[dm-devel] [PATCH 02/16] block: call blk_queue_free_zone_bitmaps from disk_release

[Christoph Hellwig]

The zone bitmaps are only used for non-passthrough I/O, so free them as
soon as the disk is released.

Signed-off-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>
Reviewed-by: Damien Le Moal <damien.lemoal at opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn at wdc.com>
---
 block/blk-sysfs.c | 2 --
 block/genhd.c     | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 58cb9cb9f48cd..7590810cf13fc 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -776,8 +776,6 @@ static void blk_release_queue(struct kobject *kobj)
 	blk_free_queue_stats(q->stats);
 	kfree(q->poll_stat);
 
-	blk_queue_free_zone_bitmaps(q);
-
 	if (queue_is_mq(q))
 		blk_mq_release(q);
 
diff --git a/block/genhd.c b/block/genhd.c
index b1fb7e058b9cc..d0bdeb93e922c 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1165,6 +1165,7 @@ static void disk_release(struct device *dev)
 
 	disk_release_events(disk);
 	kfree(disk->random);
+	blk_queue_free_zone_bitmaps(disk->queue);
 	xa_destroy(&disk->part_tbl);
 
 	disk->queue->disk = NULL;
-- 
2.30.2