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* [RFC v3 07/15] qla4xxx: Remove host_lock unlock() + lock() from qla4xxx_queuecommand()
@ 2010-09-23 23:38 Nicholas A. Bellinger
  0 siblings, 0 replies; only message in thread
From: Nicholas A. Bellinger @ 2010-09-23 23:38 UTC (permalink / raw)
  To: linux-scsi, linux-kernel, Vasu Dev, Tim Chen, Andi Kleen
  Cc: James Smart, Andrew Vasquez, FUJITA Tomonori, Hannes Reinecke,
	Joe Eykholt, Christoph Hellwig, MPTFusionLinux, eata.c maintainer,
	Nicholas Bellinger

From: Nicholas Bellinger <nab@linux-iscsi.org>

This patch removes the now legacy host_lock unlock() + lock() optimization
from ql4_os.c:qla4xxx_queuecommand()

Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
---
 drivers/scsi/qla4xxx/ql4_os.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 370d40f..cfbe8b5 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -511,26 +511,20 @@ static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
 	    test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
 		goto qc_host_busy;
 
-	spin_unlock_irq(ha->host->host_lock);
-
 	srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd, done);
 	if (!srb)
-		goto qc_host_busy_lock;
+		goto qc_host_busy;
 
 	rval = qla4xxx_send_command_to_isp(ha, srb);
 	if (rval != QLA_SUCCESS)
 		goto qc_host_busy_free_sp;
 
-	spin_lock_irq(ha->host->host_lock);
 	return 0;
 
 qc_host_busy_free_sp:
 	qla4xxx_srb_free_dma(ha, srb);
 	mempool_free(srb, ha->srb_mempool);
 
-qc_host_busy_lock:
-	spin_lock_irq(ha->host->host_lock);
-
 qc_host_busy:
 	return SCSI_MLQUEUE_HOST_BUSY;
 
-- 
1.7.3

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2010-09-23 23:38 [RFC v3 07/15] qla4xxx: Remove host_lock unlock() + lock() from qla4xxx_queuecommand() Nicholas A. Bellinger

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