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block/throttle: Remove protocol-related fields 

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 <farosas@linux.vnet.ibm.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fabiano Rosas 2018-03-12 19:07:51 -03:00 committed by Kevin Wolf
parent 65d2c3e2f6
commit a7328ba55f
1 changed files with 1 additions and 2 deletions
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3
block/throttle.c
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@ -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,