Make sure that the zones checked by blk_revalidate_disk_zones() exactly
cover the entire disk capacity, that is, that there are no missing zones
at the end of the disk sector range.
Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx>
---
block/blk-zoned.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 6817a673e5ce..2821de36a5a9 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -510,6 +510,13 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
blk_revalidate_zone_cb, &args);
memalloc_noio_restore(noio_flag);
+ /* Make sure that the entire disk capacity has been checked */
+ if (args.sector != get_capacity(disk)) {
+ pr_warn("%s: Missing zones from sector %llu\n",
+ disk->disk_name, args.sector);
+ ret = -ENODEV;
+ }
+
/*
* Install the new bitmaps and update nr_zones only once the queue is
* stopped and all I/Os are completed (i.e. a scheduler is not
--
2.26.2
