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Diffstat (limited to 'drivers/md/dm-zoned-metadata.c')
-rw-r--r--drivers/md/dm-zoned-metadata.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 039d17b28938..ee4626d08557 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -1390,6 +1390,13 @@ static int dmz_init_zone(struct blk_zone *blkz, unsigned int num, void *data)
return -ENXIO;
}
+ /*
+ * Devices that have zones with a capacity smaller than the zone size
+ * (e.g. NVMe zoned namespaces) are not supported.
+ */
+ if (blkz->capacity != blkz->len)
+ return -ENXIO;
+
switch (blkz->type) {
case BLK_ZONE_TYPE_CONVENTIONAL:
set_bit(DMZ_RND, &zone->flags);