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[Qemu-block] [PULL 04/19] block/throttle: Remove protocol-related fields

From: Kevin Wolf
Subject: [Qemu-block] [PULL 04/19] block/throttle: Remove protocol-related fields
Date: Mon, 26 Mar 2018 16:35:45 +0200

From: Fabiano Rosas <address@hidden>

The throttle driver is not a protocol so it should implement bdrv_open
instead of bdrv_file_open and not provide a protocol_name.

Attempts to invoke this driver using protocol syntax
(i.e. throttle:<filename:options:...>) will now fail gracefully:

  $ qemu-img info throttle:foo
  qemu-img: Could not open 'throttle:foo': Unknown protocol 'throttle'

Signed-off-by: Fabiano Rosas <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: Alberto Garcia <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
 block/throttle.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/throttle.c b/block/throttle.c
index 5f4d43d0fc..95ed06acd8 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -215,10 +215,9 @@ static void coroutine_fn 
throttle_co_drain_end(BlockDriverState *bs)
 static BlockDriver bdrv_throttle = {
     .format_name                        =   "throttle",
-    .protocol_name                      =   "throttle",
     .instance_size                      =   sizeof(ThrottleGroupMember),
-    .bdrv_file_open                     =   throttle_open,
+    .bdrv_open                          =   throttle_open,
     .bdrv_close                         =   throttle_close,
     .bdrv_co_flush                      =   throttle_co_flush,

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