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-rw-r--r--drivers/block/osdblk.c3
-rw-r--r--drivers/block/pktcdvd.c1
-rw-r--r--drivers/scsi/aic7xxx_old.c21
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c13
-rw-r--r--include/scsi/scsi_tcq.h6
5 files changed, 5 insertions, 39 deletions
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index 72d62462433..87311ebac0d 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -310,8 +310,7 @@ static void osdblk_rq_fn(struct request_queue *q)
break;
/* filter out block requests we don't understand */
- if (rq->cmd_type != REQ_TYPE_FS &&
- !(rq->cmd_flags & REQ_HARDBARRIER)) {
+ if (rq->cmd_type != REQ_TYPE_FS) {
blk_end_request_all(rq, 0);
continue;
}
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index b1cbeb59bb7..0166ea13604 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -753,7 +753,6 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
rq->timeout = 60*HZ;
rq->cmd_type = REQ_TYPE_BLOCK_PC;
- rq->cmd_flags |= REQ_HARDBARRIER;
if (cgc->quiet)
rq->cmd_flags |= REQ_QUIET;
diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c
index 93984c9dfe1..e1cd6062776 100644
--- a/drivers/scsi/aic7xxx_old.c
+++ b/drivers/scsi/aic7xxx_old.c
@@ -2850,12 +2850,6 @@ aic7xxx_done(struct aic7xxx_host *p, struct aic7xxx_scb *scb)
aic_dev->r_total++;
ptr = aic_dev->r_bins;
}
- if(cmd->device->simple_tags && cmd->request->cmd_flags & REQ_HARDBARRIER)
- {
- aic_dev->barrier_total++;
- if(scb->tag_action == MSG_ORDERED_Q_TAG)
- aic_dev->ordered_total++;
- }
x = scb->sg_length;
x >>= 10;
for(i=0; i<6; i++)
@@ -10144,19 +10138,8 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd,
/* We always force TEST_UNIT_READY to untagged */
if (cmd->cmnd[0] != TEST_UNIT_READY && sdptr->simple_tags)
{
- if (req->cmd_flags & REQ_HARDBARRIER)
- {
- if(sdptr->ordered_tags)
- {
- hscb->control |= MSG_ORDERED_Q_TAG;
- scb->tag_action = MSG_ORDERED_Q_TAG;
- }
- }
- else
- {
- hscb->control |= MSG_SIMPLE_Q_TAG;
- scb->tag_action = MSG_SIMPLE_Q_TAG;
- }
+ hscb->control |= MSG_SIMPLE_Q_TAG;
+ scb->tag_action = MSG_SIMPLE_Q_TAG;
}
}
if ( !(aic_dev->dtr_pending) &&
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index f0cfba9a1fc..535085cd27e 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -130,17 +130,6 @@ static void sas_scsi_task_done(struct sas_task *task)
sc->scsi_done(sc);
}
-static enum task_attribute sas_scsi_get_task_attr(struct scsi_cmnd *cmd)
-{
- enum task_attribute ta = TASK_ATTR_SIMPLE;
- if (cmd->request && blk_rq_tagged(cmd->request)) {
- if (cmd->device->ordered_tags &&
- (cmd->request->cmd_flags & REQ_HARDBARRIER))
- ta = TASK_ATTR_ORDERED;
- }
- return ta;
-}
-
static struct sas_task *sas_create_task(struct scsi_cmnd *cmd,
struct domain_device *dev,
gfp_t gfp_flags)
@@ -160,7 +149,7 @@ static struct sas_task *sas_create_task(struct scsi_cmnd *cmd,
task->ssp_task.retry_count = 1;
int_to_scsilun(cmd->device->lun, &lun);
memcpy(task->ssp_task.LUN, &lun.scsi_lun, 8);
- task->ssp_task.task_attr = sas_scsi_get_task_attr(cmd);
+ task->ssp_task.task_attr = TASK_ATTR_SIMPLE;
memcpy(task->ssp_task.cdb, cmd->cmnd, 16);
task->scatter = scsi_sglist(cmd);
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index 17231385cb3..d6e7994aa63 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -97,13 +97,9 @@ static inline void scsi_deactivate_tcq(struct scsi_device *sdev, int depth)
static inline int scsi_populate_tag_msg(struct scsi_cmnd *cmd, char *msg)
{
struct request *req = cmd->request;
- struct scsi_device *sdev = cmd->device;
if (blk_rq_tagged(req)) {
- if (sdev->ordered_tags && req->cmd_flags & REQ_HARDBARRIER)
- *msg++ = MSG_ORDERED_TAG;
- else
- *msg++ = MSG_SIMPLE_TAG;
+ *msg++ = MSG_SIMPLE_TAG;
*msg++ = req->tag;
return 2;
}