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Paolo Bonzini authored
If a BlockDriverState is growable, after every write we need to check if bs->total_sectors might have changed. With this change, bdrv_getlength does not need anymore a system call. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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