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