doc: format 2 now is the default image format

Signed-off-by: Chengwei Yang <yangchengwei@qiyi.com>
(cherry picked from commit c8c92f8a2c2106d11b18c70c4c183c3724c2f3c2)

diff --git a/doc/man/8/rbd.rst b/doc/man/8/rbd.rst
index a3594c0b9ea5c040e6200c6270b3dc22ac021643..b312d023c1901adc0d9cd2abb340a928e38da855 100644 (file)
--- a/doc/man/8/rbd.rst
+++ b/doc/man/8/rbd.rst
@@ -54,7 +54,7 @@ Parameters
 
 .. option:: --image-format format-id
 
-   Specifies which object layout to use. The default is 1.
+   Specifies which object layout to use. The default is 2.
 
    * format 1 - (deprecated) Use the original format for a new rbd image. This
      format is understood by all versions of librbd and the kernel rbd module,