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Fix bz#960284: thin_dump and other persistent-data tools may perform IO to misaligned buffers (on 4K hard sectored evices)

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Heinz Mauelshagen 2013-10-30 14:12:41 +01:00
parent 175e7264e9
commit d2b30b0eac
1 changed files with 1 additions and 1 deletions
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persistent-data/buffer.h
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@ -41,7 +41,7 @@ namespace persistent_data {
// guarantees. // guarantees.
// //
// Alignment must be a power of two. // Alignment must be a power of two.
template <uint32_t Size = DEFAULT_BUFFER_SIZE, uint32_t Alignment = 512> template <uint32_t Size = DEFAULT_BUFFER_SIZE, uint32_t Alignment = 4096>
class buffer : private boost::noncopyable { class buffer : private boost::noncopyable {
public: public:
BOOST_STATIC_ASSERT((Alignment > 1) & !(Alignment & (Alignment - 1))); BOOST_STATIC_ASSERT((Alignment > 1) & !(Alignment & (Alignment - 1)));