fs/ext3/bitmap.c

   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
  14 unsigned 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