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authorTony Lindgren <tony@atomide.com>2012-09-24 11:42:13 -0700
committerTony Lindgren <tony@atomide.com>2012-09-24 11:42:13 -0700
commit3fe05bd9980df7207a35b4841a94dc2875e86960 (patch)
treeb5bb9287088955d2b4b4552b4a4ca9c4c40769a4 /drivers/scsi/mpt2sas/mpt2sas_base.c
parent6bfc82ff589a00e5fbc12b958c649d703d273c86 (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
Merge tag 'v3.6-rc6' into devel-dt
Linux 3.6-rc6
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 9d46fcbe775..b25757d1e91 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -2424,10 +2424,13 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
}
/* command line tunables for max controller queue depth */
- if (max_queue_depth != -1)
- max_request_credit = (max_queue_depth < facts->RequestCredit)
- ? max_queue_depth : facts->RequestCredit;
- else
+ if (max_queue_depth != -1 && max_queue_depth != 0) {
+ max_request_credit = min_t(u16, max_queue_depth +
+ ioc->hi_priority_depth + ioc->internal_depth,
+ facts->RequestCredit);
+ if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
+ max_request_credit = MAX_HBA_QUEUE_DEPTH;
+ } else
max_request_credit = min_t(u16, facts->RequestCredit,
MAX_HBA_QUEUE_DEPTH);
@@ -2502,7 +2505,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
/* set the scsi host can_queue depth
* with some internal commands that could be outstanding
*/
- ioc->shost->can_queue = ioc->scsiio_depth - (2);
+ ioc->shost->can_queue = ioc->scsiio_depth;
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "
"can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));