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qcow: bugfix: do not write v3 items to qcow header
Fixes: 3f02ccaa8
Signed-off-by: Yu Li <liyu.yukiteru@bytedance.com>
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741d640330
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ffe78c98fd
@ -324,11 +324,14 @@ impl QcowHeader {
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write_u32_to_file(file, self.refcount_table_clusters)?;
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write_u32_to_file(file, self.refcount_table_clusters)?;
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write_u32_to_file(file, self.nb_snapshots)?;
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write_u32_to_file(file, self.nb_snapshots)?;
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write_u64_to_file(file, self.snapshots_offset)?;
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write_u64_to_file(file, self.snapshots_offset)?;
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write_u64_to_file(file, self.incompatible_features)?;
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write_u64_to_file(file, self.compatible_features)?;
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if self.version == 3 {
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write_u64_to_file(file, self.autoclear_features)?;
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write_u64_to_file(file, self.incompatible_features)?;
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write_u32_to_file(file, self.refcount_order)?;
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write_u64_to_file(file, self.compatible_features)?;
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write_u32_to_file(file, self.header_size)?;
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write_u64_to_file(file, self.autoclear_features)?;
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write_u32_to_file(file, self.refcount_order)?;
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write_u32_to_file(file, self.header_size)?;
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}
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// Set the file length by seeking and writing a zero to the last byte. This avoids needing
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// Set the file length by seeking and writing a zero to the last byte. This avoids needing
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// a `File` instead of anything that implements seek as the `file` argument.
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// a `File` instead of anything that implements seek as the `file` argument.
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