[SCSI] ipr: Remove extended delay bit on GSCSI reads/writes ops
This patch removes extended delay bit on GSCSI reads/writes ops, the
performance will be significanly better.
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 3f5b56a..7e1276a 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -1143,6 +1143,7 @@
res->add_to_ml = 0;
res->del_from_ml = 0;
res->resetting_device = 0;
+ res->reset_occurred = 0;
res->sdev = NULL;
res->sata_port = NULL;
@@ -5015,6 +5016,7 @@
} else
rc = ipr_device_reset(ioa_cfg, res);
res->resetting_device = 0;
+ res->reset_occurred = 1;
LEAVE;
return rc ? FAILED : SUCCESS;
@@ -6183,8 +6185,10 @@
ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK;
ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC;
- if (ipr_is_gscsi(res))
+ if (ipr_is_gscsi(res) && res->reset_occurred) {
+ res->reset_occurred = 0;
ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST;
+ }
ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR;
ioarcb->cmd_pkt.flags_lo |= ipr_get_task_attributes(scsi_cmd);
}