misc/e2freefrag.h

   1 #include <sys/types.h>
   2
   3 #define DEFAULT_CHUNKSIZE (1024*1024)
   4
   5 #define MAX_HIST        32
   6 struct free_chunk_histogram {
   7         unsigned long fc_chunks[MAX_HIST];
   8         unsigned long fc_blocks[MAX_HIST];
   9 };
  10
  11 struct chunk_info {
  12         unsigned long chunkbytes;       /* chunk size in bytes */
  13         int chunkbits;                  /* chunk size in bits */
  14         unsigned long free_chunks;      /* total free chunks of given size */
  15         unsigned long real_free_chunks; /* free chunks of any size */
  16         int blocksize_bits;             /* fs blocksize in bits */
  17         int blks_in_chunk;              /* number of blocks in a chunk */
  18         unsigned long min, max, avg;    /* chunk size stats */
  19         struct free_chunk_histogram histogram; /* histogram of all chunk sizes*/
  20 };