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[SCSI] zfcp: Do not try "forced close" when port is already closed 

When the port is already "physically closed" try the reopen instead.
There is no way to send a "physically close" to an already closed
port.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Christof Schmitt 2010-07-08 09:53:06 +02:00 committed by James Bottomley
parent 5767620c38
commit 097ef3bd0c
1 changed files with 5 additions and 1 deletions
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6
drivers/s390/scsi/zfcp_erp.c
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@ -141,8 +141,12 @@ static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter,
if (!(p_status & ZFCP_STATUS_COMMON_UNBLOCKED))
need = ZFCP_ERP_ACTION_REOPEN_PORT;
/* fall through */
case ZFCP_ERP_ACTION_REOPEN_PORT:
case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
p_status = atomic_read(&port->status);
if (!(p_status & ZFCP_STATUS_COMMON_OPEN))
need = ZFCP_ERP_ACTION_REOPEN_PORT;
/* fall through */
case ZFCP_ERP_ACTION_REOPEN_PORT:
p_status = atomic_read(&port->status);
if (p_status & ZFCP_STATUS_COMMON_ERP_INUSE)
return 0;