Merge tag 'dmaengine-4.19-rc1' of git://git.infradead.org/users/vkoul/slave-dma

[sfrench/cifs-2.6.git] / Documentation / block / null_blk.txt

diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt
index 07f147381f3270e9209f8ab29a236d8fdda32352..ea2dafe49ae8f51200e636be4b830e995584c036 100644 (file)
--- a/Documentation/block/null_blk.txt
+++ b/Documentation/block/null_blk.txt
@@ -85,3 +85,10 @@ shared_tags=[0/1]: Default: 0
   0: Tag set is not shared.
   1: Tag set shared between devices for blk-mq. Only makes sense with
      nr_devices > 1, otherwise there's no tag set to share.
+
+zoned=[0/1]: Default: 0
+  0: Block device is exposed as a random-access block device.
+  1: Block device is exposed as a host-managed zoned block device.
+
+zone_size=[MB]: Default: 256
+  Per zone size when exposed as a zoned block device. Must be a power of two.