src/patches/suse-2.6.27.31/patches.arch/s390-02-10-zfcp-scan-online.patch

   1 From: Gerald Schaefer <geraldsc@de.ibm.com>
   2 Subject: wait for port scan when setting FCP device online
   3 References: bnc#434333
   4
   5 Description: wait for port scan when setting FCP device online
   6 Symptom: running chccwdev -e xxxx; echo ... > unit_add in a script
   7          does not work
   8 Problem: The port scan in zfcp runs asynchronously to set_online
   9 Solution: Wait for the port scan to complete in the zfcp set_online
  10           packets due to hardware problems, an additional check for
  11
  12 Acked-by: John Jolly <jjolly@suse.de>
  13 ---
  14  drivers/s390/scsi/zfcp_ccw.c |    4 +++-
  15  1 file changed, 3 insertions(+), 1 deletion(-)
  16
  17 --- a/drivers/s390/scsi/zfcp_ccw.c      2008-10-17 18:26:54.000000000 +0200
  18 +++ b/drivers/s390/scsi/zfcp_ccw.c      2008-10-17 18:31:42.000000000 +0200
  19 @@ -118,7 +118,9 @@ static int zfcp_ccw_set_online(struct cc
  20         zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 85,
  21                                 NULL);
  22         zfcp_erp_wait(adapter);
  23 -       goto out;
  24 +       up(&zfcp_data.config_sema);
  25 +       flush_work(&adapter->scan_work);
  26 +       return 0;
  27
  28   out_scsi_register:
  29         zfcp_erp_thread_kill(adapter);