qcow2: Keep option in qcow2_invalidate_cache()
Instead of manually building a list of all options from BDRVQcowState values just reuse the options that were used to open the image. qcow2_open() won't fully use all of the options in the QDict, but that's okay. This fixes all of the driver-specific options in qcow2, except for lazy-refcounts, which was special cased before. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -1178,11 +1178,8 @@ static void qcow2_invalidate_cache(BlockDriverState *bs)
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bdrv_invalidate_cache(bs->file);
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options = qdict_new();
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qdict_put(options, QCOW2_OPT_LAZY_REFCOUNTS,
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qbool_from_int(s->use_lazy_refcounts));
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memset(s, 0, sizeof(BDRVQcowState));
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options = qdict_clone_shallow(bs->options);
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qcow2_open(bs, options, flags, NULL);
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QDECREF(options);
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