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authorAnton Altaparmakov <aia21@cantab.net>2005-10-31 10:06:46 +0000
committerAnton Altaparmakov <aia21@cantab.net>2005-10-31 10:06:46 +0000
commit1f04c0a24b2f3cfe89c802a24396263623e3512d (patch)
treed7e2216b6e65b833c0c2b79b478d13ce17dbf296 /include/linux/bitmap.h
parent07b188ab773e183871e57b33ae37bf635c9f12ba (diff)
parente2f2e58e7968f8446b1078a20a18bf8ea12b4fbc (diff)
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'include/linux/bitmap.h')
-rw-r--r--include/linux/bitmap.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 86dd5502b05c..7d8ff97b3e92 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -40,6 +40,8 @@
* bitmap_weight(src, nbits) Hamming Weight: number set bits
* bitmap_shift_right(dst, src, n, nbits) *dst = *src >> n
* bitmap_shift_left(dst, src, n, nbits) *dst = *src << n
+ * bitmap_remap(dst, src, old, new, nbits) *dst = map(old, new)(src)
+ * bitmap_bitremap(oldbit, old, new, nbits) newbit = map(old, new)(oldbit)
* bitmap_scnprintf(buf, len, src, nbits) Print bitmap src to buf
* bitmap_parse(ubuf, ulen, dst, nbits) Parse bitmap dst from user buf
* bitmap_scnlistprintf(buf, len, src, nbits) Print bitmap src as list to buf
@@ -104,6 +106,10 @@ extern int bitmap_scnlistprintf(char *buf, unsigned int len,
const unsigned long *src, int nbits);
extern int bitmap_parselist(const char *buf, unsigned long *maskp,
int nmaskbits);
+extern void bitmap_remap(unsigned long *dst, const unsigned long *src,
+ const unsigned long *old, const unsigned long *new, int bits);
+extern int bitmap_bitremap(int oldbit,
+ const unsigned long *old, const unsigned long *new, int bits);
extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);