Move c_src dirs back to toplevel

[bcachefs-tools-debian] / c_src / include / linux / bitmap.h

diff --git a/c_src/include/linux/bitmap.h b/c_src/include/linux/bitmap.h
deleted file mode 100644 (file)
index db2dfdb..0000000
--- a/c_src/include/linux/bitmap.h
+++ /dev/null
@@ -1,146 +0,0 @@
-#ifndef _PERF_BITOPS_H
-#define _PERF_BITOPS_H
-
-#include <string.h>
-#include <linux/bitops.h>
-#include <stdlib.h>
-
-#define DECLARE_BITMAP(name,bits) \
-       unsigned long name[BITS_TO_LONGS(bits)]
-
-void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
-                const unsigned long *bitmap2, int bits);
-
-#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
-
-#define BITMAP_LAST_WORD_MASK(nbits)                                   \
-(                                                                      \
-       ((nbits) % BITS_PER_LONG) ?                                     \
-               (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL               \
-)
-
-#define small_const_nbits(nbits) \
-       (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
-
-static inline int __bitmap_weight(const unsigned long *bitmap, int bits)
-{
-       int k, w = 0, lim = bits/BITS_PER_LONG;
-
-       for (k = 0; k < lim; k++)
-               w += hweight_long(bitmap[k]);
-
-       if (bits % BITS_PER_LONG)
-               w += hweight_long(bitmap[k] & BITMAP_LAST_WORD_MASK(bits));
-
-       return w;
-} 
-
-static inline int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
-                const unsigned long *bitmap2, unsigned int bits)
-{
-       unsigned int k;
-       unsigned int lim = bits/BITS_PER_LONG;
-       unsigned long result = 0;
-
-       for (k = 0; k < lim; k++)
-               result |= (dst[k] = bitmap1[k] & bitmap2[k]);
-       if (bits % BITS_PER_LONG)
-               result |= (dst[k] = bitmap1[k] & bitmap2[k] &
-                          BITMAP_LAST_WORD_MASK(bits));
-       return result != 0;
-}
-
-static inline void bitmap_complement(unsigned long *dst, const unsigned long *src,
-                                    unsigned int bits)
-{
-       unsigned int k, lim = bits/BITS_PER_LONG;
-       for (k = 0; k < lim; ++k)
-               dst[k] = ~src[k];
-
-       if (bits % BITS_PER_LONG)
-               dst[k] = ~src[k];
-}
-
-static inline void bitmap_zero(unsigned long *dst, int nbits)
-{
-       memset(dst, 0, BITS_TO_LONGS(nbits) * sizeof(unsigned long));
-}
-
-static inline int bitmap_weight(const unsigned long *src, int nbits)
-{
-       if (small_const_nbits(nbits))
-               return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits));
-       return __bitmap_weight(src, nbits);
-}
-
-static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
-                            const unsigned long *src2, int nbits)
-{
-       if (small_const_nbits(nbits))
-               *dst = *src1 | *src2;
-       else
-               __bitmap_or(dst, src1, src2, nbits);
-}
-
-static inline unsigned long *bitmap_alloc(int nbits)
-{
-       return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long));
-}
-
-static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
-                            const unsigned long *src2, unsigned int nbits)
-{
-       if (small_const_nbits(nbits))
-               return (*dst = *src1 & *src2 & BITMAP_LAST_WORD_MASK(nbits)) != 0;
-       return __bitmap_and(dst, src1, src2, nbits);
-}
-
-static inline unsigned long _find_next_bit(const unsigned long *addr,
-               unsigned long nbits, unsigned long start, unsigned long invert)
-{
-       unsigned long tmp;
-
-       if (!nbits || start >= nbits)
-               return nbits;
-
-       tmp = addr[start / BITS_PER_LONG] ^ invert;
-
-       /* Handle 1st word. */
-       tmp &= BITMAP_FIRST_WORD_MASK(start);
-       start = round_down(start, BITS_PER_LONG);
-
-       while (!tmp) {
-               start += BITS_PER_LONG;
-               if (start >= nbits)
-                       return nbits;
-
-               tmp = addr[start / BITS_PER_LONG] ^ invert;
-       }
-
-       return min(start + __ffs(tmp), nbits);
-}
-
-static inline unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
-                           unsigned long offset)
-{
-       return _find_next_bit(addr, size, offset, 0UL);
-}
-
-static inline unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
-                                unsigned long offset)
-{
-       return _find_next_bit(addr, size, offset, ~0UL);
-}
-
-#define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
-#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
-
-static inline bool bitmap_empty(const unsigned long *src, unsigned nbits)
-{
-       if (small_const_nbits(nbits))
-               return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
-
-       return find_first_bit(src, nbits) == nbits;
-}
-
-#endif /* _PERF_BITOPS_H */