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[SCSI] mpt2sas: Change in MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED notification methodology

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The intent of this patch is to perform a graceful shutdown of target drives even if
volume doesn't exits. Changes done in this patch

1. Removed the check for the presence of volumes before sending down
   MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED. Therefore, this RAID action
   would be sent if the card is IR Firmware.

2. The MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED is sent even when the
   system undergoes suspend (in addition to remove/shutdown which was already
   present)

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Sreekanth Reddy 2013-07-25 11:25:57 +05:30 committed by James Bottomley
parent 6409a7d000
commit 3627dba57f
1 changed files with 1 additions and 4 deletions
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5
drivers/scsi/mpt2sas/mpt2sas_scsih.c
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@ -7710,10 +7710,6 @@ _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
if (!ioc->ir_firmware)
return;
/* are there any volumes ? */
if (list_empty(&ioc->raid_device_list))
return;
mutex_lock(&ioc->scsih_cmds.mutex);
if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
@ -8280,6 +8276,7 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
mpt2sas_base_stop_watchdog(ioc);
scsi_block_requests(shost);
_scsih_ir_shutdown(ioc);
device_state = pci_choose_state(pdev, state);
printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
"operating state [D%d]\n", ioc->name, pdev,