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[PATCH] qapi/block-core.json: Remove stale description of 'blockdev-add'

From: Kashyap Chamarthy
Subject: [PATCH] qapi/block-core.json: Remove stale description of 'blockdev-add'
Date: Tue, 28 Jul 2020 16:32:02 +0200

On a 'qemu-discuss' thread[1], Kevin identifies that the current doc
blurb for @blockdev-add is stale:

    This is actually a documentation bug. @id doesn't exist,
    blockdev-add never creates a BlockBackend. This was different in the
    very first versions of the patches to add blockdev-add and we
    probably just forgot to update the documentation after removing it.

So remove the stale bits.

And the requirement for 'node-name' is already mentioned in the
documentation of @BlockdevOptions:

    # @node-name: the node name of the new node (Since 2.0).
    #             This option is required on the top level of blockdev-add.
    #             Valid node names start with an alphabetic character and may
    #             contain only alphanumeric characters, '-', '.' and '_'. Their
    #             maximum length is 31 characters.

[1] https://lists.nongnu.org/archive/html/qemu-discuss/2020-07/msg00071.html
    -- equivalent to "-drive if=ide,id=disk0....."

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Identified-by: Kevin Wolf <kwolf@redhat.com>
 qapi/block-core.json | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/qapi/block-core.json b/qapi/block-core.json
index 463ffd83da..3575d73ebf 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -4049,9 +4049,7 @@
 # @blockdev-add:
-# Creates a new block device. If the @id option is given at the top level, a
-# BlockBackend will be created; otherwise, @node-name is mandatory at the top
-# level and no BlockBackend will be created.
+# Creates a new block device.
 # Since: 2.9

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