From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Thu, 9 Oct 2025 03:24:11 +0000 (-0400)
Subject: dm: remove useless md->nr_zones variable
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=27cecacbe88f22aa2e0454cc516d64a55e9002d4;p=thirdparty%2Fkernel%2Flinux.git

dm: remove useless md->nr_zones variable

md->nr_zones is no longer used for anything. Remove it.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
---

diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index a3c9f74fe2dc..1cda8618d74d 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -139,7 +139,6 @@ struct mapped_device {
 	struct srcu_struct io_barrier;
 
 #ifdef CONFIG_BLK_DEV_ZONED
-	unsigned int nr_zones;
 	void *zone_revalidate_map;
 	struct task_struct *revalidate_map_task;
 #endif
diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c
index 78e17dd4d01b..cf4553e863f0 100644
--- a/drivers/md/dm-zone.c
+++ b/drivers/md/dm-zone.c
@@ -193,8 +193,6 @@ int dm_revalidate_zones(struct dm_table *t, struct request_queue *q)
 		return ret;
 	}
 
-	md->nr_zones = disk->nr_zones;
-
 	return 0;
 }
 
@@ -442,7 +440,6 @@ void dm_finalize_zone_settings(struct dm_table *t, struct queue_limits *lim)
 			set_bit(DMF_EMULATE_ZONE_APPEND, &md->flags);
 	} else {
 		clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags);
-		md->nr_zones = 0;
 		md->disk->nr_zones = 0;
 	}
 }