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-rw-r--r--block/blk-zoned.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 6817a673e5ce..7a68b6e4300c 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -508,15 +508,29 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
noio_flag = memalloc_noio_save();
ret = disk->fops->report_zones(disk, 0, UINT_MAX,
blk_revalidate_zone_cb, &args);
+ if (!ret) {
+ pr_warn("%s: No zones reported\n", disk->disk_name);
+ ret = -ENODEV;
+ }
memalloc_noio_restore(noio_flag);
/*
+ * If zones where reported, make sure that the entire disk capacity
+ * has been checked.
+ */
+ if (ret > 0 && 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
* referencing the bitmaps).
*/
blk_mq_freeze_queue(q);
- if (ret >= 0) {
+ if (ret > 0) {
blk_queue_chunk_sectors(q, args.zone_sectors);
q->nr_zones = args.nr_zones;
swap(q->seq_zones_wlock, args.seq_zones_wlock);