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#include <sys/types.h>
#define DEFAULT_CHUNKSIZE (1024*1024)
#define MAX_HIST 32
struct free_chunk_histogram {
unsigned long fc_chunks[MAX_HIST];
unsigned long fc_blocks[MAX_HIST];
};
struct chunk_info {
unsigned long chunkbytes; /* chunk size in bytes */
int chunkbits; /* chunk size in bits */
unsigned long free_chunks; /* total free chunks of given size */
unsigned long real_free_chunks; /* free chunks of any size */
int blocksize_bits; /* fs blocksize in bits */
int blks_in_chunk; /* number of blocks in a chunk */
unsigned long min, max, avg; /* chunk size stats */
struct free_chunk_histogram histogram; /* histogram of all chunk sizes*/
};
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