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block: Accept device model name for block_set_io_throttle

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In order to remove the need for BlockBackend names in the external API,
we want to allow qdev device names in all device related commands.

This converts block_set_io_throttle to accept a qdev device name.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2016-09-20 13:38:48 +02:00
parent 70e2cb3bd7
commit 7a9877a026
3 changed files with 16 additions and 10 deletions
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12
blockdev.c
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@ -2647,10 +2647,10 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
BlockBackend *blk;
AioContext *aio_context;
blk = blk_by_name(arg->device);
blk = qmp_get_blk(arg->has_device ? arg->device : NULL,
arg->has_id ? arg->id : NULL,
errp);
if (!blk) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", arg->device);
return;
}
@ -2659,7 +2659,7 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
bs = blk_bs(blk);
if (!bs) {
error_setg(errp, "Device '%s' has no medium", arg->device);
error_setg(errp, "Device has no medium");
goto out;
}
@ -2723,7 +2723,9 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
* just update the throttling group. */
if (!blk_get_public(blk)->throttle_state) {
blk_io_limits_enable(blk,
arg->has_group ? arg->group : arg->device);
arg->has_group ? arg->group :
arg->has_device ? arg->device :
arg->id);
} else if (arg->has_group) {
blk_io_limits_update_group(blk, arg->group);
}