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[SCSI] lpfc 8.2.2 : Fix locking around HBA's port_list

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Cleans up a lot of bad behaviors that have been in this area a while

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Smart
2007-08-02 11:09:51 -04:00
committed by James Bottomley
parent a58cbd5212
commit 549e55cd2a
10 changed files with 307 additions and 222 deletions
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21
drivers/scsi/lpfc/lpfc_attr.c
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@@ -1060,19 +1060,24 @@ lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
static void
lpfc_update_rport_devloss_tmo(struct lpfc_hba *phba)
{
struct lpfc_vport *vport;
struct lpfc_vport **vports;
struct Scsi_Host *shost;
struct lpfc_nodelist *ndlp;
int i;
list_for_each_entry(vport, &phba->port_list, listentry) {
shost = lpfc_shost_from_vport(vport);
spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
shost = lpfc_shost_from_vport(vports[i]);
spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vports[i]->fc_nodes,
nlp_listp)
if (ndlp->rport)
ndlp->rport->dev_loss_tmo =
phba->cfg_devloss_tmo;
spin_unlock_irq(shost->host_lock);
}
phba->cfg_devloss_tmo;
spin_unlock_irq(shost->host_lock);
}
lpfc_destroy_vport_work_array(vports);
}
static int