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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 08:57:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 09:01:08 +0200
commita22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4 (patch)
tree61a2eb7fa62f5af10c2b913ca429e6b068b0eb2d /fs/ext3/bitmap.c
parent20d5a540e55a29daeef12706f9ee73baf5641c16 (diff)
parentd9875690d9b89a866022ff49e3fcea892345ad92 (diff)
Merge tag 'v3.6-rc2' into drm-intel-next
Backmerge Linux 3.6-rc2 to resolve a few funny conflicts before we put even more madness on top: - drivers/gpu/drm/i915/i915_irq.c: Just a spurious WARN removed in -fixes, that has been changed in a variable-rename in -next, too. - drivers/gpu/drm/i915/intel_ringbuffer.c: -next remove scratch_addr (since all their users have been extracted in another fucntion), -fixes added another user for a hw workaroudn. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'fs/ext3/bitmap.c')
-rw-r--r--fs/ext3/bitmap.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/fs/ext3/bitmap.c b/fs/ext3/bitmap.c
index 909d13e26560..ef9c643e8e9d 100644
--- a/fs/ext3/bitmap.c
+++ b/fs/ext3/bitmap.c
@@ -11,19 +11,9 @@
#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);
+ return numchars * BITS_PER_BYTE - memweight(map->b_data, numchars);
}
#endif /* EXT3FS_DEBUG */