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[SCSI] qla4xxx: regression - add start scan callout 

We are seeing EXIST errors from sysfs during device addition.
We need a start scan callout so we do not start scanning sessions
found during hba setup, before the async scsi scan code is ready.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: David C Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie 2008-03-04 13:26:54 -06:00 committed by James Bottomley
parent 50a29aec9c
commit 024f801f52
1 changed files with 14 additions and 12 deletions
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26
drivers/scsi/qla4xxx/ql4_os.c
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@ -75,6 +75,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
static int qla4xxx_slave_alloc(struct scsi_device *device);
static int qla4xxx_slave_configure(struct scsi_device *device);
static void qla4xxx_slave_destroy(struct scsi_device *sdev);
static void qla4xxx_scan_start(struct Scsi_Host *shost);
static struct scsi_host_template qla4xxx_driver_template = {
.module = THIS_MODULE,
@ -90,6 +91,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
.slave_destroy = qla4xxx_slave_destroy,
.scan_finished = iscsi_scan_finished,
.scan_start = qla4xxx_scan_start,
.this_id = -1,
.cmd_per_lun = 3,
@ -299,6 +301,18 @@ struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha)
return ddb_entry;
}
static void qla4xxx_scan_start(struct Scsi_Host *shost)
{
struct scsi_qla_host *ha = shost_priv(shost);
struct ddb_entry *ddb_entry, *ddbtemp;
/* finish setup of sessions that were already setup in firmware */
list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE)
qla4xxx_add_sess(ddb_entry);
}
}
/*
* Timer routines
*/
@ -1178,7 +1192,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
int ret = -ENODEV, status;
struct Scsi_Host *host;
struct scsi_qla_host *ha;
struct ddb_entry *ddb_entry, *ddbtemp;
uint8_t init_retry_count = 0;
char buf[34];
@ -1297,13 +1310,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
if (ret)
goto probe_failed;
/* Update transport device information for all devices. */
list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE)
if (qla4xxx_add_sess(ddb_entry))
goto remove_host;
}
printk(KERN_INFO
" QLogic iSCSI HBA Driver version: %s\n"
" QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
@ -1313,10 +1319,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
scsi_scan_host(host);
return 0;
remove_host:
qla4xxx_free_ddb_list(ha);
scsi_remove_host(host);
probe_failed:
qla4xxx_free_adapter(ha);
scsi_host_put(ha->host);