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From: | Max Reitz |
Subject: | Re: [Qemu-devel] [PATCH 0/2] qcow2: Respect new_block in alloc_refcount_block() |
Date: | Tue, 10 Feb 2015 17:21:15 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 |
On 2015-02-10 at 17:19, Eric Blake wrote:
On 02/10/2015 01:02 PM, Max Reitz wrote:Under certain circumstances, making the refcount table grow can result in leaking clusters. The first patch fixes at least some of those circumstances (maybe there are more, but these are the ones I am aware of), and the second patch adds a test case. Max Reitz (2): qcow2: Respect new_block in alloc_refcount_block() iotests: Add tests for refcount table growthSeries: Reviewed-by: Eric Blake <address@hidden> How'd you find the leak?
Test 015 failed with refcount_bits=32 and refcount_bits=64 after my refcount_order series; but strangely only if the recent qcow2 cache patch (http://lists.nongnu.org/archive/html/qemu-devel/2015-02/msg00786.html) was applied before.
Max
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