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Re: [Qemu-block] [PATCH v15 21/25] qcow2-bitmap: refcounts

From: Vladimir Sementsov-Ogievskiy
Subject: Re: [Qemu-block] [PATCH v15 21/25] qcow2-bitmap: refcounts
Date: Sat, 25 Feb 2017 19:10:11 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1

16.02.2017 17:27, Kevin Wolf wrote:
Am 15.02.2017 um 11:10 hat Vladimir Sementsov-Ogievskiy geschrieben:
Calculate refcounts for qcow2 bitmaps. It is needed for qcow2's qemu-img
check implementation.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: John Snow <address@hidden>
Maybe this should come earlier in the series so that qemu-img check
doesn't corrupt them. Basically it's needed as soon as we add the
autoclear flag as supported.

so, it should be merged into 07

Anyway, the actual point I was going to make is that it would be good to
have a qemu-iotests case which actually invokes qemu-img check on an
image with dirty bitmaps. In general, the test case side of the series
seems to be rather weak so far. Just keep in mind that I won't feel bad
for breaking anything that isn't tested by a test case. So if you like
to keep persistent bitmaps working in the long run, you'd better write
tests and give me no chance to break anything without them failing.


Best regards,

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