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path: root/drivers/block/null_blk_zoned.c
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Diffstat (limited to 'drivers/block/null_blk_zoned.c')
-rw-r--r--drivers/block/null_blk_zoned.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
index 2e9add7d89a4..9e4bcdad1a80 100644
--- a/drivers/block/null_blk_zoned.c
+++ b/drivers/block/null_blk_zoned.c
@@ -13,7 +13,7 @@ static inline unsigned int null_zone_no(struct nullb_device *dev, sector_t sect)
return sect >> ilog2(dev->zone_size_sects);
}
-int null_zone_init(struct nullb_device *dev)
+int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q)
{
sector_t dev_size = (sector_t)dev->size * 1024 * 1024;
sector_t sector = 0;
@@ -61,10 +61,27 @@ int null_zone_init(struct nullb_device *dev)
sector += dev->zone_size_sects;
}
+ q->limits.zoned = BLK_ZONED_HM;
+ blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
+ blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);
+
+ return 0;
+}
+
+int null_register_zoned_dev(struct nullb *nullb)
+{
+ struct request_queue *q = nullb->q;
+
+ if (queue_is_mq(q))
+ return blk_revalidate_disk_zones(nullb->disk);
+
+ blk_queue_chunk_sectors(q, nullb->dev->zone_size_sects);
+ q->nr_zones = blkdev_nr_zones(nullb->disk);
+
return 0;
}
-void null_zone_exit(struct nullb_device *dev)
+void null_free_zoned_dev(struct nullb_device *dev)
{
kvfree(dev->zones);
}