.bus_id, vport->shost->host_no, + dev_name(&vport->dev), vport->shost->host_no, vport->channel, stat); } |