On 03/14/2011 12:24 AM, Vikas Chaudhary wrote:
index 6068f80..59c5552 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -27,6 +27,11 @@ static char qla4xxx_version_str[40];
static struct kmem_cache *srb_cachep;
/*
+ * List of host adapters
+ */
+static struct klist qla4xxx_hostlist;
+
/**
+ * qla4xxx_prevent_other_port_reinit - Mark the other ISP-4xxx port to indicate
+ * that the driver is being removed, so that the other port will not
+ * re-initialize while in the process of removing the ha due to driver unload
+ * or hba hotplug.
For docbook comments you use a one line description on the first line,
then add more informative stuff after the params.
+ * @ha: pointer to adapter structure
+ **/
+static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
+{
+ struct scsi_qla_host *ha_listp;
+ struct klist_iter i;
+ struct klist_node *n;
+
+ klist_iter_init(&qla4xxx_hostlist,&i);
+ while ((n = klist_next(&i)) != NULL) {
+ ha_listp = container_of(n, struct scsi_qla_host, node);
+ if (ha == ha_listp)
+ continue;
+
+ if ((pci_domain_nr(ha->pdev->bus) ==
+ pci_domain_nr(ha_listp->pdev->bus))&&
+ (ha->pdev->bus->number ==
+ ha_listp->pdev->bus->number)&&
+ (PCI_SLOT(ha->pdev->devfn) ==
+ PCI_SLOT(ha_listp->pdev->devfn))) {
+
Is there a qla4xxx specific reason why you need to prevent other ports
from re-initing when removing a port? Does the hardware cause the other
ports to be disrupted and that causes them to run the re-init code?
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