[PATCH v2 2/8] ublk: remove struct ublk_zoned_report_desc's operation field

[Caleb Sander Mateos <csander@purestorage.com>]

struct ublk_zoned_report_desc's operation field is only ever set to
UBLK_IO_OP_REPORT_ZONES, so remove it. Replace its one load with the
constant.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
---
 drivers/block/ublk_drv.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index da88c8042db6..d364a5d0ebc2 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -526,11 +526,10 @@ static void ublk_init_iod(struct ublk_queue *ubq, struct request *req,
 
 #ifdef CONFIG_BLK_DEV_ZONED
 
 struct ublk_zoned_report_desc {
 	__u64 sector;
-	__u32 operation;
 	__u32 nr_zones;
 };
 
 static DEFINE_XARRAY(ublk_zoned_report_descs);
 
@@ -656,11 +655,10 @@ static int ublk_report_zones(struct gendisk *disk, sector_t sector,
 		if (IS_ERR(req)) {
 			ret = PTR_ERR(req);
 			goto out;
 		}
 
-		desc.operation = UBLK_IO_OP_REPORT_ZONES;
 		desc.sector = sector;
 		desc.nr_zones = zones_in_request;
 		ret = ublk_zoned_insert_report_desc(req, &desc);
 		if (ret)
 			goto free_req;
@@ -729,19 +727,13 @@ static blk_status_t ublk_setup_iod_zoned(struct ublk_queue *ubq,
 		break;
 	case REQ_OP_DRV_IN:
 		desc = ublk_zoned_get_report_desc(req);
 		if (!desc)
 			return BLK_STS_IOERR;
-		ublk_op = desc->operation;
-		switch (ublk_op) {
-		case UBLK_IO_OP_REPORT_ZONES:
-			ublk_init_iod(ubq, req, ublk_op, desc->nr_zones,
-				      desc->sector);
-			return BLK_STS_OK;
-		default:
-			return BLK_STS_IOERR;
-		}
+		ublk_init_iod(ubq, req, UBLK_IO_OP_REPORT_ZONES, desc->nr_zones,
+			      desc->sector);
+		return BLK_STS_OK;
 	case REQ_OP_DRV_OUT:
 		/* We do not support drv_out */
 		return BLK_STS_NOTSUPP;
 	default:
 		return BLK_STS_IOERR;
-- 
2.54.0