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ipr: Wait to do async scan until scsi host is initialized 

When performing an async scan, make sure the kthread doing scanning
doesn't start before the scsi host is fully initialized.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hifive-unleashed-5.1
Brian King 2016-07-15 14:48:03 -05:00 committed by Martin K. Petersen
parent b2c0627c26
commit b195d5e2bf
2 changed files with 10 additions and 0 deletions
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9
drivers/scsi/ipr.c
View File

@ -3288,6 +3288,11 @@ static void ipr_worker_thread(struct work_struct *work)
return;
}
if (!ioa_cfg->scan_enabled) {
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return;
}
restart:
do {
did_work = 0;
@ -10362,6 +10367,7 @@ static void ipr_remove(struct pci_dev *pdev)
static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
{
struct ipr_ioa_cfg *ioa_cfg;
unsigned long flags;
int rc, i;
rc = ipr_probe_ioa(pdev, dev_id);
@ -10414,7 +10420,10 @@ static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
}
}
spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
ioa_cfg->scan_enabled = 1;
schedule_work(&ioa_cfg->work_q);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
return 0;
}

1
drivers/scsi/ipr.h
View File

@ -1478,6 +1478,7 @@ struct ipr_ioa_cfg {
u8 in_ioa_bringdown:1;
u8 ioa_unit_checked:1;
u8 dump_taken:1;
u8 scan_enabled:1;
u8 scan_done:1;
u8 needs_hard_reset:1;
u8 dual_raid:1;