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[SCSI] lpfc: do not reset dev_loss_tmo in slave callout

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This fixes a bug where the driver was resetting the
rport dev_loss_tmo when devices were added by adding
support for the get_host_def_dev_loss_tmo callout.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Mike Christie 2010-08-06 03:02:39 -05:00 committed by James Bottomley
parent a74bdf4661
commit 143beaa811
2 changed files with 10 additions and 10 deletions
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10
drivers/scsi/lpfc/lpfc_attr.c
View file

@ -4370,6 +4370,14 @@ lpfc_get_starget_port_name(struct scsi_target *starget)
ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
}
static void
lpfc_get_host_def_loss_tmo(struct Scsi_Host *shost)
{
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
fc_host_def_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
}
/**
* lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
* @rport: fc rport address.
@ -4478,6 +4486,7 @@ struct fc_function_template lpfc_transport_functions = {
.get_host_fabric_name = lpfc_get_host_fabric_name,
.show_host_fabric_name = 1,
.get_host_def_dev_loss_tmo = lpfc_get_host_def_loss_tmo,
/*
* The LPFC driver treats linkdown handling as target loss events
* so there are no sysfs handlers for link_down_tmo.
@ -4545,6 +4554,7 @@ struct fc_function_template lpfc_vport_transport_functions = {
.get_host_fabric_name = lpfc_get_host_fabric_name,
.show_host_fabric_name = 1,
.get_host_def_dev_loss_tmo = lpfc_get_host_def_loss_tmo,
/*
* The LPFC driver treats linkdown handling as target loss events
* so there are no sysfs handlers for link_down_tmo.

10
drivers/scsi/lpfc/lpfc_scsi.c
View file

@ -3656,7 +3656,6 @@ lpfc_slave_alloc(struct scsi_device *sdev)
*
* This routine configures following items
* - Tag command queuing support for @sdev if supported.
* - Dev loss time out value of fc_rport.
* - Enable SLI polling for fcp ring if ENABLE_FCP_RING_POLLING flag is set.
*
* Return codes:
@ -3667,21 +3666,12 @@ lpfc_slave_configure(struct scsi_device *sdev)
{
struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
struct lpfc_hba *phba = vport->phba;
struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
if (sdev->tagged_supported)
scsi_activate_tcq(sdev, vport->cfg_lun_queue_depth);
else
scsi_deactivate_tcq(sdev, vport->cfg_lun_queue_depth);
/*
* Initialize the fc transport attributes for the target
* containing this scsi device. Also note that the driver's
* target pointer is stored in the starget_data for the
* driver's sysfs entry point functions.
*/
rport->dev_loss_tmo = vport->cfg_devloss_tmo;
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
lpfc_sli_handle_fast_ring_event(phba,
&phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);