On 19-05-31 10:27:56, Ming Lei wrote: > 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; Hi Ming, I think we can leave it without an initialisation just like the others above. > > 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; Otherwise: It looks good to me in host tagset point of view. Reviewed-by: Minwoo Im <minwoo.im.dev@xxxxxxxxx>