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Re: [Qemu-devel] [PATCH 1/5] block: Add BDS.never_freeze
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From: |
Alberto Garcia |
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Subject: |
Re: [Qemu-devel] [PATCH 1/5] block: Add BDS.never_freeze |
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Date: |
Tue, 02 Jul 2019 16:02:39 +0200 |
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User-agent: |
Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu) |
On Fri 28 Jun 2019 12:32:51 AM CEST, Max Reitz wrote:
> @@ -4416,6 +4416,14 @@ int bdrv_freeze_backing_chain(BlockDriverState *bs,
> BlockDriverState *base,
> return -EPERM;
> }
>
> + for (i = bs; i != base; i = backing_bs(i)) {
> + if (i->backing && backing_bs(i)->never_freeze) {
> + error_setg(errp, "Cannot freeze '%s' link to '%s'",
> + i->backing->name, backing_bs(i)->node_name);
> + return -EPERM;
> + }
> + }
How about adding this to bdrv_is_backing_chain_frozen() instead?
Berto