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From: | Markus Armbruster |
Subject: | Re: [Qemu-devel] [PATCH v7 08/10] block: Add checks of blocker in block operations |
Date: | Thu, 12 Dec 2013 14:56:04 +0100 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux) |
Fam Zheng <address@hidden> writes: > Before operate on a BlockDriverState, respective types are checked > against bs->op_blockers and it will error out if there's a blocker. > > Signed-off-by: Fam Zheng <address@hidden> So this patch adds protection against "two of the same kind simultaneously". How could we check it's complete? Have we pondered the more general problem of which "operations" (whatever that is) exclude each other? [...]
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