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[SCSI] mptfusion : dv performance fix

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Syncronization for Domain Validation workqueue and the initiation of the
alternate controller.  Its possible that dv could be terminated if the
workqueue on the 1st channel doesn complete in time before the 2nd channel
begins initialization.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Moore, Eric Dean
2005-12-01 10:50:32 -07:00
committed by James Bottomley
parent 8b2f81385a
commit 2a238ea5fb
3 changed files with 75 additions and 2 deletions
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10
drivers/message/fusion/mptscsih.c
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@@ -4162,6 +4162,12 @@ mptscsih_domainValidation(void *arg)
}
}
if(mpt_alt_ioc_wait(hd->ioc)!=0) {
ddvprintk((MYIOC_s_WARN_FMT "alt_ioc busy!\n",
hd->ioc->name));
continue;
}
if (mptscsih_doDv(hd, 0, id) == 1) {
/* Untagged device was busy, try again
*/
@@ -4173,6 +4179,10 @@ mptscsih_domainValidation(void *arg)
hd->ioc->spi_data.dvStatus[id] &= ~(MPT_SCSICFG_DV_NOT_DONE | MPT_SCSICFG_DV_PENDING);
}
spin_lock(&hd->ioc->initializing_hba_lock);
hd->ioc->initializing_hba_lock_flag=0;
spin_unlock(&hd->ioc->initializing_hba_lock);
if (isPhysDisk) {
for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
if (hd->ioc->raid_data.isRaid & (1 << ii)) {