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Subject[RFC v4 10/19] lpfc: Remove host_lock unlock() + lock() from lpfc_queuecommand()
Date
From: Nicholas Bellinger <nab@linux-iscsi.org>

This patch removes the now legacy host_lock unlock() + lock() optimization
from lpfc_scsi.c:lpfc_queuecommand(). This also includes setting the
SHT->unlocked_qcmd=1 for host_lock less lpfc lpfc_queuecommand() operation.

Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
---
drivers/scsi/lpfc/lpfc_scsi.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 2e51aa6..69fe31e 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3023,11 +3023,9 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
goto out_host_busy_free_buf;
}
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
- spin_unlock(shost->host_lock);
lpfc_sli_handle_fast_ring_event(phba,
&phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);

- spin_lock(shost->host_lock);
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_poll_rearm_timer(phba);
}
@@ -3723,6 +3721,7 @@ struct scsi_host_template lpfc_template = {
.slave_destroy = lpfc_slave_destroy,
.scan_finished = lpfc_scan_finished,
.this_id = -1,
+ .unlocked_qcmd = 1,
.sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT,
.cmd_per_lun = LPFC_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
@@ -3746,6 +3745,7 @@ struct scsi_host_template lpfc_vport_template = {
.slave_destroy = lpfc_slave_destroy,
.scan_finished = lpfc_scan_finished,
.this_id = -1,
+ .unlocked_qcmd = 1,
.sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT,
.cmd_per_lun = LPFC_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
--
1.7.3


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