[PATCH 14/16] dm-zoned: cleanup dmz_fixup_devices

Christoph Hellwig
2022-07-06T07:04:56Z

Use the bdev based helpers where applicable and move the zoned_dev
into the scope where it is actually used.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
drivers/md/dm-zoned-target.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 6ba6ef44b00e2..95b132b52f332 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -764,8 +764,7 @@ static void dmz_put_zoned_device(struct dm_target *ti)
static int dmz_fixup_devices(struct dm_target *ti)
{
struct dmz_target *dmz = ti->private;
- struct dmz_dev *reg_dev, *zoned_dev;
- struct request_queue *q;
+ struct dmz_dev *reg_dev = NULL;
sector_t zone_nr_sectors = 0;
int i;

@@ -780,31 +779,32 @@ static int dmz_fixup_devices(struct dm_target *ti)
return -EINVAL;
}
for (i = 1; i < dmz->nr_ddevs; i++) {
- zoned_dev = &dmz->dev[i];
+ struct dmz_dev *zoned_dev = &dmz->dev[i];
+ struct block_device *bdev = zoned_dev->bdev;
+
if (zoned_dev->flags & DMZ_BDEV_REGULAR) {
ti->error = "Secondary disk is not a zoned device";
return -EINVAL;
}
- q = bdev_get_queue(zoned_dev->bdev);
if (zone_nr_sectors &&
- zone_nr_sectors != blk_queue_zone_sectors(q)) {
+ zone_nr_sectors != bdev_zone_sectors(bdev)) {
ti->error = "Zone nr sectors mismatch";
return -EINVAL;
}
- zone_nr_sectors = blk_queue_zone_sectors(q);
+ zone_nr_sectors = bdev_zone_sectors(bdev);
zoned_dev->zone_nr_sectors = zone_nr_sectors;
- zoned_dev->nr_zones = bdev_nr_zones(zoned_dev->bdev);
+ zoned_dev->nr_zones = bdev_nr_zones(bdev);
}
} else {
- reg_dev = NULL;
- zoned_dev = &dmz->dev[0];
+ struct dmz_dev *zoned_dev = &dmz->dev[0];
+ struct block_device *bdev = zoned_dev->bdev;
+
if (zoned_dev->flags & DMZ_BDEV_REGULAR) {
ti->error = "Disk is not a zoned device";
return -EINVAL;
}
- q = bdev_get_queue(zoned_dev->bdev);
- zoned_dev->zone_nr_sectors = blk_queue_zone_sectors(q);
- zoned_dev->nr_zones = bdev_nr_zones(zoned_dev->bdev);
+ zoned_dev->zone_nr_sectors = bdev_zone_sectors(bdev);
+ zoned_dev->nr_zones = bdev_nr_zones(bdev);
}

if (reg_dev) {
--
2.30.2