From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
This patch removes the now legacy host_lock unlock() + lock() optimization
from qla_os.c:qla2xxx_queuecommand(). This also includes setting the
SHT->unlocked_qcmd=1 for host_lock less qla2xxx qla2xxx_queuecommand operation.
Signed-off-by: Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_os.c | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 1e4bff6..5654f1b 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -204,6 +204,7 @@ struct scsi_host_template qla2xxx_driver_template = {
.scan_start = qla2xxx_scan_start,
.change_queue_depth = qla2x00_change_queue_depth,
.change_queue_type = qla2x00_change_queue_type,
+ .unlocked_qcmd = 1,
.this_id = -1,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
@@ -574,11 +575,9 @@ qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
goto qc24_target_busy;
}
- spin_unlock_irq(vha->host->host_lock);
-
sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
if (!sp)
- goto qc24_host_busy_lock;
+ goto qc24_host_busy;
rval = ha->isp_ops->start_scsi(sp);
if (rval != QLA_SUCCESS)
@@ -592,8 +591,7 @@ qc24_host_busy_free_sp:
qla2x00_sp_free_dma(sp);
mempool_free(sp, ha->srb_mempool);
-qc24_host_busy_lock:
- spin_lock_irq(vha->host->host_lock);
+qc24_host_busy:
return SCSI_MLQUEUE_HOST_BUSY;
qc24_target_busy:
--
1.7.3
--
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