linux/fs/ext3/bitmap.c
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   1/*
   2 *  linux/fs/ext3/bitmap.c
   3 *
   4 * Copyright (C) 1992, 1993, 1994, 1995
   5 * Remy Card (card@masi.ibp.fr)
   6 * Laboratoire MASI - Institut Blaise Pascal
   7 * Universite Pierre et Marie Curie (Paris VI)
   8 */
   9
  10#include "ext3.h"
  11
  12#ifdef EXT3FS_DEBUG
  13
  14unsigned long ext3_count_free (struct buffer_head * map, unsigned int numchars)
  15{
  16        return numchars * BITS_PER_BYTE - memweight(map->b_data, numchars);
  17}
  18
  19#endif  /*  EXT3FS_DEBUG  */
  20
  21
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