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Re: [Qemu-devel] [PATCH] qmp: Deprecate query-nodes option of query-bloc

From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH] qmp: Deprecate query-nodes option of query-blockstats
Date: Mon, 28 Jan 2019 16:37:50 +0100
User-agent: Mutt/1.10.1 (2018-07-13)

Am 28.01.2019 um 16:15 hat Anton Kuchin geschrieben:
> This option is broken since a6baa60807 in v2.9 and returns mostly
> zeroes instead of real stats because actual querring of BlockStats
> that resides in blk is missing.
> And it makes no sense because with this option BlockDriverState-s
> are iterated but BlockAcctStats belong to BlockBackend and not BDS
> since 7f0e9da6f13 in v2.5
> Signed-off-by: Anton Kuchin <address@hidden>

Isn't query-nodes the only way to get wr_highest_offset for the protocol
layer? oVirt depends on this, as far as I know.


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