Revision cde44d1740bcb3dcfecbf792a71826431e61686e authored by Len Brown on 25 December 2010, 02:43:16 UTC, committed by Len Brown on 25 December 2010, 02:43:16 UTC
This reverts commit 3138b32d5e0998ba3cbd1c74bdc1887d74c5279b. as it caused a crash upon battery removal: https://bugzilla.kernel.org/show_bug.cgi?id=25302 Signed-off-by: Len Brown <len.brown@intel.com>
1 parent 3138b32
bitmap.c
/*
* linux/fs/ext3/bitmap.c
*
* Copyright (C) 1992, 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
* Laboratoire MASI - Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*/
#include <linux/buffer_head.h>
#include <linux/jbd.h>
#include <linux/ext3_fs.h>
#ifdef EXT3FS_DEBUG
static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0};
unsigned long ext3_count_free (struct buffer_head * map, unsigned int numchars)
{
unsigned int i;
unsigned long sum = 0;
if (!map)
return (0);
for (i = 0; i < numchars; i++)
sum += nibblemap[map->b_data[i] & 0xf] +
nibblemap[(map->b_data[i] >> 4) & 0xf];
return (sum);
}
#endif /* EXT3FS_DEBUG */
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