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 ext3_count_free(struct buffer_head * map,unsigned int numchars)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