The 'host_tagset' can be set on scsi_debug device for testing
shared hostwide tags on multiple blk-mq hw queue.
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
drivers/scsi/scsi_debug.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index d323523f5f9d..8cf3f6c3f4f9 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -665,6 +665,7 @@ static bool have_dif_prot;
static bool write_since_sync;
static bool sdebug_statistics = DEF_STATISTICS;
static bool sdebug_wp;
+static bool sdebug_host_tagset = false;
static unsigned int sdebug_store_sectors;
static sector_t sdebug_capacity; /* in sectors */
@@ -4468,6 +4469,7 @@ module_param_named(vpd_use_hostno, sdebug_vpd_use_hostno, int,
module_param_named(wp, sdebug_wp, bool, S_IRUGO | S_IWUSR);
module_param_named(write_same_length, sdebug_write_same_length, int,
S_IRUGO | S_IWUSR);
+module_param_named(host_tagset, sdebug_host_tagset, bool, S_IRUGO | S_IWUSR);
MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert");
MODULE_DESCRIPTION("SCSI debug adapter driver");
@@ -5779,6 +5781,7 @@ static int sdebug_driver_probe(struct device *dev)
sdbg_host = to_sdebug_host(dev);
sdebug_driver_template.can_queue = sdebug_max_queue;
+ sdebug_driver_template.host_tagset = sdebug_host_tagset;
if (!sdebug_clustering)
sdebug_driver_template.dma_boundary = PAGE_SIZE - 1;
--
2.20.1
