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[SCSI] zfcp: Wait for port scan to complete when setting adapter online 

Attaching a unit immediately after setting the adapter online should
be possible. The problem right now is that the port_scan runs from a
workqueue and has not finished when the set_online call returns and
the sysfs structures for the ports are not available yet. Fix that by
waiting for the port scan to complete.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Christof Schmitt 2008-11-04 16:35:10 +01:00 committed by James Bottomley
parent adc90daffb
commit 77fd9494bc
1 changed files with 3 additions and 1 deletions
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4
drivers/s390/scsi/zfcp_ccw.c
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@ -116,7 +116,9 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 85,
NULL);
zfcp_erp_wait(adapter);
goto out;
up(&zfcp_data.config_sema);
flush_work(&adapter->scan_work);
return 0;
out_scsi_register:
zfcp_erp_thread_kill(adapter);