dm zoned: fix unused but set variable warnings

Fix unused but set variable warnings:

drivers/md/dm-zoned-reclaim.c:504:42: warning:
 variable nr_rnd set but not used [-Wunused-but-set-variable]
  504 |  unsigned int p_unmap, nr_unmap_rnd = 0, nr_rnd = 0;
      |                                          ^~~~~~
drivers/md/dm-zoned-reclaim.c:504:24: warning:
 variable nr_unmap_rnd set but not used [-Wunused-but-set-variable]
  504 |  unsigned int p_unmap, nr_unmap_rnd = 0, nr_rnd = 0;
      |                        ^~~~~~~~~~~~

Fixes: f97809aec589 ("dm zoned: per-device reclaim")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index dd1eebf..7e0cc2d 100644 (file)
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -501,7 +501,7 @@ static void dmz_reclaim_work(struct work_struct *work)
 {
        struct dmz_reclaim *zrc = container_of(work, struct dmz_reclaim, work.work);
        struct dmz_metadata *zmd = zrc->metadata;
-       unsigned int p_unmap, nr_unmap_rnd = 0, nr_rnd = 0;
+       unsigned int p_unmap;
        int ret;
 
        if (dmz_dev_is_dying(zmd))
@@ -527,9 +527,6 @@ static void dmz_reclaim_work(struct work_struct *work)
                zrc->kc_throttle.throttle = min(75U, 100U - p_unmap / 2);
        }
 
-       nr_unmap_rnd = dmz_nr_unmap_rnd_zones(zmd, zrc->dev_idx);
-       nr_rnd = dmz_nr_rnd_zones(zmd, zrc->dev_idx);
-
        DMDEBUG("(%s/%u): Reclaim (%u): %s, %u%% free zones (%u/%u cache %u/%u random)",
                dmz_metadata_label(zmd), zrc->dev_idx,
                zrc->kc_throttle.throttle,