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

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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>
This commit is contained in:
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;