[PATCH v2 3/5] block: nullblk: Set zone limits before revalidating zones

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In null_register_zoned_dev(), execute blk_queue_chunk_sectors() and
blk_queue_max_zone_append_sectors() to respectively set the zoned device
zone size and maximum zone append sector limit before executing
blk_revalidate_disk_zones(). This is to allow the block layer zone
reavlidation to check these device characteristics prior to checking all
zones of the device.

Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
---
 drivers/block/null_blk/zoned.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c
index 635ce0648133..55c5b48bc276 100644
--- a/drivers/block/null_blk/zoned.c
+++ b/drivers/block/null_blk/zoned.c
@@ -162,21 +162,15 @@ int null_register_zoned_dev(struct nullb *nullb)
 	disk_set_zoned(nullb->disk, BLK_ZONED_HM);
 	blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
 	blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);
-
-	if (queue_is_mq(q)) {
-		int ret = blk_revalidate_disk_zones(nullb->disk, NULL);
-
-		if (ret)
-			return ret;
-	} else {
-		blk_queue_chunk_sectors(q, dev->zone_size_sects);
-		nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0);
-	}
-
+	blk_queue_chunk_sectors(q, dev->zone_size_sects);
+	nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0);
 	blk_queue_max_zone_append_sectors(q, dev->zone_size_sects);
 	disk_set_max_open_zones(nullb->disk, dev->zone_max_open);
 	disk_set_max_active_zones(nullb->disk, dev->zone_max_active);
 
+	if (queue_is_mq(q))
+		return blk_revalidate_disk_zones(nullb->disk, NULL);
+
 	return 0;
 }
 
-- 
2.41.0




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