thin-provisioning-tools/caching/mapping_array.h

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2013-09-12 17:03:32 +05:30
#ifndef CACHE_MAPPING_ARRAY_H
#define CACHE_MAPPING_ARRAY_H
#include "persistent-data/data-structures/array.h"
//----------------------------------------------------------------
namespace caching {
namespace mapping_array_detail {
enum mapping_flags {
M_VALID = 1,
M_DIRTY = 2
};
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struct mapping {
uint64_t oblock_;
uint32_t flags_;
};
struct mapping_traits {
typedef base::le64 disk_type;
typedef mapping value_type;
typedef no_op_ref_counter<value_type> ref_counter;
static void unpack(disk_type const &disk, value_type &value);
static void pack(value_type const &value, disk_type &disk);
};
// FIXME: damage visitor stuff
}
typedef persistent_data::array<mapping_array_detail::mapping_traits> mapping_array;
}
//----------------------------------------------------------------
#endif