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From 19d61962acdb3afa377631dc2d6658e8e73ac9ac Mon Sep 17 00:00:00 2001
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From: Nir Soffer <nirsof@gmail.com>
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Date: Mon, 25 Jun 2018 20:56:52 +0300
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Subject: [PATCH] v2v: rhv-upload-plugin: Fix name error
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"http" and "transfer" variables were missing in emulate_zero, so the
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code would fail with NameError. This can happen only when communicating
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with old imageio versions not supporting the "zero" feature.
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Testing with qemu-img 2.12 show that we never send emulated zero request
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because of the highestwrite mechanism, but it can break with older
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qemu-img-rhev used on RHEL.
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(cherry picked from commit 0ae61ce99c351f9cda598016fb55ccc50313df67)
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---
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v2v/rhv-upload-plugin.py | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/v2v/rhv-upload-plugin.py b/v2v/rhv-upload-plugin.py
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index 2eec375f7..10887c031 100644
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--- a/v2v/rhv-upload-plugin.py
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+++ b/v2v/rhv-upload-plugin.py
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@@ -338,6 +338,9 @@ def zero(h, count, offset, may_trim):
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r.read()
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def emulate_zero(h, count, offset):
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+ http = h['http']
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+ transfer = h['transfer']
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+
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# qemu-img convert starts by trying to zero/trim the whole device.
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# Since we've just created a new disk it's safe to ignore these
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# requests as long as they are smaller than the highest write seen.
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--
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2.17.1
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