The legacy path is gone and we do not have to choose mq or not. The
module parameter scsi_use_blk_mq and scsi_host_template.force_blk_mq
is useless now.
Signed-off-by: Jason Yan <yanai...@huawei.com>
---
v2: remove force_blk_mq too
drivers/scsi/scsi.c | 4 ----
drivers/scsi/scsi_priv.h | 1 -
drivers/scsi/scsi_sysfs.c | 8 --------
drivers/scsi/virtio_scsi.c | 1 -
include/scsi/scsi_host.h | 3 ---
5 files changed, 17 deletions(-)
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 653d5ea6c5d9..7049aabb86e0 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -765,10 +765,6 @@ MODULE_LICENSE("GPL");
module_param(scsi_logging_level, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(scsi_logging_level, "a bit mask of logging levels");
-/* This should go away in the future, it doesn't do anything anymore */
-bool scsi_use_blk_mq = true;
-module_param_named(use_blk_mq, scsi_use_blk_mq, bool, S_IWUSR | S_IRUGO);
-
static int __init init_scsi(void)
{
int error;
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 5f21547b2ad2..a4f0741524d8 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -29,7 +29,6 @@ extern int scsi_init_hosts(void);
extern void scsi_exit_hosts(void);
/* scsi.c */
-extern bool scsi_use_blk_mq;
int scsi_init_sense_cache(struct Scsi_Host *shost);
void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd);
#ifdef CONFIG_SCSI_LOGGING
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index dbb206c90ecf..403832ee17e0 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -386,15 +386,7 @@ show_host_busy(struct device *dev, struct device_attribute
*attr, char *buf)
}
static DEVICE_ATTR(host_busy, S_IRUGO, show_host_busy, NULL);
-static ssize_t
-show_use_blk_mq(struct device *dev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-static DEVICE_ATTR(use_blk_mq, S_IRUGO, show_use_blk_mq, NULL);
-
static struct attribute *scsi_sysfs_shost_attrs[] = {
- &dev_attr_use_blk_mq.attr,
&dev_attr_unique_id.attr,
&dev_attr_host_busy.attr,
&dev_attr_cmd_per_lun.attr,
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 13f1b3b9923a..f4e3c0310c7d 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -687,7 +687,6 @@ static struct scsi_host_template virtscsi_host_template = {
.dma_boundary = UINT_MAX,
.map_queues = virtscsi_map_queues,
.track_queue_depth = 1,
- .force_blk_mq = 1,
};
#define virtscsi_config_get(vdev, fld) \
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index a5fcdad4a03e..2bf56cdb6195 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -425,9 +425,6 @@ struct scsi_host_template {
/* True if the controller does not support WRITE SAME */
unsigned no_write_same:1;
- /* True if the low-level driver supports blk-mq only */
- unsigned force_blk_mq:1;
-
/*
* Countdown for host blocking with no commands outstanding.
*/
--
2.17.2
