[PATCH v2 3/3] ublk: drop ublk_ctrl_start_recovery() header argument

Caleb Sander Mateos posted 3 patches 1 week, 2 days ago
[PATCH v2 3/3] ublk: drop ublk_ctrl_start_recovery() header argument
Posted by Caleb Sander Mateos 1 week, 2 days ago
ublk_ctrl_start_recovery() only uses its const struct ublksrv_ctrl_cmd *
header argument to log the dev_id. But this value is already available
in struct ublk_device's ub_number field. So log ub_number instead and
drop the unused header argument.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
---
 drivers/block/ublk_drv.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 8122b012a7ae..60d07480a24c 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -4870,12 +4870,11 @@ static int ublk_ctrl_set_params(struct ublk_device *ub,
 	mutex_unlock(&ub->mutex);
 
 	return ret;
 }
 
-static int ublk_ctrl_start_recovery(struct ublk_device *ub,
-		const struct ublksrv_ctrl_cmd *header)
+static int ublk_ctrl_start_recovery(struct ublk_device *ub)
 {
 	int ret = -EINVAL;
 
 	mutex_lock(&ub->mutex);
 	if (ublk_nosrv_should_stop_dev(ub))
@@ -4900,11 +4899,11 @@ static int ublk_ctrl_start_recovery(struct ublk_device *ub,
 	 */
 	if (test_bit(UB_STATE_OPEN, &ub->state) || !ublk_dev_in_recoverable_state(ub)) {
 		ret = -EBUSY;
 		goto out_unlock;
 	}
-	pr_devel("%s: start recovery for dev id %d.\n", __func__, header->dev_id);
+	pr_devel("%s: start recovery for dev id %d\n", __func__, ub->ub_number);
 	init_completion(&ub->completion);
 	ret = 0;
  out_unlock:
 	mutex_unlock(&ub->mutex);
 	return ret;
@@ -5281,11 +5280,11 @@ static int ublk_ctrl_uring_cmd(struct io_uring_cmd *cmd,
 		break;
 	case UBLK_CMD_SET_PARAMS:
 		ret = ublk_ctrl_set_params(ub, &header);
 		break;
 	case UBLK_CMD_START_USER_RECOVERY:
-		ret = ublk_ctrl_start_recovery(ub, &header);
+		ret = ublk_ctrl_start_recovery(ub);
 		break;
 	case UBLK_CMD_END_USER_RECOVERY:
 		ret = ublk_ctrl_end_recovery(ub, &header);
 		break;
 	case UBLK_CMD_UPDATE_SIZE:
-- 
2.45.2
Re: [PATCH v2 3/3] ublk: drop ublk_ctrl_start_recovery() header argument
Posted by Ming Lei 1 week, 2 days ago
On Fri, Jan 30, 2026 at 10:14:14AM -0700, Caleb Sander Mateos wrote:
> ublk_ctrl_start_recovery() only uses its const struct ublksrv_ctrl_cmd *
> header argument to log the dev_id. But this value is already available
> in struct ublk_device's ub_number field. So log ub_number instead and
> drop the unused header argument.
> 
> Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>

Looks fine,

Reviewed-by: Ming Lei <ming.lei@redhat.com>


Thanks,
Ming